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Xilmenolone

Chemical FDA Substance Registry (openFDA)
Chemical Identification
CAS Number2368807-26-3
INCI Name1-[2-[(3R,5R,8R,9R,10S,13S,14S,15R,17S)-3-hydroxy-3,13,15-trimethyl-2,4,5,6,7,8,9,10,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl]pyrazole-3-carbonitrile
PubChem CID 139407748
Molecular FormulaC26H37N3O2
InChIKeyInChI=1S/C26H37N3O2/c1-16-1
SMILESC[C@@H]1C[C@@H]([C@@]2([C@@H]1[C@@H]3CC[C@@H]4C[C@](CC[C@@H]4[C@H]3CC2)(C)O)C)C(=O)CN5C=CC(=N5)C#N
Known Aliases (3)
Common Name
xilmenolone [INN]
Scientific Name
1-(3α-hydroxy-3β,15β-dimethyl-20-oxo-19-nor-5β- pregnan-21-yl)-1H-pyrazole-3-carbonitrile 1H-Pyrazole-4-carbonitrile, 1-[(3α,5β,15β)-3-hydroxy-3,15-dimethyl-20-oxo-19-norpregnan-21-yl]-
Data Sources (1)
Source Source ID Name in Source Properties
FDA Substance Registry (openFDA) 6B3TGU8JKY Xilmenolone CAS: 2368807-26-3
INN: 12366
SMS_ID: 300000050081
PUBCHEM: 139407748
FDA UNII: 6B3TGU8JKY
NCI_THESAURUS: C190360
Record Info
IDCeic3oBce33uRiFpW8CtFk
CreatedApril 10, 2026, 11:02 p.m.
ModifiedApril 10, 2026, 11:04 p.m.
EnrichedApril 11, 2026, 12:09 a.m.
Data SourceFDA Substance Registry (openFDA)