CAS: 50-28-2 Molecular Formula: C18H24O2 Molecular Weight (g/mol): 272.38 InChI Key: VOXZDWNPVJITMN-ZBRFXRBCSA-N Synonym: estradiol,beta-estradiol,17beta-estradiol,oestradiol,dihydrofolliculin,estrace,ovocyclin,progynon,dihydrotheelin,dihydroxyestrin PubChem CID: 5757 ChEBI: CHEBI:16469 IUPAC Name: (8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol SMILES: CC12CCC3C(C1CCC2O)CCC4=C3C=CC(=C4)O