CAS: 57-83-0 Molecular Formula: C21H30O2 Molecular Weight (g/mol): 314.46 MDL Number: MFCD00003658 InChI Key: RJKFOVLPORLFTN-LEKSSAKUSA-N Synonym: progesterone,agolutin,luteohormone,pregn-4-ene-3,20-dione,crinone,4-pregnene-3,20-dione,corpus luteum hormone,progestin,syngesterone,utrogestan PubChem CID: 5994 ChEBI: CHEBI:17026 IUPAC Name: (8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one SMILES: CC(=O)C1CCC2C1(CCC3C2CCC4=CC(=O)CCC34C)C