Categories Articles Tapentadol Post author By forendex.southernforensic CSA Names: Tapentadol CSA Location: Schedule II Section (c) Subsection (28) DEA code 9780 CSA History: 74 FR 7386 proposed to add on 17 Feb 2009 74 FR 23790 added effective 22 Jun 2009 Names: 3-[(2R,3R)-1-(Dimethylamino)-2-methylpentan-3-yl]phenol (IUPAC) Molecular formula: C14H23NO Nominal mass: 221 Average mass: 221.3385 Monoisotopic mass: 221.177964 CAS registry number: 175591-23-8 ChemSpider: 8013742 PubChem: 9838022 Wikipedia: Tapentadol Erowid: Tapentadol Drugs-Forum: Tapentadol Bluelight: Tapentadol Standard InChI: InChI=1S/C14H23NO/c1-5-14(11(2)10-15(3)4)12-7-6-8-13(16)9-12/h6-9,11,14,16H,5,10H2,1-4H3/t11-,14+/m0/s1 Standard InChI key: KWTWDQCKEHXFFR-SMDDNHRTSA-N SMILES: CC[C@@H](c1cccc(c1)O)[C@H](CN(C)C)C Tags: USCSA ← 17β-Hydroxy-androstano[2,3-/d]isoxazole → 5-Androstenediol-17-benzoate