Wikipedia:  

beta-Estradiol

17beta-oestradiol; Vagifem (TN); (17beta)-estra-1(10),2,4-triene-3,17-diol; Estrace (TN); Vivelle; Estring (TN); cis-estradiol; Vivelle (TN); estra-1,3,5(10)-triene-3,17beta-diol; Estrogel (TN); Estraderm (TN)
Molecular Formula
C18 H24 O2
Natural Isotopic Abundance Mass
272.38196
Mono-Isotopic Molecular Masses
C12N14:   272.1776300146
C13N14:   290.238017095
C12N15:   272.1776300146
C13N15:   290.238017095
beta-Estradiol image
beta-Estradiol
InCHi String:
InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17+,18+/m1/s1

canonical SMILES:
CC12CCC3C(C1CCC2O)CCC4=C3C=CC(=C4)O
isomeric SMILES:
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4)O


PUBCHEM iupac NAME: PUBCHEM iupac TRADITIONAL NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME: PUBCHEM iupac SYSTEMATIC NAME
(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol



PubChem Substance (SID):   111677781   7847173   57288708
PubChem Compound (CID):   5757
KEGG: Compound ID   D00105
CAS Registry IDs:   50-28-2
PDB Chemical Component   EST
Miscellaneous Databases and IDs:   Sigma-Aldrich E8875_SIGMA   ChEBI CHEBI:16469   EPA DSSTox 57773   LipidMAPS LMST02010001   BioCyc CPD-352   MMCD cq_00648   MDL MFCD00003693

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.