MedChem Express

MedChem Express logo

MedChemExpress has an experienced team of custom synthesis chemists, led by an impressive group of Ph.D.'s. With this team, we have the capability of supporting all kinds of chemistry projects of multiple step syntheses of complex labeled molecules, including metabolites and steroids. Following scientific and technological innovation, challenging traditional thinking, MedChemExpress has always been committed to develop quality products that exceed international standards on cost and reliability, to create the most advanced synthetic route. With high experiences in preparing a large numbers of different biologically active molecules, we provide rapid synthesis of new products. That is why we can consistently deliver your custom synthesis compounds faster than any other company.

Company Website

Product Listing

Z-Gly-Pro-Arg-4MβNA | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-Gly-Pro-Arg-4MβNA is the cleavage of the substrate of thrombin to release free 4-methoxy-2-naphthylamine (4MβNA). Free 4MβNA can be captured by 5-nitrosalicylaldehyde to produce an insoluble yellow fluorescent and marks the site of thrombin activity[1].

More Information Supplier Page

Z-Gly-Pro-Phe-Leu-CHO | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-Gly-Pro-Phe-Leu-CHO (Z-GPFL-CHO) is a tetrapeptide aldehyde that acts as a highly selective and potent proteasomal inhibitor (Ki = 1.5 µM for branched chain amino acid preferring, 2.3 µM for small neutral amino acid preferring, and 40.5 µM for chymotrypsin-like activities; IC50 = 3.1 µM for peptidyl-glutamyl peptide hydrolyzing activity)[1].

More Information Supplier Page

Z-L(D-Val)G-CHN2 | MedChemExpress (MCE) 5 mg  | 99.35%

MedChem Express

Z-L(D-Val)G-CHN2 is the isoform of Z-LVG-CHN2 (HY-108137). Z-LVG-CHN2 is a cell-permeable and irreversible inhibitor of cysteine proteinase. Z-LVG-CHN2 is a tripeptide derivative and mimics part of the human cysteine proteinase-binding center. Z-LVG-CHN2 displays an inhibition on HSV whereas no significant effect on poliovirus replication. Z-LVG-CHN2 effectively blocks SARS-COV-2 replication (EC50=190 nM) via inhibition of SARS-COV-2 […]

More Information Supplier Page

Z-Leu-Arg-AMC | MedChemExpress (MCE) 1 mg  | 98.02%

MedChem Express

Z-Leu-Arg-AMC is a 4-methylcoumarinyl-7-amide (Amc) leucine derivative with carboxybenzoyl (Z). Z-Leu-Arg-AMC is the active site of cysteine proteinase trypanopain-Tb from Trypanosoma brucei brucei[1].

More Information Supplier Page

Z-Leu-Arg-AMC | MedChemExpress (MCE) 5 mg  | 98.02%

MedChem Express

Z-Leu-Arg-AMC is a 4-methylcoumarinyl-7-amide (Amc) leucine derivative with carboxybenzoyl (Z). Z-Leu-Arg-AMC is the active site of cysteine proteinase trypanopain-Tb from Trypanosoma brucei brucei[1].

More Information Supplier Page

Z-LLF-CHO | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-LLF-CHO (Z-Leu-Leu-Phe-CHO) is a potent inhibitor of the chymotrypsin-like activity of the pituitary multicatalytic proteinase complex (Ki = 460 nM). Z-LLF-CHO is also a NF-κB nuclear translocation inhibitor[1][2].

More Information Supplier Page

Z-LLY-FMK | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-LLY-FMK (Calpain Inhibitor IV) is a calpain inhibitor, involved in apoptosis of many cell systems. Z-LLY-FMK inhibits the intestine apoptosis after common bile duct ligation[1].

More Information Supplier Page

Z-LRGG-AMC | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-LRGG-AMC (Z-Leu-Arg-Gly-Gly-AMC) is a fluorescent substrate that hydrolyzes and releases free fluorescent 7-amino-4-methylcoumarin (AMC). Detection wavelength of AMC: Ex/Em=360/460 nm[1].

More Information Supplier Page

Z-LVG | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-LVG is an irreversible cysteine proteinase inhibitor. Z-LVG is a tripeptide derivative from cystatin C which can inhibit viral replication. Z-LVG can be used for virus diseases research[1].

More Information Supplier Page

Z-Phe-Ala-diazomethylketone | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-Phe-Ala-diazomethylketone binds directly to Aβ42 monomers and small oligomers. Z-Phe-Ala-diazomethylketone inhibits the formation of Aβ42 dodecamers and inhibits Aβ42 fibril formation in the solution. Z-Phe-Ala-diazomethylketone has the potential for neurodegenerative disorders research[1].

More Information Supplier Page

Z-Phe-Leu-Glu-pNA | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-Phe-Leu-Glu-pNA is a chromogenic substrate for glutamyl endopeptidases. Z-Phe-Leu-Glu-pNA has been used as a synthetic substrate in the study of proteolytic enzymes, including trypsin treatment, subtilisin and chymotrypsin. Z-Phe-Leu-Glu-pNA plays an important role in hormone disorders such as prostate cancer and breast cancer[1][2].

More Information Supplier Page

Z-Pro-Pro-aldehyde-dimethyl acetal | MedChemExpress (MCE) 1 mg  | ≥98.00%

MedChem Express

Z-Pro-Pro-aldehyde-dimethyl acetal is a potent inhibitor of prolyl endopeptidase (PREP), a cytoplasmic serine endoprotease (IC50= 12 nM). Z-Pro-Pro-aldehyde-dimethyl acetal plays an important role in cognitive dysfunction in aging and neurodegenerative diseases including Alzheimer’s disease[1][2].

More Information Supplier Page