CAS Registry Number

CAS 70967-97-4 — N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide

N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide is a synthetic peptide substrate widely used in biochemical assays to measure protease activity, particularly for enzymes like chymotrypsin. It releases a yellow p-nitroaniline product upon cleavage, enabling colorimetric detection of enzymatic reactions. This compound has a CAS number of 70967-97-4, a molecular formula of C30H36N6O9, and a molecular weight of 624.64. It requires storage at -15 to -20°C and carries no classification as a hazardous substance. Molekula supplies N-Succinyl-Ala-Ala-Pro-Phe p-nitroanilide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.