Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	35392
Common Name:	Pregnenolone
Systematic Name:	3beta-hydroxypregn-5-en-20-one
RefMet Name:	Pregnenolone
Synonyms:	[PubChem Synonyms]
Exact Mass:	316.2402 (neutral)    Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M-H+2K]+ [M+Na]+ [M+2Na]2+ [M-H+2Na]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M-H]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+HCOO]- M(neutral)
Formula:	C21H32O2
InChIKey:	ORNBQBCIOKFOEO-QGVNFLHTSA-N
LIPID MAPS Category:	Sterol Lipids [ST]
LIPID MAPS mainclass:	Steroids [ST02]
LIPID MAPS subclass:	C21 steroids (gluco/mineralocorticoids, progestogins) and derivatives [ST0203]
MoNA MS spectra:	View MS spectra
SMILES:	CC(=O)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@H](CC[C@]4(C)[C@H]3CC[C@]12C)O
Studies:	Available studies (via RefMet name)

Select appropriate tab below to view additional details:

All Database Links Calculated Properties Human Pathways

External database links:

PubChem CID:	8955
LIPID MAPS ID:	LMST02030088
CHEBI ID:	16581
HMDB ID:	HMDB0000253
KEGG ID:	C01953
BMRB ID:	bmse000476
MetaCyc ID:	PREGNENOLONE
EPA CompTox DB:	DTXCID40209570
Plant Metabolite Hub(Pmhub):	MS000000463

Calculated physicochemical properties (?):

Heavy Atoms:	23
Rings:	4
Aromatic Rings:	0
Rotatable Bonds:	1
van der Waals Molecular volume:	334.72 Å3 molecule-1
Toplogical Polar Sufrace Area:	37.30 Å2 molecule-1
Hydrogen Bond Donors:	1
Hydrogen Bond Acceptors:	2
logP:	4.80
Molar Refractivity:	92.39
Fraction sp3 Carbons:	0.86
sp3 Carbons:	18

Human Pathway links:

HMDB and KEGG pathways containing this metabolite

REACTOME pathways containing this metabolite

References

LIPID MAPS classification: "Update of the LIPID MAPS comprehensive classification system for lipids", Fahy E, Subramaniam S, Murphy RC, Nishijima M, Raetz CR, Shimizu T, Spener F, van Meer G, Wakelam MJ, and Dennis EA, J. Lipid Res. (2009) 50: S9-S14. DOI: 10.1194/jlr.R800095-JLR200
ClassyFire classification: "ClassyFire: automated chemical classification with a comprehensive, computable taxonomy", Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS, J. Cheminformatics (2016) 8:61. DOI: 10.1186/s13321-016-0174-y