A database of hormones and their receptors
Non-peptide Hormone

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HMRbase accession number1062
PubChem ID5756
Hormone nameEstriol
DescriptionA hydroxylated metabolite of ESTRADIOL or ESTRONE that has a hydroxyl group at C3-beta, 16-alpha, and 17-beta position. Estriol is a major urinary estrogen. During PREGNANCY, large amount of estriol is produced by the PLACENTA. Isomers with inversion of the hydroxyl group or groups are called epiestriol.
SynonymsEstriol Oestriol Estratriol Tridestrin Ovestrion Trihydroxyestrin Aacifemine Oestratriol Oestriolum Destriol
Molecular weight288.38
Molecular formulaC18H24O3
IUPAC Name(8R,9S,13S,14S,16R,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,16,17-triol
Canonical smilesCC12CCC3C(C1CC(C2O)O)CCC4=C3C=CC(=C4)O
Isomeric smilesC[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@@H]2O)O)CCC4=C3C=CC(=C4)O
Structure
   
PDB file
SDF file
MOL file
PDB ID1X8V  
KEGG IDC05141  D00185  
HMDB IDHMDB00153
Melting Point282(EXP)
Log P2.45(EXP)
Water Solubility441(EST) at 25C
DrugBank IDDB04573
Drugpediawiki
ReceptorP03372   Detail in HMRbase   
Comments
ReferencesPubchem,HMDB