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4-Pregnen-3,11,20-trione
SpectraBase Compound ID eKKPvT6Cjk
InChI InChI=1S/C21H28O3/c1-12(22)16-6-7-17-15-5-4-13-10-14(23)8-9-20(13,2)19(15)18(24)11-21(16,17)3/h10,15-17,19H,4-9,11H2,1-3H3/t15-,16+,17-,19+,20-,21+/m0/s1
InChIKey WKAVAGKRWFGIEA-DADBAOPHSA-N
Mol Weight 328.45 g/mol
Molecular Formula C21H28O3
Exact Mass 328.203845 g/mol

Mass Spectrum (GC)

Mass Spectrum (GC)

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SpectraBase Spectrum ID G48Fzzh2hP8
Name 11-Ketoprogesterone
Alternate Name(s) (8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,6,7,8,9,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-3,11-dione (8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,6,7,8,9,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-3,11-quinone (8S,9S,10R,13S,14S,17S)-17-ethanoyl-10,13-dimethyl-2,6,7,8,9,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-3,11-dione 11-Oxoprogesterone Ketogestin Ketoprogesterone Pregn-4-ene-3,11,20-trione U 1258
CAS Registry Number 516-15-4
Comments Less than 3 mono-isotopic peaks
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Formula C21H28O3
InChI InChI=1S/C21H28O3/c1-12(22)16-6-7-17-15-5-4-13-10-14(23)8-9-20(13,2)19(15)18(24)11-21(16,17)3/h10,15-17,19H,4-9,11H2,1-3H3/t15-,16+,17-,19+,20-,21+/m0/s1
InChIKey WKAVAGKRWFGIEA-DADBAOPHSA-N
Molecular Weight 328.452 g/mol
SMILES [C@@]12([C@]([C@@]3(CCC=4[C@@]([C@]3(C(C2)=O)[H])(CCC(=O)C4)C)[H])(CC[C@@]1(C(=O)C)[H])[H])C
SPLASH splash10-0006-9002000000-3ab33a295bbe7a3ddb7c
Source of Spectrum Y5-61-4-1
Wiley ID 879396