Categories Articles Fentanyl Post author By forendex.southernforensic CSA Names: Fentanyl CSA Location: Schedule II Section (c) Subsection (9) DEA code 9801 CSA History: Scheduled in Public Law 91-513, the original CSA of 1970 Names: N-Phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide (IUPAC) Molecular formula: C22H28N2O Nominal mass: 336 Average mass: 336.4705 Monoisotopic mass: 336.220164 CAS registry number: 437-38-7 ChemSpider: 3228 PubChem: 3345 Wikipedia: Fentanyl Erowid: Fentanyl Drugs-Forum: Fentanyl Bluelight: Standard InChI: InChI=1S/C22H28N2O/c1-2-22(25)24(20-11-7-4-8-12-20)21-14-17-23(18-15-21)16-13-19-9-5-3-6-10-19/h3-12,21H,2,13-18H2,1H3 Standard InChI key: PJMPHNIQZUBGLI-UHFFFAOYSA-N SMILES: CCC(=O)N(c1ccccc1)C1CCN(CC1)CCc1ccccc1 Tags: USCSA ← Beta-hydroxyfentanyl → 4-MTA