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Results for "

peptide bonds

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Amino Acid Derivatives (3) Aminopeptidase (1) Angiotensin-converting Enzyme (ACE) (2) Antibiotic (1) Bacterial (2) Biochemical Assay Reagents (59) Endogenous Metabolite (12) Endonuclease (1) Fluorescent Dye (4) HIV (2) Isotope-Labeled Compounds (1) Liposome (6) MMP (2) MOFs (2) NO Synthase (1) Orexin Receptor (OX Receptor) (1) Phospholipase (1) PROTAC Linkers (3) Proteasome (1) Reference Standards (2) SARS-CoV (2) Ser/Thr Protease (2) Sigma Receptor (1) Sodium Channel (1)
By Research Areas:	Cancer (11) Infection (8) Inflammation/Immunology (3) Metabolic Disease (14) Neurological Disease (2)
Oligonucleotides:	Pegylated Lipids (6) Polymers (1)

101

Inhibitors & Agonists

Screening Libraries

Fluorescent Dyes

Biochemical Assay Reagents

Peptides

Isotope-Labeled Compounds

Oligonucleotides

Targets Recommended: RXFP Receptor Formyl Peptide Receptor (FPR) Peptide-Drug Conjugates (PDCs) Natriuretic Peptide Receptor (NPR) Connective Peptide CGRP Receptor Amyloid-β

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D0178

1-Ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride Maximum Cited Publications 12 Publications Verification	Biochemical Assay Reagents	Others
1-Ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride is a carbodiimide reagent that can form nucleic acid and compounds with amide bonds. 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride accelerates the formation reaction of esters, amides, and peptides, as a condensing and dehydrating agent, which are often used for polynucleotide synthesis, anhydroxydation, lactonization and esterification .

HY-O0004

Collagenase I, from Clostridium histolyticum 1 Publications Verification	MMP	Metabolic Disease
Collagenases are enzymes that break the peptide bonds in collagen. Collagenases are derived from the Clostridium histolyticum. Collagenases (Type I) are proteolytic enzymes that break peptide bonds in collagen and can be used for tissue digestion and dissociation.

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 .

HY-P1748

Thermolysin, Bacillus thermoproteolyticus rokko 3 Publications Verification EC 3.4.24.27; TML	Endogenous Metabolite	Infection
Thermolysin, Bacillus thermoproteolyticus rokko (EC 3.4.24.27) (TML) is a thermostable neutral metalloproteinase enzyme secreted by the Gram-positive bacteria Bacillus thermoproteolyticus. Thermolysin catalyzes the hydrolysis of peptide bonds containing hydrophobic residues . Optimal pH: 8.0. Considerably stable from pH 5 to 9.5. Optimal temperature : 70 °C

HY-166648

DSPE-PEG2000-Maleimide sodium (purity>99%) 1 Publications Verification	Liposome	Cancer
DSPE-PEG2000-Maleimide sodium (purity>99%) is a functional lipid component and a thiol-reactive crosslinker. DSPE-PEG2000-Maleimide sodium (purity>99%) undergoes Michael addition with the thiol groups of thiolated or cyclic RGD peptides to form stable thioether bonds and DSPE-PEG2000-RGD. DSPE-PEG2000-Maleimide sodium (purity>99%) is applicable to research on drug delivery .

HY-B2228

Proteinase, Aspergillus oryzae 1 Publications Verification	Biochemical Assay Reagents	Cancer
Proteinase, Aspergillus oryzae is a serine protease that hydrolyzes peptide bonds in protein substrates, preferring alkaline conditions (optimal pH 10.5). It efficiently degrades casein, poly-L-glutamic acid, and poly-L-lysine, with activity irreversibly inhibited by diisopropylfluorophosphate (DFP) and potato inhibitor. This enzyme catalyzes proteolysis via serine residues in its active site, finding applications in food processing (e.g., soy sauce fermentation), detergents, and leather industries due to its high yield in solid-state fermentation and cost-effective production.

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 .

HY-E70200

Recombinant Kex2 protease	Ser/Thr Protease	Others
Recombinant Kex2 protease is a membrane-bound, Ca ²⁺-dependent serine protease. Recombinant Kex2 protease specifically recognize and cleave the carboxyl-terminal peptide bonds of dibasic amino acids .

HY-W591424

m-PEG2000-NHS ester mPEG2000-SC; mPEG2000-Succinimidyl ester	Biochemical Assay Reagents MMP	Cancer
m-PEG2000-NHS ester (mPEG2000-SC) is a reagent with both cell adhesion inhibition and peptide conjugation functions. The NHS ester group of m-PEG2000-NHS ester forms stable amide bonds with primary amine-containing molecules (e.g., the N-terminus of MMP-2-cleavable octapeptide) to generate mPEG-peptide intermediates for liposome surface modification. When m-PEG2000-NHS ester is immobilized on a cystamine-modified gold surface, it can construct an in vitro model for cell adhesion kinetic studies, and higher PEG density and thicker layers correlate with lower cell adhesion rates. m-PEG2000-NHS ester can synthesize MMP-2-responsive PEGylated lipid conjugates to achieve MMP-triggered dePEGylation in the tumor microenvironment. m-PEG2000-NHS ester can be used in studies related to colon cancer and other conditions .

HY-P2746

Carboxypeptidase B, Porcine pancreas EC 3.4.2.2	Endogenous Metabolite	Metabolic Disease
Carboxypeptidase B, Porcine pancreas (EC 3.4.2.2) is a peptide exonuclease that can specifically degrade peptide chains. Carboxypeptidase B is progressively degraded from the C-terminal to release free amino acids. Carboxypeptidase B hydrolyzes only peptide bonds with basic amino acids (such as arginine and lysine) as C-terminal residues .

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 .

HY-W015236

H-Gly-Gly-Gly-OH Triglycine	Biochemical Assay Reagents	Others
H-Gly-Gly-Gly-OH, also known as Triglycine, is a tripeptide composed of glycine, glycine and glycine, which are linked by peptide bonds. Often used as a model compound in the study of protein structure and function. Glycylglycylglycine also acts as a neurotransmitter in the central nervous system and has been shown to have antioxidant properties. Furthermore, it may have potential research roles in various diseases such as cancer, diabetes and neurodegenerative diseases.

HY-149449

Poly-L-γ-glutamic acid sodium	Amino Acid Derivatives	Cancer
Poly-L-γ-glutamic acid sodium is a macromolecular polymer formed by the linkage of glutamic acid residues via peptide bonds between γ-amino and carboxyl groups. Poly-L-γ-glutamic acid sodium plays an important role as a carrier material in compound delivery systems. Poly-L-γ-glutamic acid sodium can deliver Paclitaxel (HY-B0015) to colon cancer cells, reduce cell viability and inhibit the growth of colon cancer spheroids. Poly-L-γ-glutamic acid sodium can be used as a carrier material and in studies related to colon cancer in mice .

HY-P3208B

Endoproteinase Lys-C (MS grade)	Biochemical Assay Reagents	Others
Endoproteinase Lys-C (MS grade) is a hydrolase that cleaves peptide bonds at the carboxyl side of lysine residues. Endoproteinase Lys-C (MS grade) causes non-specific hydrolysis of peptide bonds linked to the carboxyl groups of non-lysine residues, resulting in partial cleavage at these sites .

HY-P2838

Creatininase, Microorganism Creatinine amidohydrolase; CAH	Endogenous Metabolite	Metabolic Disease
Creatininase, Microorganism (Creatinine amidohydrolase; CAH), namely creatinine amidohydrolase, from Pseudomonas putida, is a homohexameric enzyme commonly used in biochemical research. Creatininase acts on carbon-nitrogen bonds other than peptide bonds, and can catalyze the hydrolysis of creatinine to creatine, which can then be metabolized by creatinase to urea and sarcosine .

HY-P2895

Clostripain Clostridiopeptidase B	Endogenous Metabolite	Others
Clostripain (Clostridiopeptidase B) is a thiol protease isolated from Clostridium histolyticum. Clostripain exhibits proteolytic activity as well as amidase-esterase activity. The specificity of Clostripain is primarily restricted to arginine residues, but it also shows minor hydrolytic activity toward most lysine-containing substrates. Clostripain catalyzes the ammonolysis of Carbobenzoxyarginyl methyl ester to generate various dipeptides .

HY-E70201

Carboxypeptidase B (MS grade) EC 3.4.2.2 (MS grade)	Endogenous Metabolite	Others
Carboxypeptidase B (MS grade) is a peptide exonuclease that can specifically degrade peptide chains. Carboxypeptidase B (MS grade) is progressively degraded from the C-terminal to release free amino acids. Carboxypeptidase B (MS grade) hydrolyzes only peptide bonds with basic amino acids (such as arginine and lysine) as C-terminal residues .

HY-E70574

Trypsin/Lys-C complex protease (MS grade)	Biochemical Assay Reagents	Others
Trypsin/Lys-C complex protease (MS grade) combines Trypsin and Lys-C, two recombinant proteases, to achieve efficient peptide bond hydrolysis. Trypsin specifically cleaves the C-terminal peptide bonds of arginine (R) and lysine (K), while Lys-C specifically cleaves the C-terminal peptide bonds of lysine (K). This combination overcomes issues such as the slower digestion rate of lysine and arginine by rTrypsin, PTM changes on lysine, or hydrophobic C-termini (such as proline) that can lead to missed cleavage. Trypsin/Lys-C complex protease (MS grade) can be used to process complex protein samples that are difficult to enzymatically digest. Trypsin/Lys-C complex protease (MS grade) can be used for protein characterization, single-cell proteomics and large cohort proteomics studies.

HY-W090942

Z-Gly-Gly-Phe-OH	Endogenous Metabolite Sodium Channel	Others
Z-Gly-Gly-Phe-OH is a substrate for pepsin and thermolysin. Z-Gly-Gly-Phe-OH has an IC₅₀ of 15.8 μM for open sodium channels under pepsin catalysis. Z-Gly-Gly-Phe-OH forms peptide bonds with amine components (such as H-Leu-NHPh) through enzyme-catalyzed condensation reactions, and is active as an intermediate in peptide synthesis .

HY-D1085

AMCA-X SE	Fluorescent Dye	Others
AMCA-X-SE is a coumarin derivative that generates fixed blue fluorescence and an NHS-activated ester that forms stable amide bonds with primary amine groups. It is used as a reactive dye for labeling amino groups of peptides, proteins, and oligonucleotides. Maximum excitation/emission wavelength: 354/442 nm .

HY-P2980

Carboxypeptidase A, Bovine pancreas EC 3.4.2.1	Endogenous Metabolite	Others
Carboxypeptidase A, Bovine pancreas (EC 3.4.2.1) is a zinc-containing metalloprotease, is often used in biochemical studies. Carboxypeptidase A catalyzes the hydrolysis of the peptide bonds that are adjacent to the C-terminal end of a polypeptide chain. Carboxypeptidase A is a prototypical enzyme for metalloproteases that plays important roles in biological systems .

HY-P2973

Aspergillopepsin I Aspergillus acid protease	Proteasome	Others
Aspergillopepsin I (Aspergillus acid protease) is a metal-containing aspartic protease that catalyzes the hydrolysis of peptide bonds in soybean 7S globulin, soybean 11S globulin and various proteins, with broad specificity. Aspergillopepsin I is intended for use in wine production, where it hydrolyzes haze-forming proteins into small peptides to prevent turbidity during storage. Aspergillopepsin I can be used in studies related to soybean protein hydrolysis and wine production .

HY-W451406C

NH2-PEG2000-NH2	PROTAC Linkers	Others
NH2-PEG2000-NH2 is a polyethylene glycol derivative containing two primary amine groups. The amino group can react quickly with activated carboxylic acid or carboxyl groups such as NHS esters to form stable amide bonds. The PEGylation of NH2-PEG-NH2 can increase solubility and stability, and reduce the immunogenicity of peptides and proteins, so it is mostly used to modify proteins, peptides and other substances.

HY-78985

Benzene-1,3,5-tricarboxylic acid Trimesic acid	MOFs Biochemical Assay Reagents	Others
Benzene-1,3,5-tricarboxylic acid (Trimesic acid) is a rigid planar small-molecule scaffold and crosslinker. Benzene-1,3,5-tricarboxylic acid induces bicyclic peptides to adopt a planar conformation, so as to maximize surface area and bind to the flat protein surfaces involved in protein-protein interactions. Benzene-1,3,5-tricarboxylic acid forms ionic crosslinks, hydrogen bonds and π-π bonds with chitosan, thereby constructing a hydrogel network. Benzene-1,3,5-tricarboxylic acid endows chitosan hydrogel systems with specific mechanical properties, enabling sustained release of cancer therapeutic drugs including 5-Fluorouracil (HY-90006) .

HY-166648A

DSPE-PEG-Maleimide ammonium (MW 2000) 1 Publications Verification	Liposome	Others
DSPE-PEG-Maleimide ammonium (MW 2000) is a functional lipid component and a thiol-reactive crosslinker. DSPE-PEG-Maleimide ammonium (MW 2000) undergoes Michael addition with the thiol groups of thiolated or cyclic RGD peptides to form stable thioether bonds and DSPE-PEG (2000)-RGD. DSPE-PEG-Maleimide ammonium (MW 2000) is applicable to research on drug delivery .

HY-131618

Hippuryl-Arg Bz-Gly-Arg	Amino Acid Derivatives	Others
Hippuryl-Arg (Bz-Gly-Arg) is a substrate used for fluorescence detection and is commonly used in biochemical studies, especially in studying enzyme activity. The phenylalanine portion of Hippuryl-Arg is connected by an aromatic side chain, which allows it to be detected under ultraviolet light. Hippuryl-Arg is used to detect enzymes that recognize and cut peptide bonds containing arginine .

HY-P3150

Recombinant Proteinase K	Ser/Thr Protease	Others
Recombinant Proteinase K is a serine protease that cleaves the carboxy-terminated peptide bonds of aliphatic and aromatic amino acids. Recombinant Proteinase K can be used to digest proteins and remove contamination from nucleic acid preparations .

HY-W012166

N-Succinimidyl bromoacetate NHS-Bromoacetate	Biochemical Assay Reagents	Infection
N-Succinimidyl bromoacetate (NHS-Bromoacetate) is a heterobifunctional crosslinking reagent, mainly used to modify the ɛ-amino group of lysine side chains. By covalently linking its bromoacetyl moiety to the ɛ-amino group of lysine in peptidomimetics, N-Succinimidyl bromoacetate enables their conjugation with thiol-modified nanoparticles via thioether bonds. N-Succinimidyl bromoacetate also performs bromoacetylation modification on carrier proteins, which then forms stable thioether bonds with the thiol groups of cysteine in peptides, thus efficiently preparing soluble peptide-protein conjugates with high substitution ratios. N-Succinimidyl bromoacetate can be used to prepare activated Sepharose derivatives for affinity chromatography, protein affinity labeling reagents, and peptide-protein immunogen conjugates with non-immunogenic linkages. N-Succinimidyl bromoacetate is applicable to studies related to HIV-1 infection and glioblastoma multiforme .

HY-E70364

IgdE protease	Biochemical Assay Reagents	Inflammation/Immunology
IgdE protease is a cysteine protease, which is initially isolated from Streptococcus agalactiae. IgdE protease digests monoclonal antibodies (mAbs) of the IgG1 type specifically at their upper hinge region, produces Fc/2, hinge peptide dimers, and Fab fragment. IgdE protease can be used in disulfide bonds and free thiol analysis, as it requires no reducing agents for cleavage .

HY-W1048555A

Mal-PEG2000-SCM	Biochemical Assay Reagents	Others
Mal-PEG2000-SCM is a heterobifunctional PEG crosslinker bearing maleimide and succinimidyl carboxymethyl ester functional groups. MMal-PEG2000-SCM conjugates the F3 peptide to nanoparticles: the SCM group reacts with amino groups on the nanoparticle surface to form amide groups, while the MAL group reacts with thiol groups of the F3 peptide to form carbon-sulfur bonds. Mal-PEG-SCM enables unidirectional addition of linkers, ensuring that appropriate functional groups are available for RGD incorporation. Mal-PEG2000-SCM can be used in the development of nanoparticles targeting specific tumor cells .

HY-P5407

HD5	SARS-CoV Angiotensin-converting Enzyme (ACE)	Infection Cancer
HD5 is an innate immune effector peptide and SARS-CoV Inhibitor. HD5 binds to the ligand-binding domain of angiotensin-converting enzyme-2 (ACE2) via multiple hydrogen bonds to competitively block the receptor, shielding it from viral recognition. HD5 can be used for the research of COVID-19, HPV16 infection, epithelial ovarian cancer, small-cell lung cancer, and colon cancer .

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-E70564

Endoproteinase Arg-C	Biochemical Assay Reagents	Others
Endoproteinase Arg-C is a serine endoproteinase that hydrolyzes peptide bonds on the carboxyl side of arginyl residues and has esterase and amidase activities. Endoproteinase Arg-C can be isolated from Clostridium histolyticum. Endoproteinase Arg-C is of mass spectrometry grade and can be used for peptide mapping, sequence analysis, cell separation .

HY-137872

L-Leucyl-4-nitroanilide hydrochloride	Biochemical Assay Reagents	Others
L-Leucyl-4-nitroanilide hydrochloride is a commonly used substrate in various biochemical assays to measure the activity of enzymes that cleave peptide bonds, such as proteases. L-Leucine p-nitroanilide hydrochloride has unique chemical properties that allow it to be cleaved by these enzymes to form a yellow product called p-nitroaniline. This makes it a useful tool for detecting and quantifying protease activity in biological samples such as blood or tissue extracts.

HY-E70565

O-Glycoprotease	Endonuclease	Inflammation/Immunology
O-Glycoprotease is an O-glycoprotein-specific endoprotease that catalyzes the hydrolysis of peptide bonds directly adjacent to the O-polymer in native mucin-type O-glycosylated proteins. O-Glycoprotease sequence is from Akkermansia muciniphila, recombinantly expressed in E.coli, with a 6×His tag at the C-terminus. The enzyme maintains high activity between pH 5.5-7.5 and is resistant to 1M NaCl, but is highly sensitive to EDTA (0.5 mM EDTA) and can be inhibited by Zn ²⁺.

HY-E70018

Picornain 3C	Endogenous Metabolite	Infection Metabolic Disease
Picornain 3C is a protease found in picornaviruses, which cleaves peptide bonds of non-terminal sequences. Picornain 3C is an intermediate between the serine peptidase chymotrypsin and the cysteine peptidase papain. Picornain 3C shows endopeptidase activity by selectively cleaving Gln-Gly bonds in the polyprotein of poliovirus and with substitution of Glu for Gln, and Ser or Thr for Gly in other picornaviruses .

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-W701082

Cyclo(leucylleucine)	Amino Acid Derivatives	Others
Cyclo(leucylleucine) is a cyclic dipeptide formed by the cyclization of two leucine molecules via peptide bonds, and it can be used in the preparation of nanomaterials .

HY-130337

Teicoplanin A2-2	Antibiotic Bacterial	Infection
Teicoplanin A2-2 is a glycopeptide antibiotic. Teicoplanin A2-2 exhibits antibacterial activity, particularly against coagulase-negative staphylococci (CNS). Teicoplanin A2-2 inhibits bacterial cell wall synthesis by competitively binding to the terminal D-Ala-D-Ala peptide bonds in the cell wall synthesis process, leading to bacterial death. Teicoplanin A2-2 can be used for research into bacterial resistance mechanisms and the development of new antibiotics .

HY-E70017

Peptidase, microorganism Erepsin; Peptidase (IMPa)	Others	Others
Peptidase (IMPa) (Erepsin) is catalytically active enzyme that cleaves peptide bonds in proteins and peptides by hydrolysis .

HY-E70628

Aspartic acid proteinase	Biochemical Assay Reagents	Others
Aspartic acid proteinase is a type of proteolytic enzyme, which is characterized by its action via two critical aspartic acid residues in the active site, which facilitate the hydrolysis of peptide bonds in proteins .

HY-W1049075E

mPEG-pALD (MW 2000)	Biochemical Assay Reagents	Others
mPEG-pALD (MW 2000) is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W1049075B

mPEG10000-Pald	Biochemical Assay Reagents	Others
mPEG10000-Pald is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W1049075D

mPEG40000-pALD	Biochemical Assay Reagents	Others
mPEG40000-pALD is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-172270D

DSPE-PEG5000-Mal-Cys-KTLLPTP	Liposome	Cancer
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-172270

DSPE-PEG1000-Mal-Cys-KTLLPTP	Liposome	Cancer
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-172270A

DSPE-PEG2000-Mal-Cys-KTLLPTP	Liposome	Cancer
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-W451406A

NH2-PEG5000-NH2	PROTAC Linkers	Others
NH2-PEG5000-NH2 is a polyethylene glycol derivative containing two primary amine groups. The amino group can react quickly with activated carboxylic acid or carboxyl groups such as NHS esters to form stable amide bonds. The PEGylation of NH2-PEG-NH2 can increase solubility and stability, and reduce the immunogenicity of peptides and proteins, so it is mostly used to modify proteins, peptides and other substances.

HY-W451406D

NH2-PEG10000-NH2	PROTAC Linkers	Others
NH2-PEG10000-NH2 is a polyethylene glycol derivative containing two primary amine groups. The amino group can react quickly with activated carboxylic acid or carboxyl groups such as NHS esters to form stable amide bonds. The PEGylation of NH2-PEG-NH2 can increase solubility and stability, and reduce the immunogenicity of peptides and proteins, so it is mostly used to modify proteins, peptides and other substances.

HY-164076

mPEG-Epoxide	Biochemical Assay Reagents	Others
mPEG-Epoxide is an activated polyethylene glycol (mPEG) derivative, which is achieved by converting the hydroxyl groups of mPEG into reactive epoxy groups. mPEG-Epoxide is a mild PEGylation reagent that reacts with amino groups in peptides and proteins to form stable secondary amine bonds. mPEG-Epoxide can be used in protein engineering and biomaterials research .

Cat. No.	Product Name

HY-L0104V

UORSY New Generation Screening Library

1,900,000 compounds

UORSY New Generation Screening Library contains about 1,900,000 compounds. The library is a revolutionary collection of lead-like molecules with outstanding structural quality and diversity—New Generation Screening Library (NGSL). Its core is decorated with interesting building blocks, including important medicinal fragments such as peptide bonds, amino groups and hydroxyl groups. and designed for discovery of new Voltage-gated calcium channel blockers.

HY-LD005

DEL D Kit Cyclic Peptide Library

1.2 billion compounds

Cyclic peptide library have advantages such as high affinity, high selectivity, and suitability for targeting protein–protein interactions. Through DEL synthesis technology, the library size can achieve hundreds of millions. DEL cyclic peptide library have advantages like low cost andhigh screeing efficiency, making them valuable for discovering lead compounds against challenging drug targets.

This cyclic peptide library is constructed with unnatural amino acids as building block, synthesized through DNA-compatible chemical reactions. Each cyclic peptide consist of six amino acids and constrained conformations such as side-chain cross-linking, disulfide bonds, and macrocyclization. These cyclic peptides exhibit significantly improved stability and druggability compared with linear peptides, filling the gap between small molecules and macromolecular biologics. Each cyclic peptide is uniquely conjugated to a DNA barcode sequence for molecular identification and sequencing decoding.

MCE’s cyclic peptide library has8 independent sub-libraries, with a total molecular diversity of 1.2 billion. It is constructed via multi-round combinatorial assembly of building blocks and diverse cyclization strategies, facilitating the discovery of cyclic peptide leads for undruggable targets.

Cat. No.	Product Name	Type

HY-D1085

AMCA-X SE	Fluorescent Dyes
AMCA-X-SE is a coumarin derivative that generates fixed blue fluorescence and an NHS-activated ester that forms stable amide bonds with primary amine groups. It is used as a reactive dye for labeling amino groups of peptides, proteins, and oligonucleotides. Maximum excitation/emission wavelength: 354/442 nm .

HY-D3049

5(6)-carbonylated rhodamine 110 NHS ester	Fluorescent Dyes
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).

HY-D3050

5(6)-carbonylated rhodamine 110 X NHS ester	Fluorescent Dyes
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).

HY-D3053

5(6)-Rhodamine 6G NHS ester	Fluorescent Dyes
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).

Cat. No.	Product Name	Type

HY-D0178

1-Ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride

Maximum Cited Publications

12 Publications Verification

Biochemical Assay Reagents

1-Ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride is a carbodiimide reagent that can form nucleic acid and compounds with amide bonds. 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride accelerates the formation reaction of esters, amides, and peptides, as a condensing and dehydrating agent, which are often used for polynucleotide synthesis, anhydroxydation, lactonization and esterification .

HY-166648

DSPE-PEG2000-Maleimide sodium (purity>99%) 1 Publications Verification	Biochemical Assay Reagents
DSPE-PEG2000-Maleimide sodium (purity>99%) is a functional lipid component and a thiol-reactive crosslinker. DSPE-PEG2000-Maleimide sodium (purity>99%) undergoes Michael addition with the thiol groups of thiolated or cyclic RGD peptides to form stable thioether bonds and DSPE-PEG2000-RGD. DSPE-PEG2000-Maleimide sodium (purity>99%) is applicable to research on drug delivery .

HY-B2228

Proteinase, Aspergillus oryzae

1 Publications Verification

Biochemical Assay Reagents

Proteinase, Aspergillus oryzae is a serine protease that hydrolyzes peptide bonds in protein substrates, preferring alkaline conditions (optimal pH 10.5). It efficiently degrades casein, poly-L-glutamic acid, and poly-L-lysine, with activity irreversibly inhibited by diisopropylfluorophosphate (DFP) and potato inhibitor. This enzyme catalyzes proteolysis via serine residues in its active site, finding applications in food processing (e.g., soy sauce fermentation), detergents, and leather industries due to its high yield in solid-state fermentation and cost-effective production.

HY-W591424

m-PEG2000-NHS ester

mPEG2000-SC; mPEG2000-Succinimidyl ester

Biochemical Assay Reagents

m-PEG2000-NHS ester (mPEG2000-SC) is a reagent with both cell adhesion inhibition and peptide conjugation functions. The NHS ester group of m-PEG2000-NHS ester forms stable amide bonds with primary amine-containing molecules (e.g., the N-terminus of MMP-2-cleavable octapeptide) to generate mPEG-peptide intermediates for liposome surface modification. When m-PEG2000-NHS ester is immobilized on a cystamine-modified gold surface, it can construct an in vitro model for cell adhesion kinetic studies, and higher PEG density and thicker layers correlate with lower cell adhesion rates. m-PEG2000-NHS ester can synthesize MMP-2-responsive PEGylated lipid conjugates to achieve MMP-triggered dePEGylation in the tumor microenvironment. m-PEG2000-NHS ester can be used in studies related to colon cancer and other conditions .

HY-D0177

(Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate

Benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate

Biochemical Assay Reagents

(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 .

HY-W015236

H-Gly-Gly-Gly-OH

Triglycine

Biochemical Assay Reagents

H-Gly-Gly-Gly-OH, also known as Triglycine, is a tripeptide composed of glycine, glycine and glycine, which are linked by peptide bonds. Often used as a model compound in the study of protein structure and function. Glycylglycylglycine also acts as a neurotransmitter in the central nervous system and has been shown to have antioxidant properties. Furthermore, it may have potential research roles in various diseases such as cancer, diabetes and neurodegenerative diseases.

HY-149449

Poly-L-γ-glutamic acid sodium

Biochemical Assay Reagents

Poly-L-γ-glutamic acid sodium is a macromolecular polymer formed by the linkage of glutamic acid residues via peptide bonds between γ-amino and carboxyl groups. Poly-L-γ-glutamic acid sodium plays an important role as a carrier material in compound delivery systems. Poly-L-γ-glutamic acid sodium can deliver Paclitaxel (HY-B0015) to colon cancer cells, reduce cell viability and inhibit the growth of colon cancer spheroids. Poly-L-γ-glutamic acid sodium can be used as a carrier material and in studies related to colon cancer in mice .

HY-78985

Benzene-1,3,5-tricarboxylic acid

Trimesic acid

Biochemical Assay Reagents

Benzene-1,3,5-tricarboxylic acid (Trimesic acid) is a rigid planar small-molecule scaffold and crosslinker. Benzene-1,3,5-tricarboxylic acid induces bicyclic peptides to adopt a planar conformation, so as to maximize surface area and bind to the flat protein surfaces involved in protein-protein interactions. Benzene-1,3,5-tricarboxylic acid forms ionic crosslinks, hydrogen bonds and π-π bonds with chitosan, thereby constructing a hydrogel network. Benzene-1,3,5-tricarboxylic acid endows chitosan hydrogel systems with specific mechanical properties, enabling sustained release of cancer therapeutic drugs including 5-Fluorouracil (HY-90006) .

HY-W1048555A

Mal-PEG2000-SCM

Biochemical Assay Reagents

Mal-PEG2000-SCM is a heterobifunctional PEG crosslinker bearing maleimide and succinimidyl carboxymethyl ester functional groups. MMal-PEG2000-SCM conjugates the F3 peptide to nanoparticles: the SCM group reacts with amino groups on the nanoparticle surface to form amide groups, while the MAL group reacts with thiol groups of the F3 peptide to form carbon-sulfur bonds. Mal-PEG-SCM enables unidirectional addition of linkers, ensuring that appropriate functional groups are available for RGD incorporation. Mal-PEG2000-SCM can be used in the development of nanoparticles targeting specific tumor cells .

HY-137872

L-Leucyl-4-nitroanilide hydrochloride

Biochemical Assay Reagents

L-Leucyl-4-nitroanilide hydrochloride is a commonly used substrate in various biochemical assays to measure the activity of enzymes that cleave peptide bonds, such as proteases. L-Leucine p-nitroanilide hydrochloride has unique chemical properties that allow it to be cleaved by these enzymes to form a yellow product called p-nitroaniline. This makes it a useful tool for detecting and quantifying protease activity in biological samples such as blood or tissue extracts.

HY-W1049075E

mPEG-pALD (MW 2000)

Biochemical Assay Reagents

mPEG-pALD (MW 2000) is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W1049075B

mPEG10000-Pald	Biochemical Assay Reagents
mPEG10000-Pald is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W1049075D

mPEG40000-pALD	Biochemical Assay Reagents
mPEG40000-pALD is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-172270D

DSPE-PEG5000-Mal-Cys-KTLLPTP	Biochemical Assay Reagents
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-172270

DSPE-PEG1000-Mal-Cys-KTLLPTP	Biochemical Assay Reagents
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-172270A

DSPE-PEG2000-Mal-Cys-KTLLPTP	Biochemical Assay Reagents
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-W015236R

H-Gly-Gly-Gly-OH (Standard)

Triglycine (Standard)

Biochemical Assay Reagents

H-Gly-Gly-Gly-OH (Standard) is the analytical standard of H-Gly-Gly-Gly-OH. This product is intended for research and analytical applications. H-Gly-Gly-Gly-OH, also known as Triglycine, is a tripeptide composed of glycine, glycine and glycine, which are linked by peptide bonds. Often used as a model compound in the study of protein structure and function. Glycylglycylglycine also acts as a neurotransmitter in the central nervous system and has been shown to have antioxidant properties. Furthermore, it may have potential research roles in various diseases such as cancer, diabetes and neurodegenerative diseases.

HY-W1049075H

mPEG-pALD (MW 3400)

Biochemical Assay Reagents

mPEG-pALD (MW 3400) is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W1049075C

mPEG20000-pALD	Biochemical Assay Reagents
mPEG20000-pALD is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W1049075A

mPEG5000-pALD	Biochemical Assay Reagents
mPEG5000-pALD is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W1049075

mPEG1000-pALD	Biochemical Assay Reagents
mPEG1000-pALD is an important unilaterally active PEG derivative whose reactive groups can react with amines, peptides and the N-termini of proteins to form imines containing C=N double bonds, which can be further reduced. Polyethylene glycol aldehyde or ketone derivatives can be used for reversible PEGylation by reacting with hydrazine or hydrazine to form hydrolyzed acylhydrazone bonds .

HY-W414754

2,5-Dioxopyrrolidin-1-yl methyl phthalate	Biochemical Assay Reagents
2,5-Dioxopyrrolidin-1-yl methyl phthalate is a cross-linking agent used for modification of proteins and peptides. 2,5-Dioxopyrrolidin-1-yl methyl phthalate is a reagent for introducing succinimide-activated esters that react with primary amines in proteins and peptides to form stable amide bonds.

HY-172270C

DSPE-PEG3400-Mal-Cys-KTLLPTP	Biochemical Assay Reagents
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-182833A

DPPE-PEG2000-NHS	Biochemical Assay Reagents
DPPE-PEG2000-NHS is a conjugate composed of DPPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG2000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-182833D

DPPE-PEG10000-NHS	Biochemical Assay Reagents
DPPE-PEG10000-NHS is a conjugate composed of DPPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG10000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-182833B

DPPE-PEG3400-NHS	Biochemical Assay Reagents
DPPE-PEG3400-NHS is a conjugate composed of DPPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG3400-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183104D

DSG-PEG10000-NHS	Biochemical Assay Reagents
DSG-PEG10000-NHS is a conjugate composed of DSG, PEG chains, and terminal active esters (NHS). The NHS ester in DSG-PEG10000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183104

DSG-PEG1000-NHS	Biochemical Assay Reagents
DSG-PEG1000-NHS is a conjugate composed of DSG, PEG chains, and terminal active esters (NHS). The NHS ester in DSG-PEG1000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183016

DMPE-PEG1000-NHS	Biochemical Assay Reagents
DMPE-PEG1000-NHS is a conjugate composed of DMPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG1000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183104B

DSG-PEG3400-NHS	Biochemical Assay Reagents
DSG-PEG3400-NHS is a conjugate composed of DSG, PEG chains, and terminal active esters (NHS). The NHS ester in DSG-PEG3400-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183104A

DSG-PEG2000-NHS	Biochemical Assay Reagents
DSG-PEG2000-NHS is a conjugate composed of DSG, PEG chains, and terminal active esters (NHS). The NHS ester in DSG-PEG2000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183016C

DMPE-PEG5000-NHS	Biochemical Assay Reagents
DMPE-PEG5000-NHS is a conjugate composed of DMPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG5000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183016B

DMPE-PEG3400-NHS	Biochemical Assay Reagents
DMPE-PEG3400-NHS is a conjugate composed of DMPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG3400-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-182833

DPPE-PEG1000-NHS	Biochemical Assay Reagents
DPPE-PEG1000-NHS is a conjugate composed of DPPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG1000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183104C

DSG-PEG5000-NHS	Biochemical Assay Reagents
DSG-PEG5000-NHS is a conjugate composed of DSG, PEG chains, and terminal active esters (NHS). The NHS ester in DSG-PEG5000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-182833C

DPPE-PEG5000-NHS	Biochemical Assay Reagents
DPPE-PEG5000-NHS is a conjugate composed of DPPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG5000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183016A

DMPE-PEG2000-NHS	Biochemical Assay Reagents
DMPE-PEG2000-NHS is a conjugate composed of DMPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG2000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183016D

DMPE-PEG10000-NHS	Biochemical Assay Reagents
DMPE-PEG10000-NHS is a conjugate composed of DMPE, PEG chains, and terminal active esters (NHS). The NHS ester in DMPE-PEG10000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and small molecules modified with amino groups) to form stable amide bonds, enabling targeted modification of liposomes/nanoparticles.

HY-183162A

Glucose-PEG2000-NHS

Biochemical Assay Reagents

Glucose-PEG2000-NHS is a conjugate composed of glucose, PEG chains, and an active ester (NHS). Glucose-PEG2000-NHS combines the targeted recognition capabilities of glucose with the ability to rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and amino-modified small molecules) to form stable amide bonds in an NHS ester. This allows for applications such as constructing targeted drug delivery systems and modifying nanoparticles.

HY-183162D

Glucose-PEG10000-NHS

Biochemical Assay Reagents

Glucose-PEG10000-NHS is a conjugate composed of glucose, PEG chains, and an active ester (NHS). Glucose-PEG10000-NHS combines the targeted recognition capabilities of glucose with the ability to rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and amino-modified small molecules) to form stable amide bonds in an NHS ester. This allows for applications such as constructing targeted drug delivery systems and modifying nanoparticles.

HY-183162C

Glucose-PEG5000-NHS

Biochemical Assay Reagents

Glucose-PEG5000-NHS is a conjugate composed of glucose, PEG chains, and an active ester (NHS). Glucose-PEG5000-NHS combines the targeted recognition capabilities of glucose with the ability to rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and amino-modified small molecules) to form stable amide bonds in an NHS ester. This allows for applications such as constructing targeted drug delivery systems and modifying nanoparticles.

HY-183162B

Glucose-PEG3400-NHS

Biochemical Assay Reagents

Glucose-PEG3400-NHS is a conjugate composed of glucose, PEG chains, and an active ester (NHS). Glucose-PEG3400-NHS combines the targeted recognition capabilities of glucose with the ability to rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and amino-modified small molecules) to form stable amide bonds in an NHS ester. This allows for applications such as constructing targeted drug delivery systems and modifying nanoparticles.

HY-183162

Glucose-PEG1000-NHS

Biochemical Assay Reagents

Glucose-PEG1000-NHS is a conjugate composed of glucose, PEG chains, and an active ester (NHS). Glucose-PEG1000-NHS combines the targeted recognition capabilities of glucose with the ability to rapidly covalently react with molecules containing primary amines (such as proteins, peptides, and amino-modified small molecules) to form stable amide bonds in an NHS ester. This allows for applications such as constructing targeted drug delivery systems and modifying nanoparticles.

HY-203300D

DOPE-PEG10000-NHS

Biochemical Assay Reagents

DOPE-PEG1000-NHS is a conjugate composed of DOPE, PEG chains, and terminal active ester (NHS). The NHS ester in DOPE-PEG1000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptide chains, and small molecules modified with amino groups) to form stable amide bonds, suitable for the construction of carriers requiring membrane fusion properties or pH-sensitive release (such as gene delivery systems).

HY-203300C

DOPE-PEG5000-NHS

Biochemical Assay Reagents

DOPE-PEG5000-NHS is a conjugate composed of DOPE, PEG chains, and terminal active ester (NHS). The NHS ester in DOPE-PEG5000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptide chains, and small molecules modified with amino groups) to form stable amide bonds, suitable for the construction of carriers requiring membrane fusion properties or pH-sensitive release (such as gene delivery systems).

HY-203300B

DOPE-PEG3400-NHS

Biochemical Assay Reagents

DOPE-PEG3400-NHS is a conjugate composed of DOPE, PEG chains, and terminal active ester (NHS). The NHS ester in DOPE-PEG3400-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptide chains, and small molecules modified with amino groups) to form stable amide bonds, suitable for the construction of carriers requiring membrane fusion properties or pH-sensitive release (such as gene delivery systems).

HY-203300A

DOPE-PEG1000-NHS

Biochemical Assay Reagents

HY-203300

DOPE-PEG2000-NHS

Biochemical Assay Reagents

DOPE-PEG2000-NHS is a conjugate composed of DOPE, PEG chains, and terminal active ester (NHS). The NHS ester in DOPE-PEG2000-NHS can rapidly covalently react with molecules containing primary amines (such as proteins, peptide chains, and small molecules modified with amino groups) to form stable amide bonds, suitable for the construction of carriers requiring membrane fusion properties or pH-sensitive release (such as gene delivery systems).

Cat. No.	Product Name	Target	Research Area

HY-P4617

Cyclo(-Leu-Phe)	Peptides	Others
Cyclo(-Leu-Phe) is a cyclic peptide composed of leucine and phenylalanine, forming a ring structure through peptide bonds .

HY-P1341

OXA(17-33) Orexin A (17-33) (human, mouse, rat, bovine)	Orexin Receptor (OX Receptor) Sigma Receptor Phospholipase	Neurological Disease
OXA (17-33) (Orexin A (17-33) (human, mouse, rat, bovine)) is the shortest active orexin peptide that selectively targets OX1 (EC₅₀=8.29 nM), with 23-fold selectivity for the OX1 receptor over the OX2 receptor. The activity of OXA (17-33) depends on the Tyr17, Leu20, Asn25, His26 residues and the spatial conformation of the α-helix. OXA (17-33) activates signaling pathways involving inositol-1,4,5-trisphosphate receptor (IP3R), phospholipase D (PL-D) and choline-Sigma-1R, thereby increasing the cytoplasmic Ca ²⁺ level in nucleus accumbens neurons, an effect that is blocked by Sigma-1R antagonists. OXA (17-33) serves as an important biological probe for investigating the function of the OX1 receptor. OXA (17-33) can be modified via incorporation of mixed disulfide bonds of homocysteine and cysteamine, and is widely used in studies related to insomnia and narcolepsy .

HY-P5407

HD5	SARS-CoV Angiotensin-converting Enzyme (ACE)	Infection Cancer
HD5 is an innate immune effector peptide and SARS-CoV Inhibitor. HD5 binds to the ligand-binding domain of angiotensin-converting enzyme-2 (ACE2) via multiple hydrogen bonds to competitively block the receptor, shielding it from viral recognition. HD5 can be used for the research of COVID-19, HPV16 infection, epithelial ovarian cancer, small-cell lung cancer, and colon cancer .

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-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-P5167

GsAF-1	Peptides	Inflammation/Immunology
GsAF-1 is a peptide toxin containing three disulfide bonds. GsAF-1 can be isolated from the venom of the Chilean pink tarantula. GsAF-1 can be used for research of moderate-to-severe pain .

HY-P5514

NF(N-Me)GA(N-Me)IL Amylin (22-27) [NMeG24, NMeI26], human (IAPP)	Peptides	Others
NF(N-Me)GA(N-Me)IL is a biological active peptide. (This amino acids 22 to 27 fragment is a modification of the human islet amyloid polypeptide hIAPP (NFGAIL) with N-methylation of the amide bonds at G24 and I26. The introduction of two N-methyl rests in the amyloid-core-containing sequence NFGAIL converts this amyloidogenic and cytotoxic sequence into non-amyloidogenic and non-cytotoxic peptide. The peptide is able to bind with high-affinity full-length hIAPP and to inhibit its fibrillogenesis.)

HY-P5340

Amyloid-Forming peptide GNNQQNY	Peptides	Others
Amyloid-Forming peptide GNNQQNY is a biological active peptide. (This is a heptapeptide from the N-terminal prion-determining domain of the yeast protein Sup35 that forms amyloid fibrils. The availability of its detailed atomic oligomeric structure makes it a good model for studying the early stage of aggregation. The GNNQQNY dimer forms three stable sheet structures. in-register parallel, off-register parallel, and anti-parallel. The in-register parallel dimer, which is close to the amyloid beta-sheet structure, has few interpeptide hydrogen bonds, making hydrophobic interactions more important and increasing the conformational entropy compared to the anti-parallel sheet.)

HY-P5407A

HD5 TFA	SARS-CoV Angiotensin-converting Enzyme (ACE)	Infection Cancer
HD5 TFA is an innate immune effector peptide and SARS-CoV Inhibitor. HD5 TFA binds to the ligand-binding domain of angiotensin-converting enzyme-2 (ACE2) via multiple hydrogen bonds to competitively block the receptor, shielding it from viral recognition. HD5 TFA can be used for the research of COVID-19, HPV16 infection, epithelial ovarian cancer, small-cell lung cancer, and colon cancer .

Cat. No.	Product Name	Chemical Structure

HY-78985S

Benzene-1,3,5-tricarboxylic acid-d3

Benzene-1,3,5-tricarboxylic acid-d₃ (Trimesic acid-d₃) is the deuterium labeled Benzene-1,3,5-tricarboxylic acid (HY-78985). Benzene-1,3,5-tricarboxylic acid (Trimesic acid) is a rigid planar small-molecule scaffold and crosslinker. Benzene-1,3,5-tricarboxylic acid induces bicyclic peptides to adopt a planar conformation, so as to maximize surface area and bind to the flat protein surfaces involved in protein-protein interactions. Benzene-1,3,5-tricarboxylic acid forms ionic crosslinks, hydrogen bonds and π-π bonds with chitosan, thereby constructing a hydrogel network. Benzene-1,3,5-tricarboxylic acid endows chitosan hydrogel systems with specific mechanical properties, enabling sustained release of cancer therapeutic drugs including 5-Fluorouracil (HY-90006) .

Cat. No.	Product Name		Classification

HY-166648

DSPE-PEG2000-Maleimide sodium (purity>99%) 1 Publications Verification		Pegylated Lipids
DSPE-PEG2000-Maleimide sodium (purity>99%) is a functional lipid component and a thiol-reactive crosslinker. DSPE-PEG2000-Maleimide sodium (purity>99%) undergoes Michael addition with the thiol groups of thiolated or cyclic RGD peptides to form stable thioether bonds and DSPE-PEG2000-RGD. DSPE-PEG2000-Maleimide sodium (purity>99%) is applicable to research on drug delivery .

HY-W591424

m-PEG2000-NHS ester mPEG2000-SC; mPEG2000-Succinimidyl ester		Polymers
m-PEG2000-NHS ester (mPEG2000-SC) is a reagent with both cell adhesion inhibition and peptide conjugation functions. The NHS ester group of m-PEG2000-NHS ester forms stable amide bonds with primary amine-containing molecules (e.g., the N-terminus of MMP-2-cleavable octapeptide) to generate mPEG-peptide intermediates for liposome surface modification. When m-PEG2000-NHS ester is immobilized on a cystamine-modified gold surface, it can construct an in vitro model for cell adhesion kinetic studies, and higher PEG density and thicker layers correlate with lower cell adhesion rates. m-PEG2000-NHS ester can synthesize MMP-2-responsive PEGylated lipid conjugates to achieve MMP-triggered dePEGylation in the tumor microenvironment. m-PEG2000-NHS ester can be used in studies related to colon cancer and other conditions .

HY-166648A

DSPE-PEG-Maleimide ammonium (MW 2000) 1 Publications Verification		Pegylated Lipids
DSPE-PEG-Maleimide ammonium (MW 2000) is a functional lipid component and a thiol-reactive crosslinker. DSPE-PEG-Maleimide ammonium (MW 2000) undergoes Michael addition with the thiol groups of thiolated or cyclic RGD peptides to form stable thioether bonds and DSPE-PEG (2000)-RGD. DSPE-PEG-Maleimide ammonium (MW 2000) is applicable to research on drug delivery .

HY-172270D

DSPE-PEG5000-Mal-Cys-KTLLPTP		Pegylated Lipids
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-172270

DSPE-PEG1000-Mal-Cys-KTLLPTP		Pegylated Lipids
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-172270A

DSPE-PEG2000-Mal-Cys-KTLLPTP		Pegylated Lipids
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

HY-172270C

DSPE-PEG3400-Mal-Cys-KTLLPTP		Pegylated Lipids
DSPE-PEG1000-PTP is synthesised by conjugating the amino group of plectin-1 peptide (PTP) with DSPE-PEG-NHS ester via amide bonds. DSPE-PEG1000-PTP can be used to construct drug delivery vectors .

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