Categories Articles Meperidine Post author By forendex.southernforensic CSA Names: Meperidine Pethidine CSA Location: Schedule II Section (c) Subsection (18) DEA code 9230 CSA History: Scheduled in Public Law 91-513, the original CSA of 1970 Names: Ethyl 1-methyl-4-phenylpiperidine-4-carboxylate (IUPAC) Molecular formula: C15H21NO2 Nominal mass: 247 Average mass: 247.3327 Monoisotopic mass: 247.157229 CAS registry number: 57-42-1 ChemSpider: 3918 PubChem: 4058 Wikipedia: Pethidine Erowid: Meperidine Drugs-Forum: Bluelight: Standard InChI: InChI=1S/C15H21NO2/c1-3-18-14(17)15(9-11-16(2)12-10-15)13-7-5-4-6-8-13/h4-8H,3,9-12H2,1-2H3 Standard InChI key: XADCESSVHJOZHK-UHFFFAOYSA-N SMILES: CCOC(=O)C1(CCN(CC1)C)c1ccccc1 Tags: USCSA ← Clotiazepam → 25D-NBOMe