Categories Articles 1-Methyl-4-phenylpiperidine-4-carboxylic acid Post author By forendex.southernforensic CSA Names: 1-Methyl-4-phenylpiperidine-4-carboxylic acid Pethidine-intermediate-C CSA Location: Schedule II Section (c) Subsection (21) DEA code 9234 CSA History: Scheduled in Public Law 91-513, the original CSA of 1970 Names: 1-Methyl-4-phenylpiperidine-4-carboxylic acid (IUPAC) Molecular formula: C13H17NO2 Nominal mass: 219 Average mass: 219.2796 Monoisotopic mass: 219.125929 CAS registry number: 3627-48-3 ChemSpider: 91344 PubChem: 101106 Wikipedia: Pethidinic acid Erowid: Pethidinic acid Drugs-Forum: Bluelight: Standard InChI: InChI=1S/C13H17NO2/c1-14-9-7-13(8-10-14,12(15)16)11-5-3-2-4-6-11/h2-6H,7-10H2,1H3,(H,15,16) Standard InChI key: KHUPPYUUMRDAAX-UHFFFAOYSA-N SMILES: CN1CCC(CC1)(C(=O)O)c1ccccc1 Tags: USCSA ← Androstanolone benzoate → DMAA