Categories Articles /N-Phenyl-/N-[1-(2-thienyl)ethyl-4-piperidinyl]propanamide Post author By forendex.southernforensic CSA Names: N-Phenyl-N-[1-(2-thienyl)ethyl-4-piperidinyl]propanamide Thiofentanyl CSA Location: Schedule I Section (b) Subsection (53) DEA code 9835 CSA History: 52 FR 20070 added (and renumbered subsequent entries) effective 29 May 1987 Names: N-Phenyl-N-{1-[2-(thiophen-2-yl)ethyl]piperidin-4-yl}propanamide (IUPAC) Molecular formula: C20H26N2OS Nominal mass: 342 Average mass: 342.4982 Monoisotopic mass: 342.176584 CAS registry number: 1165-22-6 ChemSpider: 56168 PubChem: 62380 Wikipedia: Thiofentanyl Erowid: Drugs-Forum: Bluelight: Standard InChI: InChI=1S/C20H26N2OS/c1-2-20(23)22(17-7-4-3-5-8-17)18-10-13-21(14-11-18)15-12-19-9-6-16-24-19/h3-9,16,18H,2,10-15H2,1H3 Standard InChI key: YMRFZDHYDKZXPA-UHFFFAOYSA-N SMILES: CCC(=O)N(c1ccccc1)C1CCN(CC1)CCc1cccs1 Tags: USCSA ← Clotiazepam → 25D-NBOMe