Categories Articles 17α-Ethyl-17β-hydroxyestr-4-en-3-one Post author By forendex.southernforensic CSA Names: 17α-Ethyl-17β-hydroxyestr-4-en-3-one Norethandrolone CSA Location: Schedule III Section (f) Subsection (1.0)(53) CSA History: 56 FR 5753 added effective 27 Feb 1991 70 FR 74653 replacement for “[Reserved]” effective 17 Jan 2006 77 FR 4228 renumbered effective 27 Jan 2012 Names: (17β)-17-Ethyl-17-hydroxyestr-4-en-3-one (IUPAC) Molecular formula: C20H30O2 Nominal mass: 302 Average mass: 302.4510 Monoisotopic mass: 302.224580 CAS registry number: 52-78-8 ChemSpider: 5649 PubChem: 5858 Wikipedia: Norethandrolone Erowid: Steroids Drugs-Forum: Bluelight: Standard InChI: InChI=1S/C20H30O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h12,15-18,22H,3-11H2,1-2H3/t15-,16+,17+,18-,19-,20-/m0/s1 Standard InChI key: ZDHCJEIGTNNEMY-XGXHKTLJSA-N SMILES: CC[C@]1(O)CC[C@@H]2[C@]1(C)CC[C@H]1[C@H]2CCC2=CC(=O)CC[C@H]12 Tags: USCSA ← 18a-Homo-3-hydroxy-estra-2,5(10)-dien-17-one → Boldenone acetate