The chemical Z-Gly-Gly-Leu-pNA has a designated molecular formula of C24H29N5O7 and a molecular weight of 499.524 g/mol. Synonyms may include: Benzyloxycarbonylglycyl-glycyl-leucine-4-nitroanilide, N-Benzyloxycarbonyl-glycyl-glycyl-leucine-4-nitroanilide, Z-Gly-gly-leu-4-nitroanilide (ChemID).