CAS: 67526-95-8 Molecular Formula: C34 H50 O12 Molecular Weight (g/mol): 650.75 Synonym: Octanoic acid, (3S,3aR,4S,6S,6aR,7S,8S,9bS)-6-(acetyloxy)-2,3,3a,4,5,6,6a,7,8,9b-decahydro-3,3a-dihydroxy-3,6,9-trimethyl-8-[[(2Z)-2-methyl-1-oxo-2-butenyl]oxy]-2-oxo-4-(1-oxobutoxy)azuleno[4,5-b]furan-7-yl ester (9CI),Octanoic acid, 6-(acetyloxy)-2,3,3a,4,5,6,6a,7,8,9b-decahydro-3,3a-dihydroxy-3,6,9-trimethyl-8-[(2-methyl-1-oxo-2-butenyl)oxy]-2-oxo-4-(1-oxobutoxy)azuleno[4,5-b]furan-7-yl ester, [3S-[3α,3aβ,4α,6β,6aβ,7β,8α(Z),9bα]]-,Azuleno[4,5-b]furan, octanoic acid deriv.,(-)-Thapsigargin,Thapsigargin IUPAC Name: [(3S,3aR,4S,6S,6aR,7S,8S,9bS)-6-acetyloxy-4-butanoyloxy-3,3a-dihydroxy-3,6,9-trimethyl-8-[(Z)-2-methylbut-2-enoyl]oxy-2-oxo-4,5,6a,7,8,9b-hexahydroazuleno[4,5-b]furan-7-yl] octanoate SMILES: CCCCCCCC(=O)O[C@@H]1[C@@H](OC(=O)\C(=C/C)\C)C(=C2[C@@H]3OC(=O)[C@@](C)(O)[C@@]3(O)[C@H](C[C@](C)(OC(=O)C)[C@@H]12)OC(=O)CCC)C