Structure database (LMSD)
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  MDLMOL files can be opened in various drawing programs. In ChemDraw, open as filetype "MDL Molfile".
LM IDLMST02030185
Common Name3β-hydroxy-5β-pregnan-20-one
Systematic Name3β-hydroxy-5β-pregnan-20-one
Synonyms(3β,5β)-3-hydroxypregnan-20-one; 3β-Hydroxy-5β-pregnane-20-one; 3β-
hydroxy-5β-pregnane-20-one; 3β-hydroxy-5β-tetrahydroprogesterone;
epipregnanolone
Exact Mass
318.2559 (neutral)    Calculate m/z:
FormulaC21H34O2
CategorySterol Lipids [ST]
Main ClassSteroids [ST02]
Sub ClassC21 steroids (gluco/mineralocorticoids, progestogins) and derivatives [ST0203]
AbbrevST 21:1;O2
PubChem CID228491
KEGG IDC11825
HMDB IDHMDB0001471
CHEBI ID16229
CAYMAN ID34295
InChIKeyAURFZBICLPNKBZ-GRWISUQFSA-N  Show lipids differing only in stereochemistry/bond geometry
InChI
InChI=1S/C21H34O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h14-19,23H,4-12H2,1-3H3/t14-,15+,16+,17-,18+,19+,20+,21-/m1/s1
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SMILES
C1C[C@H](O)C[C@@]2([H])CC[C@]3([H])[C@@]([H])([C@]21C)CC[C@]1(C)[C@@]([H])(C(=O)C)CC[C@]13[H]
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MS SpectraView MoNA MS spectra     
StatusActive
Calculated physicochemical properties (?):
 Heavy Atoms23Rings4Aromatic Rings0Rotatable Bonds1
 van der Waals
Molecular Volume		337.36Topological Polar
Surface Area		37.30Hydrogen
Bond Donors		1Hydrogen
Bond Acceptors		2
 logP4.88Molar
Refractivity		92.42