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IgGs

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Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-P990110

*Lecanemab (Mouse IGG2a)* 1 Publications Verification Mab158	Amyloid-β	Neurological Disease
Lecanemab (Mouse IGG2a) (Mab158) is a monoclonal antibody that targets soluble β-amyloid and has the potential to reduce cognitive decline. The variable region of Lecanemab (Mouse IGG2a) is consistent with that of Lecanemab, while the constant region is of Mouse IGG2a sequence. Lecanemab (Mouse IGG2a) almost abolishes Aβ accumulation in astrocytes and rescues neurons from Aβ-induced cell death. Lecanemab (Mouse IGG2a) holds promise for research in the field of Alzheimer's disease .

HY-P99037

Nipocalimab 3 Publications Verification M281	Fc Receptor (FcR)	Inflammation/Immunology
Nipocalimab (M281) is a fully humanized, recombinant, and non-glycosylated IgG1 monoclonal antibody. Nipocalimab can bind to the IgG-binding site of FcRn with high affinity and inhibit the transplacental transfer of IgG. Nipocalimab can be used in the research of fetal and neonatal hemolytic disease, myasthenia gravis, and various IgG-mediated autoimmune diseases .

HY-164153

*ADC Control Human IgG1-vcMMAE (solution)*	Antibody-Drug Conjugates (ADCs) Microtubule/Tubulin	Cancer
ADC Control Human IgG1-vcMMAE (solution) is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-vcMMAE and can inhibit tubulin polymerization. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is vcMMAE (HY-15575) .

HY-164152A

*ADC Control Human IgG1-Deruxtecan (DAR 8)*	Antibody-Drug Conjugates (ADCs) Topoisomerase	Cancer
ADC Control Human IgG1-Deruxtecan (DAR 8) is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-Deruxtecan and can inhibit DNA topoisomerase I. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is Deruxtecan (HY-13631E) .

HY-164152

*ADC Control Human IgG1-Deruxtecan (DAR 4)*	Antibody-Drug Conjugates (ADCs) Topoisomerase	Cancer
ADC Control Human IgG1-Deruxtecan (DAR 4) is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-Deruxtecan and can inhibit DNA topoisomerase I. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is Deruxtecan (HY-13631E) .

HY-P99009

Batoclimab RVT-1401; HBM9161; IMVT-1401	Fc Receptor (FcR)	Inflammation/Immunology
Batoclimab (RVT-1401) is a fully humanized IgG1 monoclonal antibody targeting FcRn. Batoclimab has high affinity for the *IgG*-binding site on FcRn. By competitively binding to the *IgG* binding site on FcRn, Batoclimab blocks FcRn-mediated recycling of *IgG, resulting in enhanced degradation and subsequent reductions in IgG* levels. Batoclimab can be used in the research of autoimmune diseases such as myasthenia gravis and thyroid eye disease .

HY-P9979

Rozanolixizumab 1 Publications Verification UCB7665	TNF Receptor	Inflammation/Immunology
Rozanolixizumab (UCB7665), a humanized high-affinity anti-human neonatal Fc receptor (FcRn) monoclonal antibody (IgG4P), is used to the research of reducing pathogenic IgG in autoimmune and alloimmune diseases .

HY-P991045

*Donanemab (Mouse IgG2a)* 1 Publications Verification mE8‑IgG2a	Amyloid-β	Neurological Disease
Donanemab (Mouse IgG2a) (mE8-IgG2a) is a mouse-derived IgG2 monoclonal antibody used in the research of Alzheimer's disease.

HY-P99979

*Rat IgG1 kappa, Isotype Control* 2 Publications Verification	Fc Receptor (FcR)	Inflammation/Immunology
Rat IgG1 kappa, Isotype Control, a rat monoclonal antibody, is an isotype control for Rat IgG1κ antibody.

HY-E70068

Endo-β-N-acetylglucosaminidase (Endo S)	Others	Others
Endo-β-N-acetylglucosaminidase (Endo S) is a family 18 glycosyl hydrolase secreted by Streptococcus pyogenes. Endo-β-N-acetylglucosaminidase (Endo S) exclusively hydrolyzes the β-1,4-di-N-acetylchitobiose core of the asparagine-linked complex-type glycan on Asn-297 of the γ-chains of IgG antibody .

HY-P1291

PKI 14-22 amide,myristoylated 3 Publications Verification	PKA Epigenetic Reader Domain Flavivirus	Infection Neurological Disease
PKI 14-22 amide, myristoylated is a selective, cAMP-dependent, competitive PKA inhibitor with K_i=~36 nM. The myristoylation modification of PKI 14-22 amide, myristoylated makes it more permeable to cell membranes and blood-brain barriers than the precursor molecule. PKI 14-22 amide, myristoylated can block the phosphorylation of cAMP-dependent downstream targets (such as CREB). PKI 14-22 amide, myristoylated can prevent the development of morphine analgesic tolerance in mice, and also inhibits protein translation and negative-strand RNA synthesis of Zika virus. PKI 14-22 amide, myristoylated can be used in research fields such as opioid tolerance mechanisms and antiviral drugs .

HY-P99936

Elgemtumab LJM716	EGFR	Cancer
Elgemtumab(LJM716) is a fully human IgG monoclonal antibody. Elgemtumab can specifically bind to HER3, block ligand-dependent and independent HER3 signal transduction and cell proliferation, and has good anti-tumor potential .

HY-P990070

Zigakibart BION-1301	TNF Receptor
Zigakibart (BION-1301) is an IgG4-kappa, humanized monoclonal antibody against TNFSF13 (tumor necrosis factor (TNF) superfamily member 13, APRIL, CD256). Zigakibart exhibits anti-inflammatory activity .

HY-P99446

Atacicept TACI-Ig; TACI-Fc 5	TNF Receptor	Inflammation/Immunology
Atacicept (TACI-Ig) is a is a recombinant fusion protein containing the extracellular, ligand-binding portion of the TACI receptor and the Fc portion of human IgG. Atacicept inhibits B cell stimulation by binding to B lymphocyte stimulator and a proliferation-inducing ligand. Atacicept can be used in research of B-cell autoimmune disease .

HY-P99430

Alnuctamab EM901; CC-93269	CD3	Inflammation/Immunology Cancer
Alnuctamab (EM901) is a bispecific T-cell engager targeting BCMA and CD3, belonging to an asymmetric two-armed humanized IgG1 antibody. Alnuctamab can simultaneously bind to BCMA expressed on the surface of myeloma cells and CD3 molecules on the surface of T cells, recruiting T cells to kill tumors. Alnuctamab is used for the research of multiple myeloma. Recommend Isotype Controls: Human IgG1 kappa, Isotype Control (HY-P99001) .

HY-W094510

Sodium pyrophosphate decahydrate	Biochemical Assay Reagents	Inflammation/Immunology
Sodium pyrophosphate decahydrate is a phosphate donor and mild chelating agent. Sodium pyrophosphate decahydrate serves as a phosphate source for Pseudomonas aeruginosa acid phosphatase and its Q6 variant, enabling phosphorylation of L‑ascorbic acid to L‑ascorbate‑2‑phosphate. Sodium pyrophosphate decahydrate facilitates ^99mTc labeling of human polyclonal IgG. Sodium pyrophosphate decahydrate can be used in research on musculoskeletal infections .

HY-P990109

*Aducanumab (Mouse IGG2a)*	Amyloid-β	Neurological Disease
Aducanumab (Mouse IGG2a) is a monoclonal antibody that selectively targets aggregated amyloid-beta (Aβ). The variable region of Aducanumab (Mouse IGG2a) is consistent with that of Aducanumab (HY-P9967), while the constant region is of Mouse IGG2a sequence. Aducanumab (Mouse IGG2a) has strong selectivity for Aβ fibrils with EC₅₀s of >1 μM and 0.2 nM for monomeric Aβ_1-40 and fibrillar Aβ_1-42, respectively. Aducanumab (Mouse IGG2a) can be used for Alzheimer's disease (AD) research .

HY-NP0149

Sambucus Nigra Lectin (Biotinylated) SNA (Biotinylated)	Biochemical Assay Reagents	Others
Sambucus Nigra Lectin (SNA) (Biotinylated) is a terminal sialic acid (SA) residue-binding lectin with biotinylation modification. Sambucus Nigra Lectin (Biotinylated) binds specifically to terminal sialic acid residues on captured IgG and its subclasses .

HY-P99155

Zalutumumab 2F8; HUMAX-EGFR	EGFR	Cancer
Zalutumumab is a high affinity, completely human IgG1 monoclonal antibody targeting EGFR. Zalutumumab binds to domain III of the EGF receptor and acts by blocking the binding of EGF and by sterically interfering with the active conformation of the receptor. Zalutumumab binds with IgG and its Fab fragment with EC₅₀s of 7 and 19 nM, respectively. Zalutumumab can be used for the research of cancer .

HY-D2769

Oregon green 488 azide Difluorocarboxyfluorescein azide, 6-isomer	Fluorescent Dye	Others
Oregon green 488 azide (Difluorocarboxyfluorescein azide, 6-isomer) is a bright green fluorescent azide-activated probe that reacts with terminal alkynes via copper-catalyzed azide-alkyne cycloaddition (CuAAC). Oregon green 488 azide can label goat anti-mouse IgG and exhibits excellent luminescence efficiency. Oregon green 488 azide, as a streptavidin conjugate, is used for flow cytometry staining of macrophages .

HY-164668

*ADC Control Human IgG1-SN-38*	Antibody-Drug Conjugates (ADCs)	Cancer
ADC Control Human IgG1-SN-38 is an isotype control of ADC Human IgG1-SN-38. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is CL2A-SN-38 (HY-128946).

HY-P991736

*Anti-IL11 Antibody (X203, Mouse IgG)*	Interleukin Related	Inflammation/Immunology
Anti-IL11 Antibody (X203, Mouse IgG) is a chimeric antibody composed of humanized variable regions and a mouse IgG backbone. Anti-IL11 Antibody (X203, Mouse IgG) is a mouse-derived IgG antibody inhibitor, targeting to human IL-11.

HY-P99529

Valziflocept BAX1810; TAK-752; SM101	Fc Receptor (FcR)	Inflammation/Immunology
Valziflocept (BAX1810; TAK-752) is a recombinant soluble human FcγRIIb receptor that targets Fc and FcγR. FcγRs bind to and neutralize pathogenic IgG, thereby acting as a "decoy" or "scavenger" receptor that reduces the severity of autoimmune diseases. Valziflocept is used in research on autoimmune diseases such as systemic lupus erythematosus (SLE) .

HY-N11630

Pinellic acid	Influenza Virus Biochemical Assay Reagents	Infection
Pinellic acid is an orally active adjuvant for intranasal influenza vaccines. Pinellic acid can be extracted from the tubers of Pinellia ternata Breitenbach. When administered intranasally in combination with influenza HA vaccine, Pinellic acid slightly increases the titers of antiviral IgG antibodies in bronchoalveolar lavage fluid and serum. Pinellic acid shows no hemolytic activity. Pinellic acid can be used in studies related to influenza virus infection .

HY-P1291A

PKI 14-22 amide,myristoylated TFA 3 Publications Verification	PKA Epigenetic Reader Domain Flavivirus	Infection Neurological Disease
PKI 14-22 amide, myristoylated TFA is a selective, cAMP-dependent, competitive PKA inhibitor with K_i=~36 nM. The myristoylation modification of PKI 14-22 amide, myristoylated TFA makes it more permeable to cell membranes and blood-brain barriers than the precursor molecule. PKI 14-22 amide, myristoylated TFA can block the phosphorylation of cAMP-dependent downstream targets (such as CREB). PKI 14-22 amide, myristoylated TFA can prevent the development of analgesic tolerance in mice, and also inhibits protein translation and negative-strand RNA synthesis of Zika virus. PKI 14-22 amide, myristoylated TFA can be used in research fields such as opioid tolerance mechanisms and antiviral drugs .

HY-164154

*ADC Control Human IgG1-vcMMAF*	Antibody-Drug Conjugates (ADCs) Microtubule/Tubulin	Cancer
ADC Control Human IgG1-vcMMAF is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-vcMMAF and can inhibit tubulin polymerization. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is MC-Val-Cit-PAB-MMAF (vcMMAF; HY-112786) .

HY-D0967

Cy5-bifunctional dye	Fluorescent Dye	Others
Cy5-bifunctional dye is a bifunctional dye used for covalent labeling of primary amines on proteins or oligonucleotides (Ex/Em = 649 nm/670 nm). Cy5-bifunctional dye can label recombinant annexin-V to assess phosphatidylserine exposure on the cell surface via flow cytometry. Cy5-bifunctional dye can label anti-human IgG (H + L) secondary antibodies. Cy5-bifunctional dye is applicable to studies of glanders and melioidosis .

HY-P99693

Lenvervimab GC1102	HBV	Infection
Lenvervimab (GC1102) is a IgG1-type recombinant human hepatitis B Immunoglobulin. Lenvervimab can be used for research of hepatitis B virus infection .

HY-P991707

Notiretatug SHR-A2102 antibody	Nectin-4	Cancer
Notiretatug is a humanized IgG1κ antibody targeting Nectin-4. The corresponding isotype control is: Human IgG1 kappa, Isotype Control (HY-P99001) .

HY-P990319

*ALT-100 (Human IgG4)*	NAMPT	Inflammation/Immunology
ALT-100 (Human IgG4) is a humanized antibody expressed in CHO, targeting NAMPT. ALT-100 (Human IgG4) consists of a huIgG1/huIgG4 heavy chain and a huκ light chain, with a predicted molecular weight (MW) of 150 kDa. For inflammatory or fibrotic diseases, the isotype control for ALT-100 (Human IgG4) can refer to Human IgG4 (S228P) kappa, Isotype Control (HY-P99003).

HY-D0054

9-(2-Carboxy-2-cyanovinyl)julolidine	Fluorescent Dye	Inflammation/Immunology
9-(2-Carboxy-2-cyanovinyl)julolidine is a fluorescent molecular rotor. 9-(2-Carboxy-2-cyanovinyl)julolidine can be used to bind to IgG and Fab, and preparing antibodies .

HY-101813

Laflunimus HR325	Dihydroorotate Dehydrogenase DNA/RNA Synthesis Prostaglandin Receptor	Inflammation/Immunology
Laflunimus (HR325) is an immunosuppressive agent and an analogue of the Leflunomide-active metabolite A77 1726. Laflunimus is an orally active inhibitor of dihydroorotate dehydrogenase (DHODH). Laflunimus suppresses immunoglobulin (Ig) secretion, with IC₅₀ values of 2.5 and 2 µM for IgM and IgG, respectively. Laflunimus also is a prostaglandin endoperoxide H synthase (PGHS) -1 and -2 inhibitor .

HY-156905

6-Azido-N-acetylgalactosamine-UDP	Biochemical Assay Reagents	Others
6-Azido-N-acetylgalactosamine-UDP (Compound 5) is a 6-azido-modified nucleotide sugar. It acts as an active sugar donor in lactose glycosylation catalyzed by beta-1,3-N-Acetylhexaminyltransferase (LgtA). Azido-modified nucleotide sugars are strategically used in copper-free click chemistry to modify the N-glycan core structure of IgG .

HY-164669

*ADC Control Human IgG1-DM4*	Antibody-Drug Conjugates (ADCs)	Cancer
ADC Control Human IgG1-DM4 is an isotype control of ADC Human IgG1-DM4. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is SPDB-DM4 (HY-12460).

HY-P99643A

*Ginisortamab (Mouse IgG1)*	Dan family	Cancer
Ginisortamab (Mouse IgG1) is the anti-Gremlin-1 monoclonal antibody with mouse IgG1. Ginisortamab (Mouse IgG1) can be used in research of gastrointestinal (GI) tumors .

HY-P991075

*ALT-100 (Human IgG1)*	NAMPT	Inflammation/Immunology
ALT-100 (Human IgG1) is a humanized IgG1 monoclonal antibody that targets NAMPT. Recommend Isotype Controls: Human IgG1 kappa, Isotype Control (HY-P99001) .

HY-P991046

*Donanemab (Mouse IgG2b)*	Amyloid-β	Neurological Disease
Donanemab (Mouse IgG2b) is a chimeric antibody composed of humanized variable regions and a mouse IgG2b backbone. Donanemab (Mouse IgG2b) is an anti-amyloid inhibitor used in Alzheimer's disease research.

HY-P990734

Coramitug	Transthyretin (TTR)	Inflammation/Immunology
Coramitug is an anti-TTR human IgG1 κ monoclonal antibody . Recommend Isotype Controls: Human IgG1 kappa, Isotype Control (HY-P99001).

HY-136957

Fluorescein-6-isothiocyanate	Fluorescent Dye	Others
Fluorescein-6-isothiocyanate is a fluorescent isomeric haptenic probes with K_ds of 8.74, 2.72 and 1.88 for N-Acetyl-L-Lysine, normal mouse IgG and 4-4-20, respectively .

HY-113512

17-HDHA	Influenza Virus	Inflammation/Immunology
17-HDHA is a DHA-derived specialized proresolving mediator (SPM). 17-HDHA enhances the antibody-mediated immune response against influenza virus. 17-HDHA enhances the differentiation of B cells toward the CD27 ⁺ CD38 ⁺ antibody-secreting cell phenotype, thereby strongly increasing IgM and IgG production by activated B cells .

HY-164954

*ADC Control Human IgG1-McMMAF*	Antibody-Drug Conjugates (ADCs)	Cancer
ADC Control Human IgG1-McMMAF is an antibody-drug conjugate (ADC) composed of the ADC antibody IgG1 Human IgG1 kappa, Isotype Control (HY-P99001) and the payload McMMAF (HY-15578).

HY-150362

*ADC Control Human IgG1-tirumotecan*	Antibody-Drug Conjugates (ADCs)	Cancer
ADC Control Human IgG1-tirumotecan is an antibody-drug conjugate (ADC). The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is TL033 TFA (HY-147340A). ADC Control Human IgG1-tirumotecan can be as a control of Sacituzumab tirumotecan (HY-164789).

HY-159774

*ADC Control human IgG1-DM1*	Antibody-Drug Conjugates (ADCs)	Cancer
ADC Control human IgG1-DM1 is the ADC control, which is composed of Human IgG1 kappa, Isotype Control (HY-P99001) and the linker-payload conjugate SMCC-DM1 (HY-101070) .

HY-P99996

*Human IgG1 (D265A) kappa, Isotype Control*	Fc Receptor (FcR)	Inflammation/Immunology
Human IgG1 (D265A) kappa, Isotype Control, a human-derived antibody, is an isotype control for human IgG1 (D265A)κ antibody.

HY-P990697

Anvatabart ARX-788	EGFR	Inflammation/Immunology
Anvatabart is an anti-ERBB2 human IgG1 κ monoclonal antibody . Recommend Isotype Controls: Human IgG1 kappa, Isotype Control (HY-P99001).

HY-P990818

Anti-Rat FcRn heavy chain heterodimers Antibody (1G3)	Fc Receptor (FcR)	Inflammation/Immunology
Anti-Rat FcRn heavy chain heterodimers Antibody (1G3) is an anti-rat FcRn heavy chain heterodimers IgG1 monoclonal antibody. Anti-Rat FcRn heavy chain heterodimers Antibody (1G3) can effectively bind to FcRn and competitively inhibit the binding of IgG to FcRn. Anti-Rat FcRn heavy chain heterodimers Antibody (1G3) can reduce the total serum IgG level. Anti-Rat FcRn heavy chain heterodimers Antibody (1G3) can be used for researches on autoimmune conditions such as experimental autoimmune myasthenia gravis (EAMG). The recommend isotype control of Anti-Rat FcRn heavy chain heterodimers Antibody (1G3): Mouse IgG1 kappa, Isotype Control (HY-P99977) .

HY-P990797

Anti-Mouse IFN gamma Antibody (R4-6A2)	IFNAR	Infection Inflammation/Immunology
Anti-Mouse IFN gamma Antibody (R4-6A2) is an anti-mouse IFN gamma IgG1 monoclonal antibody. Anti-Mouse IFN gamma Antibody (R4-6A2) can increase the total serum IgG level. Anti-Mouse IFN gamma Antibody (R4-6A2) can be used for researches on immunology and infection conditions such as nymphs infection. The recommend isotype control of Anti-Mouse IFN gamma Antibody (R4-6A2): Rat IgG1 kappa, Isotype Control (HY-P99979) .

HY-N10627

NA2 Glycan	Endogenous Metabolite	Others
NA2 Glycan is NA2 N-linked oligosaccharide. NA2 is the asialo-substructure of A2 glycan. NA2 glycan can be isolated from mammalian serum glycoproteins, such as serum IgG .

HY-P99869

Ebdarokimab	Interleukin Related	Others
Ebdarokimab (AK101) is a humanized IgG1-κ antibody, usually expressed in CHO (Chinese Hamster Ovary) cells .

HY-P99888

Pimurutamab	EGFR	Others
Pimurutamab is a humanized IgG1-κ antibody targeting EGFR. Mainly expressed by CHO-K1 cells .

Cat. No.	Product Name	Type

HY-P99016B

Enfortumab vedotin-ejfv (solution)

1 Publications Verification

Fluorescent Dyes

Enfortumab vedotin-ejfv (solution) is an anti-Nectin-4 antibody-drug conjugate (ADC). Enfortumab vedotin-ejfv (solution) is a fully humanized IgG1 antibody conjugated to the microtubule disrupting agent MMAE (HY-15162) via a protease-cleavable Val-Cit linker. The antibody portion is Enfortumab (HY-P99016), and the drug-linker conjugate for ADC is VcMMAE (HY-15575). Nectin-4 is an adhesion protein involved in cellular processes and tumorigenesis, and Enfortumab vedotin-ejfv (solution) is indicated for the inhibition of locally advanced or metastatic urothelial carcinoma .

HY-P99016A

Enfortumab vedotin-ejfv

1 Publications Verification

Fluorescent Dyes

Enfortumab vedotin-ejfv is an anti-Nectin-4 antibody-drug conjugate. Enfortumab vedotin-ejfv is a fully humanized IgG1 antibody conjugated to the microtubule disrupting agent MMAE (HY-15162) via a protease-cleavable Val-Cit linker. The antibody portion is Enfortumab (HY-P99016), and the drug-linker conjugate for ADC is VcMMAE (HY-15575). Nectin-4 is an adhesion protein involved in cellular processes and tumorigenesis, and Enfortumab vedotin-ejfv is indicated for the inhibition of locally advanced or metastatic urothelial carcinoma .

HY-164153

*ADC Control Human IgG1-vcMMAE (solution)*	Fluorescent Dyes
ADC Control Human IgG1-vcMMAE (solution) is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-vcMMAE and can inhibit tubulin polymerization. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is vcMMAE (HY-15575) .

HY-164152A

*ADC Control Human IgG1-Deruxtecan (DAR 8)*	Fluorescent Dyes
ADC Control Human IgG1-Deruxtecan (DAR 8) is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-Deruxtecan and can inhibit DNA topoisomerase I. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is Deruxtecan (HY-13631E) .

HY-132253

Polatuzumab vedotin

1 Publications Verification

Fluorescent Dyes

Polatuzumab vedotin is an antibody-drug conjugate targeting CD79b. It contains a humanized anti-CD79b IgG1 monoclonal antibody linked to monomethyl auristatin E (MMAE), a potent microtubule inhibitor. The antibody portion is Polatuzumab (HY-P99042), and the drug-linker conjugate for ADC is VcMMAE (HY-15575). Polatuzumab vedotin has the potential for the research of Large B-cell lymphomas (LBCL) .

HY-164152

*ADC Control Human IgG1-Deruxtecan (DAR 4)*	Fluorescent Dyes
ADC Control Human IgG1-Deruxtecan (DAR 4) is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-Deruxtecan and can inhibit DNA topoisomerase I. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is Deruxtecan (HY-13631E) .

HY-171265

Becotatug vedotin MRG003	Fluorescent Dyes
Becotatug vedotin (MRG003) is an Antibody-Drug Conjugate (ADC) that consists of an anti-EGFR humanized IgG1 monoclonal antibody Becotatug (HY-P990049) and MMAE (HY-15162). These two parts are connected through a valine-citrulline (valine-citrulline) linker, where the linker and MMAE constitute the ADC's Drug-Linker conjugate VcMMAE (HY-15575) .

HY-177442

DS-3939a

DS-3939

Fluorescent Dyes

DS-3939a (DS-3939) is an anti-TA-MUC1 (tumor-associated mucin-1) antibody-drug conjugate (ADC). DS-3939a consists of a humanized anti-TA-MUC1 IgG1 monoclonal antibody Gatipotuzumab ( HY-P99634), a stable and cleavable tetrapeptide-based linker (Gly-Gly-Phe-Gly), and a DNA topoisomerase I inhibitor payload (DXd) (HY-13631D), and the drug-linker conjugate for ADC is Deruxtecan (HY-13631E). DS-3939a inhibits the growth of TA-MUC1-positive cancer cells (CFPAC-1, NCI-H2110) by inducing DNA damage and apoptosis. DS-3939a exhibits significant antitumor activity in a variety of TA-MUC1-expressing advanced solid tumors. DS-3939a can be used for the study of TA-MUC1-expressing advanced cancers .

HY-D0025

7-Amino-4-methylcoumarin-3-acetic acid	Fluorescent Dyes
7-Amino-4-methylcoumarin-3-acetic acid (AMCA) serves as the parent structure of coumarin-based blue fluorescent dyes, and its activated form AMCA-NHS can directly conjugate with proteins (Ex/Em ≈ 350/440-460).

HY-132253A

Polatuzumab vedotin (solution)

1 Publications Verification

Fluorescent Dyes

Polatuzumab vedotin solution is an antibody-drug conjugate targeting CD79b. It contains a humanized anti-CD79b IgG1 monoclonal antibody linked to monomethyl auristatin E (MMAE), a potent microtubule inhibitor. The antibody portion is Polatuzumab (HY-P99042), and the drug-linker conjugate for ADC is VcMMAE (HY-15575). Polatuzumab vedotin solution has the potential for the research of Large B-cell lymphomas (LBCL) .

HY-D2769

Oregon green 488 azide

Difluorocarboxyfluorescein azide, 6-isomer

Fluorescent Dyes

Oregon green 488 azide (Difluorocarboxyfluorescein azide, 6-isomer) is a bright green fluorescent azide-activated probe that reacts with terminal alkynes via copper-catalyzed azide-alkyne cycloaddition (CuAAC). Oregon green 488 azide can label goat anti-mouse IgG and exhibits excellent luminescence efficiency. Oregon green 488 azide, as a streptavidin conjugate, is used for flow cytometry staining of macrophages .

HY-164154

*ADC Control Human IgG1-vcMMAF*	Fluorescent Dyes
ADC Control Human IgG1-vcMMAF is a humanized monoclonal antibody that is an isotype control of ADC human IgG1-vcMMAF and can inhibit tubulin polymerization. The antibody portion is Human IgG1 kappa, Isotype Control (HY-P99001), and the drug-linker conjugate for ADC is MC-Val-Cit-PAB-MMAF (vcMMAF; HY-112786) .

HY-D0967

Cy5-bifunctional dye

Fluorescent Dyes

Cy5-bifunctional dye is a bifunctional dye used for covalent labeling of primary amines on proteins or oligonucleotides (Ex/Em = 649 nm/670 nm). Cy5-bifunctional dye can label recombinant annexin-V to assess phosphatidylserine exposure on the cell surface via flow cytometry. Cy5-bifunctional dye can label anti-human IgG (H + L) secondary antibodies. Cy5-bifunctional dye is applicable to studies of glanders and melioidosis .

HY-136957

Fluorescein-6-isothiocyanate	Fluorescent Dyes
Fluorescein-6-isothiocyanate is a fluorescent isomeric haptenic probes with K_ds of 8.74, 2.72 and 1.88 for N-Acetyl-L-Lysine, normal mouse IgG and 4-4-20, respectively .

HY-D1110

TFAX 594,SE	Fluorescent Dyes
TFAX 594,SE is a red fluorescent dye and exhibits pH-insensitivity over a very broad range (pH in the 4-10). TFAX 594,SE yields exceptionally bright, photostable conjugates with proteins or antibodies (such as goat anti-mouse IgG) .

HY-D1113

TFAX 488,TFP	Fluorescent Dyes
TFAX 488,TFP is a green fluorescent dye and exhibits pH-insensitivity over a very broad range (pH in the 4-10). TFAX 488,TFP yields exceptionally bright, photostable conjugates with proteins or antibodies (such as goat anti-mouse IgG, streptavidin) .

HY-D1114

TFAX 488,SE dilithium	Fluorescent Dyes
TFAX 488,SE dilithium is a green fluorescent dye and exhibits pH-insensitivity over a very broad range (pH in the 4-10). TFAX 488,SE dilithium yields exceptionally bright, photostable conjugates with proteins or antibodies (such as goat anti-mouse IgG, streptavidin) .

HY-D1111

TFAX 568, SE AFDye 568 NHS Ester	Fluorescent Dyes
TFAX 568, SE is an orange fluorescent dye and exhibits pH-insensitivity over a very broad range (pH in the 4-10). TFAX 568, SE yields exceptionally bright, photostable conjugates with proteins or antibodies (such as goat anti-mouse IgG) .

HY-D3274

PE-Cy5

Fluorescent Dyes

PE-Cy5 is a tandem fluorescent dye commonly used in flow cytometry, immunofluorescence, and cell biology research. It is formed by the covalent linkage of two fluorescent molecules, namely phycoerythrin and CY5. PE-Cy5 binds to human FcγRI (CD64), and this binding can be blocked by human pooled serum, anti-CD64 monoclonal antibodies targeting the ligand-binding region, or aggregated IgG. PE-Cy5 supports three-color flow cytometry analysis, and whole blood staining can partially reduce its non-specific binding (Ex/Em = 450-500 nm/665 nm) .

Cat. No.	Product Name	Type

HY-NP006

Protein A

1 Publications Verification

SPA

Biochemical Assay Reagents

Protein A (SPA) is an immunoglobulin (Ig)-binding protein that exists on the bacterial surface and can be freely secreted into the extracellular environment. Protein A blocks opsonophagocytosis and induces B cell apoptosis in vitro by binding to the Fc region of antibodies and the Fab region of B cell receptors. Protein A can form toxic immune complexes with IgG, thereby inducing leukocyte necrosis. Protein A contributes to the virulence expression of Staphylococcus aureus. Protein A triggers allergic reactions in IgG-pretreated mouse models. Protein A can be used in studies related to immune system diseases .

HY-W094510

Sodium pyrophosphate decahydrate

Biochemical Assay Reagents

Sodium pyrophosphate decahydrate is a phosphate donor and mild chelating agent. Sodium pyrophosphate decahydrate serves as a phosphate source for Pseudomonas aeruginosa acid phosphatase and its Q6 variant, enabling phosphorylation of L‑ascorbic acid to L‑ascorbate‑2‑phosphate. Sodium pyrophosphate decahydrate facilitates ^99mTc labeling of human polyclonal IgG. Sodium pyrophosphate decahydrate can be used in research on musculoskeletal infections .

HY-NP159A

House Dust Mite Extract, from D.pteronyssinus

Biochemical Assay Reagents

House Dust Mite Extract, from D. pteronyssinus is a house dust mite allergenic extract derived from Dermatophagoides pteronyssinus. House Dust Mite Extract, from D. pteronyssinus increases serum IgE, IgG1 and IgG2a levels, and elevates the levels of Interleukins 4, 5, 6, 10, 13 and 17. House Dust Mite Extract, from D. pteronyssinus induces significant asthmatic pathological changes. House Dust Mite Extract, from D. pteronyssinus can be used in studies related to asthma and allergic conjunctivitis .

HY-NP0149

Sambucus Nigra Lectin (Biotinylated) SNA (Biotinylated)	Biochemical Assay Reagents
Sambucus Nigra Lectin (SNA) (Biotinylated) is a terminal sialic acid (SA) residue-binding lectin with biotinylation modification. Sambucus Nigra Lectin (Biotinylated) binds specifically to terminal sialic acid residues on captured IgG and its subclasses .

HY-112624O

Dextran T100 (MW 100,000)

Dextran 100; Dextran D100; Dextran T100(MW 90000-110000)

Biochemical Assay Reagents

Dextran T100 (MW 100,000) (Dextran 100; Dextran D100) is a dehydrated glucose polymer with an average molecular weight of 100,000. Dextran T100 (MW 100,000) has an α-(1→6)-linked D-glucose backbone and α-(1→4)-, α-(1→3)- or α-(1→2)-linked D-glucose side chains, and it is synthesized by lactic acid bacteria or their enzymes. Dextran T100 (MW 100,000) possesses favorable biodegradability and biocompatibility, and it can be used in the fields of food, pharmaceuticals, cosmetics and research .

HY-NP0196

Mouse immunoglobulin G Mouse IgG	Biochemical Assay Reagents
Mouse Immunoglobulin G (Mouse IgG) is a mouse serum immunoglobulin that can be used in immunolabeling and coating protein in a variety of immunoassays including ELISA .

HY-NP0200

Dog Immunoglobulin G Dog IgG	Biochemical Assay Reagents
Dog Immunoglobulin G (Dog IgG) is a dog serum immunoglobulin that can be used in immunolabeling and coating protein in a variety of immunoassays including ELISA .

HY-NP0195

Sheep immunoglobulin G Sheep IgG	Biochemical Assay Reagents
Sheep Immunoglobulin G (Sheep IgG) is a sheep serum immunoglobulin that can be used in immunolabeling and coating protein in a variety of immunoassays including ELISA .

HY-NP0198

Rabbit Immunoglobulin G Rabbit IgG	Biochemical Assay Reagents
Rabbit Immunoglobulin G (Rabbit IgG) is a rabbit serum immunoglobulin that can be used in immunolabeling and coating protein in a variety of immunoassays including ELISA .

HY-NP002H

Porcine Serum Albumin (globulin free)	Biochemical Assay Reagents
Porcine Serum Albumin (globulin free) is a serum albumin protein containing a flexible C-terminal region. Porcine Serum Albumin (globulin free) induces the production of anti-PSA IgG antibodies in rats and triggers severe immune responses upon secondary administration .

HY-142998

Vaxfectin

Biochemical Assay Reagents

Vaxfectin is a second-generation cationic lipid-based suspension that adjuvants effectively both pDNA and protein-based vaccines. Vaxfectin can boost the immune response against a range of pDNA-expressed pathogenic antigens in vivo. Vaxfectin can increase IgG titers and give rise to an IL-6 dependent enhancement of the humoral immune response without altering the Th1 type immune response. Vaxfectin can be studied for vaccine formulation .

HY-NP193A

*Rat IgG* Fc fragment**	Biochemical Assay Reagents
Rat IgG Fc fragment is a crystallizable fragment (Fc) of rat immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-NP0197A

*Goat IgG* Fc fragment**	Biochemical Assay Reagents
Goat IgG Fc fragment is a crystallizable fragment (Fc) of goat immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-NP0196D

*Mouse IgG* Fc fragment**	Biochemical Assay Reagents
Mouse IgG Fc fragment is a crystallizable fragment (Fc) of mouse immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-NP0198B

*Rabbit IgG* Fab fragment**	Biochemical Assay Reagents
Rabbit IgG Fab fragment is a fragment of antigen (Fab) of rabbit immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-NP0198A

*Rabbit IgG* Fc fragment**	Biochemical Assay Reagents
Rabbit IgG Fc fragment is a crystallizable fragment (Fc) of rabbit immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-NP0196E

*Mouse IgG* Fab fragment**	Biochemical Assay Reagents
Mouse IgG Fab fragment is a fragment of antigen (Fab) of mouse immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-161481

Melamine/bov igG	Biochemical Assay Reagents
Melamine/bov igG is a biochemical reagent that can be used as a biological material or organic compound for life science related research .

HY-NP193

Rat Immunoglobulin G Rat IgG	Biochemical Assay Reagents
Rat Immunoglobulin G (Rat IgG) is a rat serum immunoglobulin that can be used in immunolabeling and coating protein in a variety of immunoassays including ELISA .

HY-NP0197

Goat immunoglobulin G Goat IgG	Biochemical Assay Reagents
Goat Immunoglobulin G (Goat IgG) is a goat serum immunoglobulin that can be used in immunolabeling and coating protein in a variety of immunoassays including ELISA .

HY-158466

*Human IgG* Glycoprotein**	Biochemical Assay Reagents
Human IgG Glycoprotein is a N-polysaccharide protein and a multifunctional fluorescent linker. The resulting conjugates exhibit high sensitivity and specificity by mimicking the antennal elements of N-glycans .

HY-W772717

L-Cystine disodium monohydrate

Biochemical Assay Reagents

L-Cystine disodium monohydrate is an orally active extracellular form of L-Cysteine (HY-Y0337), occurring in proteins of plants and animals. L-Cystine disodium monohydrate elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-Cystine disodium monohydrate reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine disodium monohydrate combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine disodium monohydrate is promising for research of cystinuria and kidney stones .

HY-NP193B

*Rat IgG* Fab fragment**	Biochemical Assay Reagents
Rat IgG Fab fragment is a fragment of antigen (Fab) of rat immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-NP0197B

*Goat IgG* Fab fragment**	Biochemical Assay Reagents
Goat IgG Fab fragment is a fragment of antigen (Fab) of goat immunoglobulin G (IgG) molecules that can be used as an immunolabel in various immunoassays, including ELISA.

HY-NP0199

Porcine Immunoglobulin G Porcine IgG	Biochemical Assay Reagents
Porcine Immunoglobulin G (Porcine IgG) is a porcine serum immunoglobulin that can be used in immunolabeling and coating protein in a variety of immunoassays including ELISA .

Cat. No.	Product Name	Target	Research Area

HY-P1240

MOG (35-55) mouse, rat Maximum Cited Publications 9 Publications Verification Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat	Endogenous Metabolite	Neurological Disease Inflammation/Immunology
MOG (35-55) mouse, rat (Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat) is a minor component of CNS myelin. MOG (35-55) mouse, rat has encephalitogenic activity and induces T cell proliferative. MOG (35-55) mouse, rat induces Th1 cytokine response as well as relatively high levels of IgG antibodies. MOG (35-55) mouse, rat produces a relapsing-remitting neurological disease with extensive plaque-like demyelination. MOG (35-55) mouse, rat (MOG (35-55)) can be used for experimental autoimmune encephalomyelitis (EAE) modeling .

HY-W009203

L-Cystine dihydrochloride 4 Publications Verification	Endogenous Metabolite Apoptosis Keap1-Nrf2 Reactive Oxygen Species (ROS) Ferroptosis	Metabolic Disease Inflammation/Immunology Cancer
L-Cystine dihydrochloride is the dihydrochloride salt form of L-Cystine (HY-N0394). L-Cystine dihydrochloride elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-cystine dihydrochloride reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine dihydrochloride combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine dihydrochloride is promising for research of cystinuria and kidney stones

HY-P1240A

MOG (35-55) TFA Maximum Cited Publications 9 Publications Verification Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat TFA	Endogenous Metabolite	Neurological Disease Inflammation/Immunology
MOG (35-55) (MOG (35-55)) TFA is a minor component of CNS myelin. MOG (35-55) (TFA) has encephalitogenic activity and induces T cell proliferative. MOG (35-55) (TFA) induces Th1 cytokine response as well as relatively high levels of IgG antibodies. MOG (35-55) (TFA) produces a relapsing-remitting neurological disease with extensive plaque-like demyelination. MOG (35-55) (MOG (35-55)) TFA can be used for experimental autoimmune encephalomyelitis (EAE) modeling .

HY-P1291

PKI 14-22 amide,myristoylated 3 Publications Verification	PKA Epigenetic Reader Domain Flavivirus	Infection Neurological Disease
PKI 14-22 amide, myristoylated is a selective, cAMP-dependent, competitive PKA inhibitor with K_i=~36 nM. The myristoylation modification of PKI 14-22 amide, myristoylated makes it more permeable to cell membranes and blood-brain barriers than the precursor molecule. PKI 14-22 amide, myristoylated can block the phosphorylation of cAMP-dependent downstream targets (such as CREB). PKI 14-22 amide, myristoylated can prevent the development of morphine analgesic tolerance in mice, and also inhibits protein translation and negative-strand RNA synthesis of Zika virus. PKI 14-22 amide, myristoylated can be used in research fields such as opioid tolerance mechanisms and antiviral drugs .

HY-P1240B

MOG (35-55) acetate Maximum Cited Publications 9 Publications Verification Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat acetate	Peptides	Neurological Disease Inflammation/Immunology
MOG (35-55) (Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat) acetate is a minor component of CNS myelin. MOG (35-55) (acetate) has encephalitogenic activity and induces T cell proliferative. MOG (35-55) (acetate) induces Th1 cytokine response as well as relatively high levels of IgG antibodies. MOG (35-55) (acetate) produces a relapsing-remitting neurological disease with extensive plaque-like demyelination. MOG (35-55) (Myelin Oligodendrocyte Glycoprotein Peptide (35-55), mouse, rat) acetate can be used for experimental autoimmune encephalomyelitis (EAE) modeling .

HY-P1291A

PKI 14-22 amide,myristoylated TFA 3 Publications Verification	PKA Epigenetic Reader Domain Flavivirus	Infection Neurological Disease
PKI 14-22 amide, myristoylated TFA is a selective, cAMP-dependent, competitive PKA inhibitor with K_i=~36 nM. The myristoylation modification of PKI 14-22 amide, myristoylated TFA makes it more permeable to cell membranes and blood-brain barriers than the precursor molecule. PKI 14-22 amide, myristoylated TFA can block the phosphorylation of cAMP-dependent downstream targets (such as CREB). PKI 14-22 amide, myristoylated TFA can prevent the development of analgesic tolerance in mice, and also inhibits protein translation and negative-strand RNA synthesis of Zika virus. PKI 14-22 amide, myristoylated TFA can be used in research fields such as opioid tolerance mechanisms and antiviral drugs .

HY-W009356

L-Cystine hydrochloride	Endogenous Metabolite Ferroptosis ROS Kinase Keap1-Nrf2 Reactive Oxygen Species (ROS)	Others
L-Cystine hydrochloride is an orally active extracellular form of L-Cysteine (HY-Y0337), occurring in proteins of plants and animals. L-Cystine hydrochloride elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-Cystine hydrochloride reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine hydrochloride combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine hydrochloride is promising for research of cystinuria and kidney stones

HY-P10427

DV1	CXCR Dengue Virus	Neurological Disease Inflammation/Immunology Cancer
DV1 is a CXCR4 inhibitor with anti-proteolytic properties that specifically blocks the binding of SDF-1α to its receptor. DV1 inhibits the migration of breast cancer cells and enables the targeted delivery of avidin-PLGA nanoparticles to CXCR4-expressing cancer cells. DV1 not only effectively suppresses the progression of metastatic breast cancer in mouse models, but also preferentially accumulates in brain tumor tissues rather than normal brain tissues, showing potential for inhibiting intracranial tumor metastasis. As a humoral immune stimulant, DV1 induces the production of specific IgG, neutralizing antibodies and cellular immune responses, thereby providing the host with protection against lethal challenges. DV1 has been applied to studies on CXCR4-expressing cancers, glioblastoma, dengue fever and other related diseases .

HY-P4087

Cys(Npys)-(Arg)9	HIV	Infection Cancer
Cys(Npys)-(Arg)9 is a synthetic cationic cell-penetrating peptide with a reversible thiol-reactive nitropyridyl (Npys) group. Cys(Npys)-(Arg)9 efficiently mediates the internalization and delivery of various "cargo" such as proteins and antibodies by forming reversible disulfide bonds with surface-exposed cysteine residues. Cys(Npys)-(Arg)9 endows TALEN proteins with cell-penetrating activity, enabling gene knockout in mammalian cells and protein transduction in wheat microspores. Cys(Npys)-(Arg)9 can be conjugated with antibodies to form cationized IgG for enhancing endosomal escape of oligonucleotides, or form siRNA delivery complexes. When the molar ratio of Cys(Npys)-(Arg)9 to loaded molecules is higher than 1:1, it exerts certain cytotoxic effects on cells. Cys(Npys)-(Arg)9 can be used in studies related to oral squamous cell carcinoma and HIV infection .

HY-P3203A

DSTYSLSSTLTLSK TFA	TNF Receptor	Inflammation/Immunology
DSTYSLSSTLTLSK TFA is a generic human peptide and can be used for infliximab quantitative detection . Infliximab (Avakine) is a chimeric monoclonal IgG1 antibody that specifically binds to TNF-α.

HY-P11084

WT1 126-134 peptide	MHC	Inflammation/Immunology Cancer
WT1 126-134 peptide is a Wilms' tumor oncogene protein (WT1) peptide (RMFPNAPYL). WT1 126-134 peptide is presented by HLA-A0201 and induces cytotoxic CD8 T cells capable of killing WT1+ positive tumor cells. WT1 126-134 can form stable complexes with the H-2Db (mouse) or HLA-A0201 (human) molecules. WT1 126-134 peptide/HLA-A0201 complex has an extremely high affinity (K_d = 0.2 nM) with the humanized monoclonal antibody (IgG1). WT1 126-134 peptide can be used as a vaccine for T cells or as a target for antibodies .

HY-P10427A

DV1 TFA	CXCR Dengue Virus	Infection
DV1 TFA is a CXCR4 inhibitor with anti-proteolytic properties that specifically blocks the binding of SDF-1α to its receptor. DV1 TFA inhibits the migration of breast cancer cells and enables the targeted delivery of avidin-PLGA nanoparticles to CXCR4-expressing cancer cells. DV1 TFA not only effectively suppresses the progression of metastatic breast cancer in mouse models, but also preferentially accumulates in brain tumor tissues rather than normal brain tissues, showing potential for inhibiting intracranial tumor metastasis. As a humoral immune stimulant, DV1 TFA induces the production of specific IgG, neutralizing antibodies and cellular immune responses, thereby providing the host with protection against lethal challenges. DV1 TFA has been applied to studies on CXCR4-expressing cancers, glioblastoma, dengue fever and other related diseases .

HY-P5309

IgA1 Peptide GN5	Biochemical Assay Reagents	Inflammation/Immunology
IgA1 Peptide GN5 is a synthetic glycopeptide and can be used for detection of gender difference and epitope specificity of IgG antibody activity against IgA1 hinge portion in IgA nephropathy patients .

HY-P4087B

Cys(Npys)-(Arg)9 acetate	HIV	Others
Cys(Npys)-(Arg)9 acetate is a synthetic cationic cell-penetrating peptide with a reversible thiol-reactive nitropyridyl (Npys) group. Cys(Npys)-(Arg)9 acetate efficiently mediates the internalization and delivery of various "cargo" such as proteins and antibodies by forming reversible disulfide bonds with surface-exposed cysteine residues. Cys(Npys)-(Arg)9 acetate endows TALEN proteins with cell-penetrating activity, enabling gene knockout in mammalian cells and protein transduction in wheat microspores. Cys(Npys)-(Arg)9 acetate can be conjugated with antibodies to form cationized IgG for enhancing endosomal escape of oligonucleotides, or form siRNA delivery complexes. When the molar ratio of Cys(Npys)-(Arg)9 acetate to loaded molecules is higher than 1:1, it exerts certain cytotoxic effects on cells. Cys(Npys)-(Arg)9 acetate can be used in studies related to oral squamous cell carcinoma and HIV infection .

HY-P3149

LEESGGGLVQPGGSMK	TNF Receptor	Inflammation/Immunology
LEESGGGLVQPGGSMK, a proteolysis peptide, is a component of Infliximab. LEESGGGLVQPGGSMK can be used for quantitative analysis of Infliximab. Infliximab is a chimeric monoclonal IgG1 antibody that specifically binds to TNF-α .

HY-P5309A

IgA1 Peptide GN5 TFA	Biochemical Assay Reagents	Inflammation/Immunology
IgA1 Peptide GN5 (TFA) is a synthetic glycopeptide and can be used for detection of gender difference and epitope specificity of IgG antibody activity against IgA1 hinge portion in IgA nephropathy patients .

HY-P11033

Pep2 Peptide	Transmembrane Glycoprotein	Cancer
Pep2 Peptide (also known as scavenger receptor B2) is a peptide ligand for the transmembrane glycoprotein CD36. Pep2 Peptide selectively binds to CD36 over HAS, IgG and CD44. Pep2 Peptide can be studied in research on enhancing delivery of anticancer agent .

HY-P5168S

GPSVFPLAPSSK-13C6,15N2	Isotope-Labeled Compounds SARS-CoV	Infection
GPSVFPLAPSSK- ¹³C₆, ¹⁵N₂ is the ¹³C- and ¹⁵N-labeled GPSVFPLAPSSK. GPSVFPLAPSSK is an IgG1 signature peptide of anti-SARS-CoV-2 antibodies. GPSVFPLAPSSK can be used for the quantification of the specific isolation of anti-SARS-CoV-2 antibodies .

HY-P4043

Hepatitis b virus pre-s region (120-145)	HBV	Infection Inflammation/Immunology
Hepatitis b virus pre-s region (120-145) is a preS2 peptide that inhibits the binding of single-chain Fv fragment (scFv) or IgG to r-HBsAg .

HY-P3203

DSTYSLSSTLTLSK	Biochemical Assay Reagents	Inflammation/Immunology
DSTYSLSSTLTLSK is a generic human peptide and can be used for infliximab quantitative detection . Infliximab (Avakine) is a chimeric monoclonal IgG1 antibody that specifically binds to TNF-α.

HY-P3149B

LEESGGGLVQPGGSMK acetate	TNF Receptor	Inflammation/Immunology
LEESGGGLVQPGGSMK acetate, a proteolysis peptide, is a component of Infliximab. LEESGGGLVQPGGSMK acetate can be used for quantitative analysis of Infliximab. Infliximab is a chimeric monoclonal IgG1 antibody that specifically binds to TNF-α .

HY-P3149A

LEESGGGLVQPGGSMK TFA	TNF Receptor	Inflammation/Immunology
LEESGGGLVQPGGSMK TFA, a proteolysis peptide, is a component of Infliximab. LEESGGGLVQPGGSMK TFA can be used for quantitative analysis of Infliximab. Infliximab is a chimeric monoclonal IgG1 antibody that specifically binds to TNF-α .

HY-P2665

Lymphocyte activating pentapeptide	Peptides	Others
Lymphocyte activating pentapeptide is a short peptide sequence found in the Fc region of human IgG1 that has the ability to activate lymphocytes. Lymphocyte activating pentapeptide can be used to study the activation mechanisms of B cells and T cells, and their role in immune responses .

HY-P5168AS

GPSVFPLAPSSK-13C6,15N2 TFA	Isotope-Labeled Compounds SARS-CoV	Infection
GPSVFPLAPSSK- ¹³C₆, ¹⁵N₂ TFA is the ¹³C- and ¹⁵N-labeled GPSVFPLAPSSK. GPSVFPLAPSSK is an IgG1 signature peptide of anti-SARS-CoV-2 antibodies. GPSVFPLAPSSK can be used for the quantification of the specific isolation of anti-SARS-CoV-2 antibodies .

HY-P10492

Tregitope 289	Peptides	Others Metabolic Disease
Tregitope 289 is a peptide derived from the Fc region of immunoglobulin G (IgG) and is a highly conserved T cell epitope that stimulates the expansion of natural regulatory T cells. Co-delivery of Tregitope 289 with type 1 diabetes (T1D) antigens delays the development of hyperglycemia and reduces the incidence of diabetes in the NOD mouse model. Tregitope 289 can be used to study T1D and other autoimmune diseases .

HY-P4510

SLSLSPG	Peptides	Others
SLSLSPG can be obtained from the C-end of the heavy chain of human Igγ-1. SLSLSPG is a common variant in IgG .

HY-W009203R

L-Cystine dihydrochloride (Standard)	Endogenous Metabolite Apoptosis Keap1-Nrf2 Reactive Oxygen Species (ROS) Ferroptosis Reference Standards	Metabolic Disease Inflammation/Immunology Cancer
L-Cystine (dihydrochloride) (Standard) is the analytical standard of L-Cystine (dihydrochloride) (HY-W009203). This product is intended for research and analytical applications. L-Cystine dihydrochloride is the dihydrochloride salt form of L-Cystine (HY-N0394). L-Cystine dihydrochloride elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-cystine dihydrochloride reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine dihydrochloride combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine dihydrochloride is promising for research of cystinuria and kidney stones

HY-P11084A

WT1 126-134 peptide acetate	MHC	Inflammation/Immunology Cancer
WT1 126-134 peptide acetate is a Wilms' tumor oncogene protein (WT1) peptide (RMFPNAPYL). WT1 126-134 peptide acetate is presented by HLA-A0201 and induces cytotoxic CD8 T cells capable of killing WT1+ positive tumor cells. WT1 126-134 can form stable complexes with the H-2Db (mouse) or HLA-A0201 (human) molecules. WT1 126-134 peptide acetate/HLA-A0201 complex has an extremely high affinity (K_d = 0.2 nM) with the humanized monoclonal antibody (IgG1). WT1 126-134 peptide acetate can be used as a vaccine for T cells or as a target for antibodies .

Cat. No.	Product Name

HY-K0214

Protein G Agarose Maximum Cited Publications 6 Publications Verification
MCE Protein G Agarose, a 4% highly cross-linked agarose reagent coupled with recombinant Protein G, effectively purifies mammalian monoclonal and polyclonal antibodies, such as human IgG3 and rat IgG2a.

HY-K0242

Protein A Plus Magnetic Agarose Beads 1 Publications Verification
MCE Protein A Plus Magnetic Agarose Beads can be used for the detection and purification of IgG from serum, ascites fluid, cell culture supernatant and other antibody samples.

HY-K0213

Protein A Agarose 5 Publications Verification
MCE Protein A Agarose, a 4% highly cross-linked agarose reagent coupled with recombinant Protein A, effectively purifies mammalian monoclonal and polyclonal antibodies, such as human IgG, IgE, IgM.

HY-K0243

Protein G Plus Magnetic Agarose Beads 3 Publications Verification
MCE Protein G Plus Magnetic Agarose Beads can be used for the detection and purification of IgG from serum, ascites fluid, cell culture supernatant and other antibody samples.

HY-K0251

Protein A Agarose (Alkali-Tolerant) 4FF
MCE Protein A Agarose (Alkali-Tolerant) 4FF can efficiently binds IgG from serum, ascites, culture supernatants, and other antibody-containing samples, enabling high-performance antibody purification.

HY-KD1113

Biotinylated Rapid Labeling Kit

The Biotinylation Rapid Labelling Kit enables biotinylation of proteins. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled within a pH 7-9 solution, forming stable amide bonds to achieve conjugation with the antibody/protein. Typically, a single IgG molecule can bind 2-8 molecules of biotin. The entire procedure can be completed within two hours.

HY-KD1115

DOTA Rapid Labeling Kit
The DOTA rapid labelling kit enables DOTA labelling of proteins. Based on NHS ester chemistry, NHS ester-activated fluorescent dyes react with primary amines on the antibody/protein to form stable amide bonds at pH 7–9, thereby achieving conjugation with the antibody/protein. Typically, a single IgG molecule can bind 2–8 DOTA molecules. The entire procedure can be completed within 2 hours.

HY-KD1114

Nota Rapid Labeling Kit

The NOTA Rapid Labelling Kit enables NOTA labelling of proteins. Based on NHS ester chemistry, NHS ester-activated fluorescent dyes react with primary amines on the antibody/protein to be labelled in a pH 7-9 solution, forming stable amide bonds to achieve conjugation with the antibody/protein. Typically, a single IgG molecule can bind 2–8 NOTA molecules. The entire procedure can be completed within two hours.

HY-KD1101

Green Fluorescent Rapid Labeling Kit (FITC）

Green Fluorescent Rapid Labelling Kit (FITC) enables green fluorescent labelling of proteins. Maximum excitation/ emission wavelengths: 488/515 nm. Based on NHS-ester chemistry, the NHS-ester-activated fluorescent dye reacts with primary amines in pH 7-9 solutions to form stable amide bonds, thereby achieving conjugation with antibodies/proteins. Typically, one IgG molecule can bind 2-8 molecules of FITC. The entire procedure can be completed within two hours.

HY-KD1106

Deep Red Fluorescent Rapid Labeling Kit (AF647）

Red Fluorescent Rapid Labelling Kit (AF647) enables red fluorescent labelling of proteins. Maximum excitation/ Emission Wavelength: 647/665 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation. Typically, one IgG molecule can bind 2-8 molecules of AF647. The entire procedure can be completed within two hours.

HY-KD1112

Blue Fluorescent Rapid Labeling Kit (AF350）

TheBlue Fluorescence Rapid Labelling Kit (AF350) enables red fluorescent labelling of proteins. Maximum excitation/ emission wavelengths: 346/442 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation. Typically, one IgG molecule can bind 2-8 molecules of AF350. The entire procedure can be completed within two hours.

HY-KD1103

Red Fluorescent Rapid Labeling Kit (CY3）

Red Fluorescent Rapid Labelling Kit (CY3) enables red fluorescent labelling of proteins. Maximum excitation/ Emission Wavelength: 550/570 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation with the antibody/protein. Typically, one IgG molecule can bind 2–8 molecules of CY3. The entire experiment can be completed within 2 hours.

HY-KD1107

Deep Red Fluorescent Rapid Labeling Kit (CY5）

Deep Red Fluorescent Rapid Labelling Kit (CY5) enables red fluorescent labelling of proteins. Maximum excitation/ emission wavelengths: 649/667 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation. Typically, one IgG molecule can bind 2–8 molecules of CY5. The entire experiment can be completed within 2 hours.

HY-KD1111

NIR Red Fluorescent Rapid Labeling Kit (AF750）

Near-infrared Fluorescent Rapid Labelling Kit (AF750) enables red fluorescent labelling of proteins. Maximum excitation/ Emission Wavelength: 750/775 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in pH 7-9 solutions to form stable amide bonds, thereby achieving conjugation with antibodies/proteins. Typically, one IgG molecule can bind 2-8 molecules of AF750. The entire procedure can be completed within two hours.

HY-KD1102

Green Fluorescent Rapid Labeling Kit (AF488）

Green Fluorescent Rapid Labelling Kit (AF488) enables green fluorescent labelling of proteins. Maximum excitation/ emission wavelengths: 480/525 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in pH 7-9 solutions to form stable amide bonds, thereby achieving conjugation with antibodies/proteins. Typically, one IgG molecule can bind 2-8 molecules of AF488. The entire procedure can be completed within two hours.

HY-KD1105

Red Fluorescent Rapid Labeling Kit (AF594）

Red Fluorescent Rapid Labelling Kit (AF594) enables red fluorescent labelling of proteins. Maximum excitation/ Emission Wavelength: 594/617 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in pH 7-9 solutions to form stable amide bonds, thereby achieving conjugation with antibodies/proteins. Typically, one IgG molecule can bind 2-8 molecules of AF594. The entire procedure can be completed within two hours.

HY-KD1104

Red Fluorescent Rapid Labeling Kit (AF555）

Red Fluorescent Rapid Labelling Kit (AF555) enables red fluorescent labelling of proteins. Maximum excitation/ Emission Wavelength: 555/565 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in pH 7-9 solutions to form stable amide bonds with the target antibody/protein, achieving conjugation. Typically, one IgG molecule can bind 2-8 molecules of AF555. The entire procedure can be completed within two hours.

HY-KD1109

NIR Red Fluorescent Rapid Labeling Kit (CY7）

Near-infrared Fluorescent Rapid Labelling Kit (CY7) enables red fluorescent labelling of proteins. Maximum excitation/ emission wavelengths: 750/773 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation. Typically, one IgG molecule can bind 2–8 molecules of CY7. The entire experiment can be completed within 2 hours.

HY-KD1108

Deep Red Fluorescent Rapid Labeling Kit (CY5.5）

Deep Red Fluorescent Rapid Labelling Kit (CY5.5) enables red fluorescent labelling of proteins. Maximum excitation/ emission wavelengths: 678/695 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation. Typically, one IgG molecule can bind 2-8 molecules of CY5.5. The entire procedure can be completed within two hours.

HY-KD1110

NIR Red Fluorescent Rapid Labeling Kit (CY7.5）

The Near-Infrared Fluorescence Rapid Labelling Kit (CY7.5) enables red fluorescent labelling of proteins. Maximum excitation/ emission wavelengths: 788/814 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation. Typically, one IgG molecule can bind 2-8 molecules of CY7.5. The entire procedure can be completed within two hours.

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-128850

N-Acetyl-D-mannosamine N-Acetylmannosamine; ManNAc	Natural Products Human Gut Microbiota Metabolites Neurological Disease Classification of Application Fields Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite
N-Acetyl-D-mannosamine (ManNAc) is an oral active sialic acid precursor that can prevent hypertension by increasing sialylation of *IgG, making it a promising candidate for cardiovascular disease research. Additionally, N-Acetyl-D-mannosamine can activate hypocretin* (HCRT) gene expression in orexin neurons and improve neurodegeneration caused by aging, offering potential avenues for research in neurological disorders .

HY-N0394

L-Cystine 4 Publications Verification	Human Gut Microbiota Metabolites Classification of Application Fields Other Diseases Amino acids Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite Ferroptosis ROS Kinase Keap1-Nrf2 Reactive Oxygen Species (ROS)
L-Cystine is an orally active extracellular form of L-Cysteine (HY-Y0337), occurring in proteins of plants and animals. L-Cystine elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-cystine reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine is promising for research of cystinuria and kidney stones

HY-W009203

L-Cystine dihydrochloride 4 Publications Verification	Classification of Application Fields Ketones, Aldehydes, Acids Other Diseases Endogenous metabolite Disease Research Fields Source Classification	Endogenous Metabolite Apoptosis Keap1-Nrf2 Reactive Oxygen Species (ROS) Ferroptosis
L-Cystine dihydrochloride is the dihydrochloride salt form of L-Cystine (HY-N0394). L-Cystine dihydrochloride elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-cystine dihydrochloride reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine dihydrochloride combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine dihydrochloride is promising for research of cystinuria and kidney stones

HY-W020658

L-α-Phosphatidylinositol 1 Publications Verification	Structural Classification Natural Products Leguminosae Glycine max (L.) merr Plants Source Classification	HIV
L-α-Phosphatidylinositol is a type of phospholipid. L-α-Phosphatidylinositol can serve as an antigen in ELISA assays for screening antiphospholipid antibodies. L-α-Phosphatidylinositol can be used in studies related to HIV-1 infection .

HY-N0626

Sorbic acid	Infection Structural Classification other families Preservatives Classification of Application Fields Ketones, Aldehydes, Acids Plants Endogenous metabolite Disease Research Fields Source Classification Food Research	Environmental Pollutants Bacterial Endogenous Metabolite Fungal Antibiotic
Sorbic acid is an antibacterial preservative effective against most molds, yeasts, and some bacterial species. Sorbic acid inhibits microbial growth. Sorbic acid suppresses the activity of intestinal microorganisms in zebrafish, alters the composition of intestinal flora, and reduces the levels of intestinal immune biomarkers, including *IgG, IL-1β, and TNF-α*. Sorbic acid can be used in research on the prevention and treatment of mold, yeast, and bacterial infections .

HY-N0626A

Potassium sorbate Sorbic acid potassium	Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Metabolic Disease Endogenous metabolite Disease Research Fields Source Classification	Environmental Pollutants Endogenous Metabolite Antibiotic Bacterial Fungal
Potassium sorbate (Sorbic acid potassium) is an antibacterial preservative effective against most molds, yeasts, and some bacterial species. Potassium sorbate inhibits microbial growth. Potassium sorbate suppresses the activity of intestinal microorganisms in zebrafish, alters the composition of intestinal flora, and reduces the levels of intestinal immune biomarkers, including *IgG, IL-1β, and TNF-α*. Potassium sorbate can be used in research on the prevention and treatment of mold, yeast, and bacterial infections .

HY-N11630

Pinellic acid	Structural Classification Araceae Ketones, Aldehydes, Acids Plants Pinellia ternata (Thunb.) Breit. Source Classification	Influenza Virus Biochemical Assay Reagents
Pinellic acid is an orally active adjuvant for intranasal influenza vaccines. Pinellic acid can be extracted from the tubers of Pinellia ternata Breitenbach. When administered intranasally in combination with influenza HA vaccine, Pinellic acid slightly increases the titers of antiviral IgG antibodies in bronchoalveolar lavage fluid and serum. Pinellic acid shows no hemolytic activity. Pinellic acid can be used in studies related to influenza virus infection .

HY-N3522

Platycoside E 2 Publications Verification	Triterpenes Classification of Application Fields Terpenoids Platycodon grandiflorus (Jacq.) A. DC. Campanulaceae Plants Inflammation/Immunology Disease Research Fields Source Classification	Others
Platycoside E is a platycodigenin-type saponin isolated from the root of Platycodon grandiflorum with haemolytic activity and adjuvant potential. Platycoside E promotes the production of the sera OVA-specific *IgG2a* and *IgG2b* antibody in the ovalbumin (OVA)-immunized mice .

HY-N0626AR

Potassium sorbate (Standard) Sorbic acid potassium (Standard)	Structural Classification other families Ketones, Aldehydes, Acids Plants Endogenous metabolite Source Classification	Reference Standards Environmental Pollutants Bacterial Endogenous Metabolite Fungal Antibiotic
Potassium sorbate (Standard) is the analytical standard of Potassium sorbate. This product is intended for research and analytical applications. Potassium sorbate (Sorbic acid potassium) is an antibacterial preservative effective against most molds, yeasts, and some bacterial species. Potassium sorbate inhibits microbial growth. Potassium sorbate suppresses the activity of intestinal microorganisms in zebrafish, alters the composition of intestinal flora, and reduces the levels of intestinal immune biomarkers, including *IgG, IL-1β, and TNF-α*. Potassium sorbate can be used in research on the prevention and treatment of mold, yeast, and bacterial infections .

HY-N0394R

L-Cystine (Standard)	Structural Classification Human Gut Microbiota Metabolites Microorganisms Amino acids Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite Ferroptosis ROS Kinase Keap1-Nrf2
L-Cystine (Standard) is the analytical standard of L-Cystine. This product is intended for research and analytical applications. L-Cystine, the extracellular form of L-Cysteine (HY-Y0337), is a nutritionally dispensable semiessential sulfur-containing amino acid, occurring in proteins of plants and animals. L-Cystine induces Nrf2 protein elevation in a Keap1 (HY-P75897)-dependent manner and activates Nrf2 transcription factor. L-cystine can elicit cytoprotection by reducing ROS generation and protecting against oxidant- or doxorubicin-induced apoptosis. The reduced reabsorption of L-Cystine in renal tubules and its poor solubility in urine are the important causes of cystine precipitation and cystine crystal formation eventually leading to kidney stones. L-Cystine combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine is promising for research of cystinuria and cystinosis

HY-N0626R

Sorbic acid (Standard)	Structural Classification Microorganisms other families Ketones, Aldehydes, Acids Plants Endogenous metabolite Source Classification	Reference Standards Environmental Pollutants Bacterial Endogenous Metabolite Fungal Antibiotic
Sorbic acid (Standard) is the analytical standard of Sorbic acid (HY-N0626). This product is intended for research and analytical applications. Sorbic acid is an antibacterial preservative effective against most molds, yeasts, and some bacterial species. Sorbic acid inhibits microbial growth. Sorbic acid suppresses the activity of intestinal microorganisms in zebrafish, alters the composition of intestinal flora, and reduces the levels of intestinal immune biomarkers, including *IgG, IL-1β, and TNF-α*. Sorbic acid can be used in research on the prevention and treatment of mold, yeast, and bacterial infections .

HY-N15846

VSA 1	Structural Classification Lipid	Drug Derivative
VSA 1, a semisynthetic QS-21 (HY-101092) analog, is a saponin adjuvant. VSA 1 potentiates antigen-specific IgG1 and IgG2a immune responses in BALB/c mice, indicating a mixed Th1/Th2 immune response. VSA 1 significantly improves vaccine efficacy after primary immunization and enhances homologous protection .

HY-N14193

Estatin B	Microorganisms Antibiotics Other Antibiotics Source Classification	Cathepsin
Estatin B is a thiol protease inhibitor found by the Thermophilic Bacterium M4323, which is specific to thiol proteases such as papain, fig protease, and bromelain. Estatin B inhibits the production of IgE antibodies but not IgG in mice .

HY-N16024

FP-20 sodium	Lipid	Toll-like Receptor (TLR)
FP-20 sodium, a selective TLR4 agonist, is a vaccine adjuvant. FP-20 sodium induces MAPK- and NLRP3-dependent inflammasome activation. FP20 shows no toxicity in mouse vaccination experiments with OVA antigen and induces IgG production .

HY-128850R

N-Acetyl-D-mannosamine (Standard) N-Acetylmannosamine (Standard); ManNAc (Standard)	Natural Products Human Gut Microbiota Metabolites Endogenous metabolite Source Classification	Reference Standards Endogenous Metabolite
N-Acetyl-D-mannosamine (Standard) is an analytical standard for N-Acetyl-D-mannosamine. This product is intended for research and analytical applications. N-Acetyl-D-mannosamine (ManNAc) is an orally active sialic acid (Sialic Acid) precursor that can prevent hypertension by increasing sialylation of IgG and has potential for use in cardiovascular disease research. N-Acetyl-D-mannosamine activates hypocretin (HCRT) gene expression and alters

HY-N15770

VSA 2	Lipid	Biochemical Assay Reagents
VSA 2, a saponin-based vaccine adjuvant, is a derivative of Momordica saponin (MS) II. VSA 2 is an immunostimulant, shows consistent enhancement of immunoglobulin G2a (IgG2a) production when it was in formulation with either ovalbumin or recombinant hemagglutinin B (rHagB) antigen .

HY-W009203R

L-Cystine dihydrochloride (Standard)	Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Endogenous Metabolite Apoptosis Keap1-Nrf2 Reactive Oxygen Species (ROS) Ferroptosis Reference Standards
L-Cystine (dihydrochloride) (Standard) is the analytical standard of L-Cystine (dihydrochloride) (HY-W009203). This product is intended for research and analytical applications. L-Cystine dihydrochloride is the dihydrochloride salt form of L-Cystine (HY-N0394). L-Cystine dihydrochloride elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-cystine dihydrochloride reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine dihydrochloride combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine dihydrochloride is promising for research of cystinuria and kidney stones

HY-N17617

S-Petasin	Structural Classification Natural Products Plants Petasites hybridus (L.) G.Gaertn., B.Mey. & Schreb. Compositae Source Classification	Phosphodiesterase (PDE) Apoptosis NO Synthase Caspase PPAR Bcl-2 Family PARP
S-Petasin is a phosphodiesterase (PDE) inhibitor with IC₅₀ values of 25.5 μM and 17.5 μM for PDE3 and PDE4, respectively. S-Petasin inhibits cholesterol side-chain cleavage enzyme, 11β-hydroxylase, PPAR-γ, and iNOS induction at RNA and protein levels. S-Petasin induces apoptosis, activates caspases, cleaves PARP, modulates mitochondrial membrane permeability, and regulates BCL2/BAX, p53, Bcl-XL, MMP-2, MMP-9, p21, CDK4, and cyclin D1 expression. S-Petasin reduces inflammatory cell accumulation, cytokine and IgE levels, and enhances serum IgG2a levels. S-Petasin relaxes isolated sensitized guinea pig trachealis and exhibits gastrointestinal anti-spasmodic activity. S-Petasin reduces tonsillitis severity and asthmatic attack frequency. S-Petasin can be used for the research of prostate cancer, obesity, melanoma, allergic asthma, asthma, and peritonitis .

Cat. No.	Product Name	Chemical Structure

HY-P5168S

GPSVFPLAPSSK-13C6,15N2
GPSVFPLAPSSK- ¹³C₆, ¹⁵N₂ is the ¹³C- and ¹⁵N-labeled GPSVFPLAPSSK. GPSVFPLAPSSK is an IgG1 signature peptide of anti-SARS-CoV-2 antibodies. GPSVFPLAPSSK can be used for the quantification of the specific isolation of anti-SARS-CoV-2 antibodies .

HY-P5168AS

GPSVFPLAPSSK-13C6,15N2 TFA
GPSVFPLAPSSK- ¹³C₆, ¹⁵N₂ TFA is the ¹³C- and ¹⁵N-labeled GPSVFPLAPSSK. GPSVFPLAPSSK is an IgG1 signature peptide of anti-SARS-CoV-2 antibodies. GPSVFPLAPSSK can be used for the quantification of the specific isolation of anti-SARS-CoV-2 antibodies .

HY-N0394S5

L-Cystine-13C6,15N2

L-Cystine- ¹³C₆, ¹⁵N₂ is the ¹³C- and ¹⁵N-labeled L-Cystine (HY-N0394). L-Cystine is an orally active extracellular form of L-Cysteine (HY-Y0337), occurring in proteins of plants and animals. L-Cystine elevates Nrf2 protein expression and activates Nrf2 transcription factor. L-cystine reduces ROS generation and protects against oxidant- or Doxorubicin (HY-15142A)-induced apoptosis. L-Cystine combined with L-theanine (HY-15121) enhances the production of antigen-specific IgG by increasing glutathione (GSH) levels and T helper 2 (Th2) mediated responses in mice. L-Cystine is promising for research of cystinuria and kidney stones.

Cat. No.	Product Name		Classification

HY-D2769

Oregon green 488 azide Difluorocarboxyfluorescein azide, 6-isomer		Azide
Oregon green 488 azide (Difluorocarboxyfluorescein azide, 6-isomer) is a bright green fluorescent azide-activated probe that reacts with terminal alkynes via copper-catalyzed azide-alkyne cycloaddition (CuAAC). Oregon green 488 azide can label goat anti-mouse IgG and exhibits excellent luminescence efficiency. Oregon green 488 azide, as a streptavidin conjugate, is used for flow cytometry staining of macrophages .

HY-159102

PVP-037.2		Azide
PVP-037.2 is a TLR7/8 agonist. PVP-037.2 can serve as an adjuvant to enhance vaccine-induced T_H1 type immune responses, increasing the production of antigen-specific antibodies IgG1 and IgG2c .

Cat. No.	Product Name		Classification

HY-170333

Lipid A-11 CICL1		Cationic Lipids
Lipid A-11 (Compound A-11) (CICL1) is an ionizable cationic lipid. Lipid A-11 can be used to prepare lipid nanoparticles. Lipid A-11 can be used in research involving T cell-targeted transfection .

HY-N0626A

Potassium sorbate Sorbic acid potassium		Others
Potassium sorbate (Sorbic acid potassium) is an antibacterial preservative effective against most molds, yeasts, and some bacterial species. Potassium sorbate inhibits microbial growth. Potassium sorbate suppresses the activity of intestinal microorganisms in zebrafish, alters the composition of intestinal flora, and reduces the levels of intestinal immune biomarkers, including *IgG, IL-1β, and TNF-α*. Potassium sorbate can be used in research on the prevention and treatment of mold, yeast, and bacterial infections .

HY-150726

ODN 1668 1 Publications Verification		CpG ODNs
ODN 1668, a class B CpG ODN (oligodeoxynucleotide), is a TLR-9 agonist. ODN 1668 has strong immune regulatory properties, can enhance the level of antibody *IgG2* subtype, promote the immune response of T cells and B cells, and can be used in the study of vaccine adjuvants. In addition, CpG ODN 1668 induces an antimicrobial immune response via a CaTLR9 dependent pathway in groupers. Sequence: 5'-tccatgacgttcctgatgct-3’ .

HY-150726C

ODN 1668 sodium 1 Publications Verification		CpG ODNs
ODN 1668 sodium, a class B CpG ODN (oligodeoxynucleotide), is a TLR-9 agonist. ODN 1668 sodium has strong immune regulatory properties, can enhance the level of antibody *IgG2* subtype, promote the immune response of T cells and B cells, and can be used in the study of vaccine adjuvants. In addition, CpG ODN 1668 sodium induces an antimicrobial immune response via a CaTLR9 dependent pathway in groupers. Sequence: 5'-tccatgacgttcctgatgct-3’ .

HY-142998

Vaxfectin		Cationic Lipids
Vaxfectin is a second-generation cationic lipid-based suspension that adjuvants effectively both pDNA and protein-based vaccines. Vaxfectin can boost the immune response against a range of pDNA-expressed pathogenic antigens in vivo. Vaxfectin can increase *IgG* titers and give rise to an IL-6 dependent enhancement of the humoral immune response without altering the Th1 type immune response. Vaxfectin can be studied for vaccine formulation .

HY-177812

Anti-hFc1 aptamer sodium		Aptamers
Anti-hFc1 aptamer sodium is an RNA aptamer that targets the Fc fragment of human IgG1 (hFc1).

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