Sub Group: Retinoids Alphabetic Listing Catalog Number: 11293 Formula: C20H28O2 CAS Number: 62702-55-0 Molecular Weight: 300.44 Synonyms: 9-(2,6,6-Trimethyl-3-keto-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraen-1-ol