CAS: 595-33-5 Molecular Formula: C24H32O4 Molecular Weight (g/mol): 384.516 MDL Number: MFCD00056470 InChI Key: RQZAXGRLVPAYTJ-GQFGMJRRSA-N Synonym: megestrol acetate,niagestin,megace es,megestryl acetate,megace,megeron,ovaban,ovarid,pallace,magestin PubChem CID: 11683 IUPAC Name: [(8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-3-oxo-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate SMILES: CC1=CC2C(CCC3(C2CCC3(C(=O)C)OC(=O)C)C)C4(C1=CC(=O)CC4)C