The chemical Santonin has a designated molecular formula of C15H18O3 and a molecular weight of 246.306 g/mol. Synonyms may include: AI3-19471, EINECS 207-560-7, 11-Epiisoeusantona-1,4-dienic acid, 6alpha-hydroxy-3-oxo-, gamma-lactone, Eudesma-1,4-dien-12-oic acid, 6-alpha-hydroxy-3-oxo-, gamma-lactone, (11S)-(-)-, Naphtho(1,2-b)puran-2,8(3H,4H)-dione, 3a,5,5a,9b-tetrahydro-3,5a,9-trimethyl-, NSC 4900 (ChemID).