Categories Articles Estra-4,9(10)-diene-3,17-dione Post author By forendex.southernforensic CSA Names: Estra-4,9(10)-diene-3,17-dione 19-Nor-4,9(10)-androstadienedione CSA Location: Schedule III Section (f) Subsection (1.0)(48) CSA History: 73 FR 22294 proposed to add (and to renumber subsequent entries) on 25 Apr 2008 74 FR 63603 added (and renumbered subsequent entries) effective 4 Jan 2010 77 FR 4228 renumbered effective 27 Jan 2012 77 FR 4228 renumbered effective 27 Jan 2012 Names: Estra-4,9-diene-3,17-dione (IUPAC) Molecular formula: C18H22O2 Nominal mass: 270 Average mass: 270.3661 Monoisotopic mass: 270.161980 CAS registry number: 5173-46-6 ChemSpider: 8010890 PubChem: 9835169 Wikipedia: Dienedione Erowid: Steroids Drugs-Forum: Bluelight: Standard InChI: InChI=1S/C18H22O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h10,15-16H,2-9H2,1H3/t15-,16+,18+/m1/s1 Standard InChI key: BHTWZQKERRCPRZ-RYRKJORJSA-N SMILES: O=C1CCC2=C3CC[C@]4([C@H]([C@@H]3CCC2=C1)CCC4=O)C Tags: USCSA ← Halazepam → Ephedrine