Sub Group: Various Metabolites and Impurities Catalog Number: 6239 Formula: C21H26O3 CAS Number: 55079-83-9 Molecular Weight: 326.44 Synonyms: (all-E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetraenoic AcidNeotigason, Soriatane