The chemical E-64-C has a designated molecular formula of C15H26N2O5 and a molecular weight of 314.382 g/mol. Synonyms may include: N-(N-(3-carboxyoxirane-2-carbonyl)leucyl)isoamylamine, E 64C, BRN 6688621, EP 475, EP 475 (Enzyme inhibitor), (+)-(2S,3S)-3-((S)-3-Methyl-1-(3-methylbutylcarbamoyl)butylcarbamoyl)-2-oxiranecarboxylic acid (ChemID).