Bio-Rad Laboratories, Inc. SpectraBase; SpectraBase Compound ID=eKKPvT6Cjk SpectraBase Spectrum ID=FE6ZVZyKWjF
http://spectrabase.com/spectrum/FE6ZVZyKWjF (accessed Nov 15, 2019).

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

13C Nuclear Magnetic Resonance (NMR) Spectrum

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13C Nuclear Magnetic Resonance (NMR) Spectrum

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SpectraBase Spectrum ID FE6ZVZyKWjF
SpectraBase Batch ID 5QPeiFSjOFG
Name 4-Pregnen-3,11,20-trione
Source of Sample Eastman Organic Chemicals, Rochester, New York
Comments Some carbon atoms are unassigned
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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
Melting Point 170-175C
Molecular Weight 328.46
Solvent Chloroform-d; Reference=TMS Spectrometer= Varian CFT-20