The chemical Abscisic acid has a designated molecular formula of C15H20O4 and a molecular weight of 264.321 g/mol. Synonyms may include: ABA, ABK, (S)-(+)-Abscisic acid, 2-cis,4-trans-Abscisic acid, Abscisin II, cis-trans-(+)-Abscissic acid, Acide abscisique [French], BRN 2698956, Dormin (abscission factor), Dormin (VAN), EINECS 244-319-5, NSC 146877 (ChemID).