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Results for "

peptide coupling

" in MedChemExpress (MCE) Product Catalog:

50

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5

Fluorescent Dyes

20

Biochemical Assay Reagents

9

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1

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3

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Targets Recommended:
Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-Y1703
    HATU

    		Biochemical Assay Reagents Others
    HATU is a third-generation uronium salt peptide coupling reagent. HATU increases the rate of peptide coupling reactions, activates amino acids, promotes peptide bond formation in both solution-phase and solid-phase synthesis, and also facilitates peptide assembly, fragment coupling, and linear peptide cyclization. HATU can promote the N-acylation of chitosan to generate amide-linked cationic derivatives with a controllable degree of substitution. HATU is commonly used in amine acylation reactions .
    HATU
  • HY-Z0275
    HOAT

    		Biochemical Assay Reagents Bacterial Infection
    HOAT is a peptide bond-forming reagent. HOAT is utilized to affect formation of peptide bonds by coupling carboxylic acids with amines. HOAt is not mutagenic in the bacterial reverse mutation test .
    HOAT
  • HY-79880
    N,N'-Carbonyldiimidazole

    1,1'-Carbonyldiimidazole

    		 MOFs Others
    N,N'-Carbonyldiimidazole (1,1'-Carbonyldiimidazole) is a highly reactive carboxylating reagent that can activate hydroxyl groups to form reactive carbonyl groups. N,N'-Carbonyldiimidazole can be used as a coupling agent and a peptide synthesis reagent .
    N,N'-Carbonyldiimidazole
  • HY-43869
    Vipivotide tetraxetan Ligand-Linker Conjugate

    PSMA-617 Ligand-Linker Conjugate

    		 ADC Linker Cancer
    Vipivotide tetraxetan Ligand-Linker Conjugate (PSMA-617 Ligand-Linker Conjugate) is a complex composed of pharmacophore group Glutamate-urea-Lysine peptide coupling linker, which can be used to synthesize Vipivotide tetraxetan (PSMA-617). Glutamate-urea-Lysine selectively binds to prostate-specific membrane antigen (PSMA) .
    Vipivotide tetraxetan Ligand-Linker Conjugate
  • HY-100138
    2-Aminoethyl-mono-amide-DOTA-tris(tBu ester)

    		Radionuclide-Drug Conjugates (RDCs) ADC Linker Cancer
    2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) is a metal chelator precursor containing a DOTA macrocyclic structure. DOTA can form highly stable complexes with metal ions (such as 68Ga, 177Lu) through four nitrogen atoms and four carboxylic acid groups to mediate targeted delivery of radionuclides. The tert-butyl ester group (tBu ester) of 2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) also protects the carboxylic acid group during synthesis, and forms a free carboxyl group after deprotection reaction for coupling with targeting molecules (such as antibodies, peptides). 2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) may be combined with tumor pre-targeting systems through bioorthogonal reactions (such as reverse electron demand Diels-Alder reaction) to study radioactive imaging or therapy of tumor tissues, and is mainly used in tumor pre-targeting research in the field of nuclear medicine .
    2-Aminoethyl-mono-amide-DOTA-tris(tBu ester)
  • HY-Y1666
    2,2′-Dipyridyl disulfide

    		Biochemical Assay Reagents Others
    2,2′-Dipyridyl disulfide is a useful reagent for the determination of sulfhydryl groups. 2,2′-Dipyridyl disulfide is a common reagent in peptide chemistry, often used in oxidation–reduction condensations to form peptide bonds or in coupling reactions to form disulfide-linked heterodimers .
    2,2′-Dipyridyl disulfide
  • HY-41456
    Ethyl 2-cyano-2-(hydroxyimino)acetate

    		Biochemical Assay Reagents Others
    Ethyl 2-cyano-2-(hydroxyimino) acetate (Oxyma) is a peptide coupling additive. Ethyl 2-cyano-2-(hydroxyimino) acetate suppresses racemization during peptide coupling and improves the coupling efficiency of both solution-phase and solid-phase peptide synthesis .
    Ethyl 2-cyano-2-(hydroxyimino)acetate
  • HY-Y0912
    HBTU

    N-HBTU

    		 Biochemical Assay Reagents Inflammation/Immunology
    HBTU (N-HBTU) is a guanidinium-based peptide coupling reagent and immunological sensitizer. HBTU can be used in combination with bases such as DIPEA (HY-130142) to complete coupling reactions, with HOBt and TMU as by-products. HBTU is a standard reagent in automated solid-phase peptide synthesis, particularly for the Fmoc/tBu strategy, which effectively promotes coupling steps, but it is not suitable for sterically hindered amino acids or dipeptide derivatives. HBTU can induce rhinitis, dermatitis, bronchial asthma and severe allergic reactions. HBTU can be used to study the pathogenesis of allergic reactions, occupational rhinitis, allergic contact dermatitis and bronchial asthma .
    HBTU
  • HY-W008558
    Fmoc-N-Me-Leu-OH

    		Amino Acid Derivatives Others
    Fmoc-N-Me-Leu-OH is an N-Fmoc-N-methyl amino acid that can be used in peptide coupling reactions. Fmoc-N-Me-Leu-OH is primarily used as a standard building block in solid-phase peptide synthesis (SPPS) to introduce N-methylleucine residues into peptide chains, thereby enhancing the enzymatic stability, altering conformational flexibility, and modifying the biological activity of the target peptide .
    Fmoc-N-Me-Leu-OH
  • HY-D0177
    (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate

    Benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate

    		 Biochemical Assay Reagents Others
    (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate (Benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate) is a peptide coupling reagent and BOP analog. (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate promotes the reaction of amino and carboxyl groups to form peptide bonds. (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate can be used in the synthesis of peptide compounds .
    (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate
  • HY-168940B
    NH2-PEG2000-COOH

    		Drug Intermediate Cancer
    NH2-PEG2000-COOH is a heterofunctional polyethylene glycol with one amino terminal group and one carboxyl terminal group. NH2-PEG2000-COOH reacts with N-succinimidyl-6-maleimidohexanoate to introduce a maleimide terminal group, followed by conjugation with thiolated RGD peptide via a thiol-maleimide coupling reaction to synthesize RGD-PEG-COOH. NH2-PEG2000-COOH can be used in cancer research .
    NH2-PEG2000-COOH
  • HY-147168
    Biocytin hydrazide

    		Biochemical Assay Reagents Others
    Biocytin hydrazide is a long-chain biotin-containing hydrazide, serving as a biotin-derived active coupling reagent, selective labeling agent and biotinylating reagent. Biocytin hydrazide targets aldehyde, carboxyl, amino and guanidino groups to biotinylate glycoconjugates, K99 lectin, peptides and proteins through its hydrazide moiety, and achieves nonradioactive detection of sialic acid- and galactose-containing glycoconjugates via the avidin–biotin system .
    Biocytin hydrazide
  • HY-Y0973
    BOP hexafluorophosphate

    		Biochemical Assay Reagents Drug Intermediate Others
    BOP hexafluorophosphate is a phosphonium-type condensing agent. BOP hexafluorophosphate activates the carboxylic acid component to form a highly reactive O-benzotriazole ester (active ester) intermediate, which then reacts with the amino component to form an amide bond (peptide bond). BOP hexafluorophosphate is applicable to solid-phase polypeptide synthesis and nucleoside modification .
    BOP hexafluorophosphate
  • HY-107783
    Sulfo-GMBS

    		Biochemical Assay Reagents Others
    Sulfo-GMBS is a crosslinker widely used in chemical modification and coupling reactions of proteins and peptides. Among amine-thiol crosslinkers, Sulfo-GMBS generates the largest number of crosslinks and covers most of the crosslinks identified by AMAS and GMBS .
    Sulfo-GMBS
  • HY-W011412
    TSTU

    		Biochemical Assay Reagents Others
    TSTU is used as a coupling reagent in peptide chemistry. TSTU can convert carboxylic acids into the corresponding N-hydroxysuccinimidyl (NHS) esters. TSTU can be applied to the attachment of labels to peptides, proteins, etc .
    TSTU
  • HY-W010986
    Fmoc-N-Me-Phe-OH

    		Drug Intermediate Others
    Fmoc-N-Me-Phe-OH is an N-methylated amino acid that can be used for the synthesis of some active compounds .
    Fmoc-N-Me-Phe-OH
  • HY-P5345
    KLA peptide

    		Apoptosis Antibiotic Caspase Mitochondrial Metabolism Cardiovascular Disease Infection Neurological Disease Metabolic Disease
    KLA peptide is a naturally occurring Antibiotic peptide that is nontoxic outside of cells but is toxic when it enters into the interior of targeted cells. KLA peptide can induce cell Apoptosis by disrupting mitochondrial membranes and activating Caspase. MG1-KLA, formed by the coupling of KLA peptide with MG1, can selectively induce apoptosis in pro-inflammatory microglia. KLA peptide can be used for the research of liver fibrosis. KLA peptide can be used for the research of neonatal hypoxic-ischemic encephalopathy.
    KLA peptide
  • HY-W024615
    Me-diazirine-cooh

    3-(3-Methyl-3H-diazirin-3-yl)propanoic acid

    		 Drug Intermediate Biochemical Assay Reagents Others
    Me-diazirine-cooh (3-(3-Methyl-3H-diazirin-3-yl) propanoic acid) is a molecular building block containing an aliphatic diazirine ring. Me-diazirine-cooh undergoes orthogonal coupling in solid-phase peptide synthesis to introduce the Diazirine group into collagen-mimetic peptides. Me-diazirine-cooh is used to construct the photoaffinity probe P1 .
    Me-diazirine-cooh
  • HY-W441014B
    DSPE-PEG20000-NHS ammonium

    		Biochemical Assay Reagents Others
    DSPE-PEG20000-NHS ammonium is one of the most commonly used reactive phospholipids for coupling antibodies, proteins, peptides or other substrates to the surface of liposomes and other lipid PEG nanoparticles .
    DSPE-PEG20000-NHS ammonium
  • HY-151782
    H-(Gly)3-Lys(N3)-OH

    		ADC Linker Others
    The azide function is widely used for coupling to alkyne-containing fragments via the renowned Click reaction. Polyglycine fragments containing up to 7 glycines are reported to bind to surfaces and have potential application in nanotechnology constructs: constructs of Gly7-NHCH2-fragment containing peptides bind on mica surface in aqueous solution . It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing alkyne groups. It can also undergo ring strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.
    H-(Gly)3-Lys(N3)-OH
  • HY-W441014A
    DSPE-PEG10000-NHS ammonium

    		Biochemical Assay Reagents Others
    DSPE-PEG10000-NHS ammonium is one of the most commonly used reactive phospholipids for coupling antibodies, proteins, peptides or other substrates to the surface of liposomes and other lipid PEG nanoparticles .
    DSPE-PEG10000-NHS ammonium
  • HY-W283556
    DO2A-tert-butyl ester

    		Biochemical Assay Reagents Cancer
    DO2A-tert-butyl ester is a bifunctional chelator (BFC) that can be used for the coupling of peptides and radionuclides. DO2A-tert-butyl ester can be used in the development of radionuclide imaging tracers .
    DO2A-tert-butyl ester
  • HY-174358D
    HOOC-PEG10000-COOH

    		Biochemical Assay Reagents Others
    HOOC-PEG10000-COOH has two active carboxyl groups at both ends, which can selectively react with the amino groups in peptide coupling agents. HOOC-PEG10000-COOH is a good cross-linking agent for PEGylation of proteins and peptides, nanoparticles and surface modification .
    HOOC-PEG10000-COOH
  • HY-79880R
    N,N'-Carbonyldiimidazole (Standard)

    1,1'-Carbonyldiimidazole (Standard)

    		 Biochemical Assay Reagents Reference Standards Others
    N,N'-Carbonyldiimidazole (Standard) (1,1'-Carbonyldiimidazole (Standard)) is the analytical standard of N,N'-Carbonyldiimidazole (HY-79880). This product is intended for research and analytical applications. N,N'-Carbonyldiimidazole (1,1'-Carbonyldiimidazole) is a highly reactive carboxylating reagent that can activate hydroxyl groups to form reactive carbonyl groups. N,N'-Carbonyldiimidazole can be used as a coupling agent and a peptide synthesis reagent .
    N,N'-Carbonyldiimidazole (Standard)
  • HY-118112
    4-N-Maleimidobenzoicacid-NHS

    		Biochemical Assay Reagents Others
    4-N-Maleimidobenzoicacid-NHS is a PEG linker that finds utility in bioconjugation endeavors and protein labeling ventures. Specifically designed for selective reaction with thiol groups, the maleimide group establishes covalent linkages, thereby facilitating the coupling of proteins, peptides, or diverse molecules to thiol-bearing biomolecules. The NHS ester is able to react specifically and efficiently with primary amines (e.g. the side chain of lysine residues or aminosilane-coated surfaces) at neutral or slightly basic conditions to form a covalent bond.
    4-N-Maleimidobenzoicacid-NHS
  • HY-148031
    MC-Ala-Ala-Asn-PAB-PNP

    		ADC Linker Others
    MC-Ala-Ala-Asn-PAB-PNP is a peptide, can be used to synthesize specifically activated micromolecular target coupling body .
    MC-Ala-Ala-Asn-PAB-PNP
  • HY-120286
    K-13

    		Drug Intermediate Others
    K-13 is a cyclic peptide compound synthesized by a specific organozinc reagent. Its synthesis process involves intermolecular and intramolecular Negishi cross-coupling reactions and is one of the shortest routes reported for the synthesis of such cyclic peptides.
    K-13
  • HY-174358A
    HOOC-PEG2000-COOH

    		Biochemical Assay Reagents Others
    HOOC-PEG2000-COOH has two active carboxyl groups at both ends, which can selectively react with the amino groups in peptide coupling agents. HOOC-PEG2000-COOH is a good cross-linking agent for PEGylation of proteins and peptides, nanoparticles and surface modification .
    HOOC-PEG2000-COOH
  • HY-174358E
    HOOC-PEG20000-COOH

    		Biochemical Assay Reagents Others
    HOOC-PEG20000-COOH has two active carboxyl groups at both ends, which can selectively react with the amino groups in peptide coupling agents. HOOC-PEG20000-COOH is a good cross-linking agent for PEGylation of proteins and peptides, nanoparticles and surface modification .
    HOOC-PEG20000-COOH
  • HY-149117
    AF430 NHS ester

    		Fluorescent Dye Others
    AF430 NHS ester is an AF 430 maleimide is a derivative of the yellow fluorescent dye AF 430. AF430 has an excitation wavelength of 425 nm and an emission wavelength of 542 nm. AF430 NHS ester can be uesd for the labeling of amino-groups in peptides, proteins, and oligonucleotides. To achieve specific coupling of dye labels and biomolecules .
    AF430 NHS ester
  • HY-130282
    Ianthelliformisamine C ditrifluoroacetate

    		Bacterial Infection
    Ianthelliformisamine C ditrifluoroacetate is an antibiotic enhancer with activity against resistant Gram-negative bacteria. Ianthelliformisamine C ditrifluoroacetate has been shown to improve the efficacy of doxycycline against Pseudomonas aeruginosa. Ianthelliformisamine C ditrifluoroacetate was prepared using peptide coupling, resulting in high chemical yields of 27 to 91%. Ianthelliformisamine C ditrifluoroacetate exhibits its mechanism of action by inducing ATP efflux and causing membrane depolarization in bacterial cells.
    Ianthelliformisamine C ditrifluoroacetate
  • HY-P10306
    Cys-LL37

    		Bacterial Infection
    Cys-LL37 is a biomaterial with antimicrobial properties developed by covalently fixing to the surface of titanium. Cys-LL37 uses a flexible hydrophilic polyethylene glycol spacer and selective n-terminal coupling LL37, a surface peptide layer that kills bacteria on contact is formed. Cys-LL37 can be used in research to develop new antimicrobial biomaterials .
    Cys-LL37
  • HY-174961C
    Fmoc-PEG5000-Maleimide

    Fmoc-NH-PEG5000-Mal

    		 Biochemical Assay Reagents Others
    Fmoc-PEG5000-Maleimide (Fmoc-NH-PEG5000-Mal) is a PEG derivative with an Fmoc protecting group and a Maleimide (HY-W007324) reactive group. Fmoc is a commonly used amino protecting group that protects the amino group from unwanted reactions until it is removed for a specific coupling reaction. Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups. PEG modification can improve solubility and stability and reduce the immunogenicity of proteins and peptides .
    Fmoc-PEG5000-Maleimide
  • HY-174961
    Fmoc-PEG1000-Maleimide

    Fmoc-NH-PEG1000-Mal

    		 Biochemical Assay Reagents Others
    Fmoc-PEG1000-Maleimide (Fmoc-NH-PEG1000-Mal) is a PEG derivative with an Fmoc protecting group and a Maleimide (HY-W007324) reactive group. Fmoc is a commonly used amino protecting group that protects the amino group from unwanted reactions until it is removed for a specific coupling reaction. Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups. PEG modification can improve solubility and stability and reduce the immunogenicity of proteins and peptides .
    Fmoc-PEG1000-Maleimide
  • HY-D2747
    BP Fluor 405 acid

    		Fluorescent Dye Others
    BP Fluor 405 acid is a water-soluble, blue-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 conjugates are pH-insensitive from pH 4 to pH 10. The carboxylic acid of BP Fluor 405 is a reagent of choice for the preparation of custom activated esters that often are not commercially available. Examples of such activated esters include sulfo-NHS, TFP (2,3,5,6-Tetrafluorophenol), and STP (4-Sulfo-2,3,5,6-Tetrafluorophenol, Sodium Salt). Another common application for the non-activated carboxylic acid is peptide modification during solid phase synthesis, which usually requires in-situ activation with peptide coupling regents, e.g. HATU. BP Fluor 405 acid is also often used for control experiments, and for calibration.
    BP Fluor 405 acid
  • HY-W441014C
    DSPE-PEG40000-NHS ammonium

    		Biochemical Assay Reagents Others
    DSPE-PEG40000-NHS ammonium is one of the most commonly used reactive phospholipids for coupling antibodies, proteins, peptides or other substrates to the surface of liposomes and other lipid PEG nanoparticles .
    DSPE-PEG40000-NHS ammonium
  • HY-P5345A
    KLA peptide acetate

    		Apoptosis Antibiotic Caspase Mitochondrial Metabolism Cardiovascular Disease Infection Neurological Disease Metabolic Disease
    KLA peptide acetate is a naturally occurring Antibiotic peptide that is nontoxic outside of cells but is toxic when it enters into the interior of targeted cells. KLA peptide acetate can induce cell Apoptosis by disrupting mitochondrial membranes and activating Caspase. MG1-KLA acetate, formed by the coupling of KLA peptide acetate with MG1, can selectively induce apoptosis in pro-inflammatory microglia. KLA peptide acetate can be used for the research of liver fibrosis. KLA peptide acetate can be used for the research of neonatal hypoxic-ischemic encephalopathy .
    KLA peptide acetate
  • HY-174358C
    HOOC-PEG5000-COOH

    		Biochemical Assay Reagents Others
    HOOC-PEG5000-COOH has two active carboxyl groups at both ends, which can selectively react with the amino groups in peptide coupling agents. HOOC-PEG5000-COOH is a good cross-linking agent for PEGylation of proteins and peptides, nanoparticles and surface modification .
    HOOC-PEG5000-COOH
  • HY-174358
    HOOC-PEG1000-COOH

    		Biochemical Assay Reagents Others
    HOOC-PEG1000-COOH has two active carboxyl groups at both ends, which can selectively react with the amino groups in peptide coupling agents. HOOC-PEG1000-COOH is a good cross-linking agent for PEGylation of proteins and peptides, nanoparticles and surface modification .
    HOOC-PEG1000-COOH
  • HY-174358H
    HOOC-PEG40000-COOH

    		Biochemical Assay Reagents Others
    HOOC-PEG40000-COOH has two active carboxyl groups at both ends, which can selectively react with the amino groups in peptide coupling agents. HOOC-PEG40000-COOH is a good cross-linking agent for PEGylation of proteins and peptides, nanoparticles and surface modification .
    HOOC-PEG40000-COOH
  • HY-174358B
    HOOC-PEG3400-COOH

    		Biochemical Assay Reagents Others
    HOOC-PEG3400-COOH has two active carboxyl groups at both ends, which can selectively react with the amino groups in peptide coupling agents. HOOC-PEG3400-COOH is a good cross-linking agent for PEGylation of proteins and peptides, nanoparticles and surface modification .
    HOOC-PEG3400-COOH
  • HY-D3049
    5(6)-carbonylated rhodamine 110 NHS ester

    		Fluorescent Dye Others
    5(6)-carbonylated rhodamine 110 NHS ester is a reactive ester fluorescent reagent based on 5(6)-carbonylated rhodamine 110. NHS ester is a highly reactive ester capable of covalently coupling with primary amine groups in molecules such as proteins, peptides, amino sugars, and nucleic acids to form stable amide bonds (Ex/Em = 502/527 nm).
    5(6)-carbonylated rhodamine 110 NHS ester
  • HY-D3050
    5(6)-carbonylated rhodamine 110 X NHS ester

    		Fluorescent Dye Others
    5(6)-carbonylated rhodamine 110 X NHS ester is a reactive ester fluorescent reagent based on 5(6)-carbonylated rhodamine 110 X. NHS ester is a highly reactive ester capable of covalently coupling with primary amine groups in molecules such as proteins, peptides, amino sugars, and nucleic acids to form stable amide bonds (Ex/Em = 496/522 nm).
    5(6)-carbonylated rhodamine 110 X NHS ester
  • HY-D3053
    5(6)-Rhodamine 6G NHS ester

    		Fluorescent Dye Others
    5(6)-Rhodamine 6G NHS ester is a reactive ester fluorescent reagent based on Rhodamine 6G (HY-D0309). NHS ester is a highly reactive ester capable of covalently coupling with primary amine groups in molecules such as proteins, peptides, amino sugars, and nucleic acids to form stable amide bonds (Ex/Em = 526/547 nm).
    5(6)-Rhodamine 6G NHS ester
  • HY-120925
    TRV0109101

    		Opioid Receptor Arrestin Neurological Disease
    TRV0109101 is a μ-opioid peptide receptor (MOPR) selective agonist (KD = 70 nM) with blood-brain barrier permeability. TRV0109101 selectively promotes G protein signaling pathway coupling while reducing the recruitment of β-arrestin. TRV0109101 inhibits opioid-induced mechanical hyperalgesia and induces antinociceptive tolerance. TRV0109101 is applicable for pain-related research .
    TRV0109101
  • HY-P5423D
    Ahx-GALA-Cys

    		Exosomes Others
    Ahx-GALA-Cys is a GALA peptide (HY-P5423) derivative with an N-terminal 6-aminohexanoic acid (Ahx) linker and a C-terminal cysteine residue. Ahx-GALA-Cys possesses strong covalent coupling capacity, which can be used to conjugate fluorophores and targeting ligands for investigating the surface functionalization of small extracellular vesicles (sEV) and lysosomal escape .
    Ahx-GALA-Cys
  • HY-174961B
    Fmoc-PEG3400-Maleimide

    Fmoc-NH-PEG3400-Mal

    		 Biochemical Assay Reagents Others
    Fmoc-PEG3400-Maleimide (Fmoc-NH-PEG3400-Mal) is a PEG derivative with an Fmoc protecting group and a Maleimide (HY-W007324) reactive group. Fmoc is a commonly used amino protecting group that protects the amino group from unwanted reactions until it is removed for a specific coupling reaction. Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups. PEG modification can improve solubility and stability and reduce the immunogenicity of proteins and peptides .
    Fmoc-PEG3400-Maleimide
  • HY-174961A
    Fmoc-PEG2000-Maleimide

    Fmoc-NH-PEG2000-Mal

    		 Biochemical Assay Reagents Others
    Fmoc-PEG2000-Maleimide (Fmoc-NH-PEG2000-Mal) is a PEG derivative with an Fmoc protecting group and a Maleimide (HY-W007324) reactive group. Fmoc is a commonly used amino protecting group that protects the amino group from unwanted reactions until it is removed for a specific coupling reaction. Maleimide forms a stable thioether bond with sulfhydryl (-SH) groups. PEG modification can improve solubility and stability and reduce the immunogenicity of proteins and peptides .
    Fmoc-PEG2000-Maleimide
  • HY-108010
    Aftobetin

    		Amyloid-β Neurological Disease
    Aftobetin is a non-invasive molecular probe used for the early diagnosis of Alzheimer's disease (AD). Aftobetin can specifically bind to the aggregated β-amyloid peptide (Aβ) in the lens of the eye, enabling the early diagnosis of AD through a rapid and painless detection method .
    Aftobetin
  • HY-100138R
    2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) (Standard)

    		Radionuclide-Drug Conjugates (RDCs) ADC Linker Reference Standards Cancer
    2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) (Standard) is the analytical standard of 2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) (HY-100138). This product is intended for research and analytical applications. 2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) is a metal chelator precursor containing a DOTA macrocyclic structure. DOTA can form highly stable complexes with metal ions (such as 68Ga, 177Lu) through four nitrogen atoms and four carboxylic acid groups to mediate targeted delivery of radionuclides. The tert-butyl ester group (tBu ester) of 2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) also protects the carboxylic acid group during synthesis, and forms a free carboxyl group after deprotection reaction for coupling with targeting molecules (such as antibodies, peptides). 2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) may be combined with tumor pre-targeting systems through bioorthogonal reactions (such as reverse electron demand Diels-Alder reaction) to study radioactive imaging or therapy of tumor tissues, and is mainly used in tumor pre-targeting research in the field of nuclear medicine .
    2-Aminoethyl-mono-amide-DOTA-tris(tBu ester) (Standard)

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