The chemical Calyculin A has a designated molecular formula of C50H81N4O15P and a molecular weight of 1009.185 g/mol. Synonyms may include: CCRIS 3706, Hemicalyculin A, UNII-7D07U14TK3 (ChemID). Calyculin A has been assigned a MeSH pharmacological action of: Enzyme Inhibitor.