CHEBI:79765 - A-norpregn-3(5)-ene-2,20-dione

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ChEBI Name A-norpregn-3(5)-ene-2,20-dione
ChEBI ID CHEBI:79765
Definition A 2-oxo steroid that is a derivative of pregnane obtained by the loss of a methylene group.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C20H28O2
Net Charge 0
Average Mass 300.43510
Monoisotopic Mass 300.20893
InChI InChI=1S/C20H28O2/c1-12(21)16-6-7-17-15-5-4-13-10-14(22)11-20(13,3)18(15)8-9-19(16,17)2/h10,15-18H,4-9,11H2,1-3H3/t15-,16+,17-,18-,19+,20-/m0/s1
InChIKey CQNNLXQECGKHEH-APNJTCTJSA-N
SMILES CC(=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)C[C@]4(C)[C@H]3CC[C@]12C
ChEBI Ontology
Outgoing A-norpregn-3(5)-ene-2,20-dione (CHEBI:79765) is a 2-oxo steroid (CHEBI:36888)
A-norpregn-3(5)-ene-2,20-dione (CHEBI:79765) is a 20-oxo steroid (CHEBI:36885)
IUPAC Name
4-norpregn-3(5)-ene-2,20-dione
Synonyms Sources
(3aR,3bS,5aS,6S,8aS,8bS)-6-acetyl-3a,5a-dimethyl-3a,3b,4,5,5a,6,7,8,8a,8b,9,10-dodecahydrodicyclopenta[a,f]naphthalen-2(3H)-one IUPAC
A-norprogesterone KEGG COMPOUND
Manual Xref Database
C15263 KEGG COMPOUND
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Registry Numbers Types Sources
1232-76-4 CAS Registry Number ChemIDplus
5459076 Reaxys Registry Number Reaxys
Last Modified
07 August 2020