Categories Articles Methadone Post author By forendex.southernforensic CSA Names: Methadone CSA Location: Schedule II Section (c) Subsection (15) DEA code 9250 CSA History: Scheduled in Public Law 91-513, the original CSA of 1970 Names: 6-(Dimethylamino)-4,4-diphenylheptan-3-one (IUPAC) Molecular formula: C21H27NO Nominal mass: 309 Average mass: 309.4452 Monoisotopic mass: 309.209265 CAS registry number: 76-99-3 ChemSpider: 3953 PubChem: 4095 Wikipedia: Methadone Erowid: Methadone Drugs-Forum: Methadone Bluelight: Methadone Standard InChI: InChI=1S/C21H27NO/c1-5-20(23)21(16-17(2)22(3)4,18-12-8-6-9-13-18)19-14-10-7-11-15-19/h6-15,17H,5,16H2,1-4H3 Standard InChI key: USSIQXCVUWKGNF-UHFFFAOYSA-N SMILES: CCC(=O)C(c1ccccc1)(c1ccccc1)CC(N(C)C)C Tags: USCSA ← Isomethadone → Phenylpropanolamine