J580 LEUPEPTIN Grade:ULTRA PURE GRADE CAS Number: 103476-89-7Synonym(s): 2-(2-acetamido-4-methylvaleramido)-N-(1-formyl-4-guanidinobutyl)-4-methylvaleramide, N-acetyl-l-leucyl-L-leucyl-L-argininal Molecular Weight: 493.62Molecular Formula: C20H38N6O4.1/2H2SO4.H2O Storage Condition: FROZEN CodeSizePriceQuantity J580-5MG J580-25MG A reversible inhibitor of cysteine proteases and serine proteases resembling trypsin. Inhibits trypsin, plasmin, papain, kallikrein, thrombin and cathepsin A and B.