RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0128403
RefMet nameEstriol
Systematic nameestra-1,3,5(10)-triene-3,16,17-triol
SynonymsPubChem Synonyms
Sum CompositionST 18:3;O3 View other entries in RefMet with this sum composition
Exact mass288.172545 (neutral)
Calculate m/z:   
View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
FormulaC18H24O3View other entries in RefMet with this formula
Molecular descriptors
Molfile35274 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,
15+,16-,17+,18+/m1/s1
InChIKeyPROQIPRRNZUXQM-ZXXIGWHRSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESC[C@]12CC[C@@H]3c4ccc(cc4CC[C@H]3[C@@H]1C[C@H]([C@@H]2O)O)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSterol Lipids
Main ClassSteroids
Sub ClassC18 Steroids
Distribution of Estriol in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
PlatformPlatform (MS/NMR) used for detection
ChromatographyChromatography methods used for detection
StudiesNMDR Studies reporting Estriol
External Links
Pubchem CID5756
LIPID MAPSLMST02010003
ChEBI ID27974
KEGG IDC05141
HMDB IDHMDB0000153
Chemspider ID5553
MetaCyc IDESTRIOL
EPA CompToxDTXCID50209142
Spectral data for Estriol standards
NP-MRD ID(NMR)View NMR spectra
MassBank(EU)View MS spectra
Structural annotation level
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving Estriol

Rxn IDKEGG ReactionEnzyme
R03089 Estradiol-17beta + H+ + Oxygen + NADPH <=> Estriol + NADP+ + H2OEstradiol-17beta + H+ + Oxygen + NADPH <=> Estriol + NADP+ + H2O
R04681 Estriol + NAD+ <=> 16alpha-Hydroxyestrone + NADH + H+Estriol:NAD+ 17-oxidoreductase
R04682 Estriol + NADP+ <=> 16alpha-Hydroxyestrone + NADPH + H+Estriol:NADP+ 17-oxidoreductase
R04683 UDP-glucuronate + Estriol <=> UDP + 16-Glucuronide-estriolUDPglucuronate beta-D-glucuronosyltransferase(acceptor-unspecific)

Table of KEGG human pathways containing Estriol

Pathway IDHuman Pathway# of reactions
hsa00140 Steroid hormone biosynthesis 4
hsa01100 Metabolic pathways 2
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