pregnenolone   Click here for help

GtoPdb Ligand ID: 2376

Approved drug PDB Ligand
pregnenolone is an approved drug
Comment: Pregnenolone is an endogenous steroid hormone and is the precursor of the progestogens, mineralocorticoids, glucocorticoids, androgens, estrogens and neuroactive steroids.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 2
Hydrogen bond donors 1
Rotatable bonds 1
Topological polar surface area 37.3
Molecular weight 316.24
XLogP 4.83
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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Canonical SMILES OC1CCC2(C(=CCC3C2CCC2(C3CCC2C(=O)C)C)C1)C
Isomeric SMILES O[C@H]1CC[C@]2(C(=CC[C@@H]3[C@@H]2CC[C@]2([C@H]3CC[C@@H]2C(=O)C)C)C1)C
InChI InChI=1S/C21H32O2/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/h4,15-19,23H,5-12H2,1-3H3/t15-,16-,17+,18-,19-,20-,21+/m0/s1
InChI Key ORNBQBCIOKFOEO-QGVNFLHTSA-N
Classification Click here for help
Compound class Metabolite or derivative
Approved drug? Yes
IUPAC Name Click here for help
1-[(3S,8S,9S,10R,13S,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone
International Nonproprietary Names Click here for help
INN number INN
4178 pregnenolone
Database Links Click here for help
CAS Registry No. 145-13-1 (source: SciFinder)
ChEBI CHEBI:16581
ChEMBL Ligand CHEMBL253363
DrugBank Ligand DB02789
GtoPdb PubChem SID 135651548
PubChem CID 8955
RCSB PDB Ligand PLO
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Wikipedia Pregnenolone