RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0128387
RefMet nameEpisterol
Systematic name24-methylene-cholest-7-en-3beta-ol
SynonymsPubChem Synonyms
Sum CompositionST 28:2;O View other entries in RefMet with this sum composition
Exact mass398.354865 (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
FormulaC28H46OView other entries in RefMet with this formula
Molecular descriptors
Molfile34778 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C28H46O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h10,18,20-22,24-26,29H
,3,7-9,11-17H2,1-2,4-6H3/t20-,21+,22+,24-,25+,26+,27+,28-/m1/s1
InChIKeyBTCAEOLDEYPGGE-JVAZTMFWSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCC(C)C(=C)CC[C@@H](C)[C@H]1CC[C@H]2C3=CC[C@H]4C[C@H](CC[C@]4(C)[C@H]3CC[C@]12C)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSterol Lipids
Main ClassSterols
Sub ClassErgosterols
Distribution of Episterol 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 Episterol
External Links
Pubchem CID5283662
LIPID MAPSLMST01030115
ChEBI ID23929
KEGG IDC15777
HMDB IDHMDB0006847
Spectral data for Episterol standards
NP-MRD ID(NMR)View NMR 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 Episterol

Rxn IDKEGG ReactionEnzyme
R07491 Episterol + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> 5-Dehydroepisterol + 2 Ferricytochrome b5 + 2 H2Oepisterol,ferrocytochrome b5:oxygen oxidoreductase 5,6-dehydrogenating
R07505 Episterol + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> 5,7,24(28)-Ergostatrienol + 2 Ferricytochrome b5 + 2 H2Oepisterol,ferrocytochrome b5:oxygen oxidoreductase 5,6-dehydrogenating

Table of KEGG human pathways containing Episterol

Pathway IDHuman Pathway# of reactions
hsa00100 Steroid biosynthesis 2
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