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Cyclopentylfentanyl

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Cyclopentylfentanyl
Cyclopentylfentanyl
Salts
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Cyclopentylfentanyl hydrochloride
Generated by the Chemistry Development Kit (http://github.com/cdk)
Molecular structure via molpic based on CDK
Rotamer
[]
Conformer structure via 3Dmol.js
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Physical properties
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376.5 g/mol [1]
5.1 [1]
Structural Identifiers
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C25H32N2O [1]
N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]cyclopentanecarboxamide [1]
C1CCC(C1)C(=O)N(C2CCN(CC2)CCC3=CC=CC=C3)C4=CC=CC=C4 [1]
InChI=1S/C25H32N2O/c28-25(22-11-7-8-12-22)27(23-13-5-2-6-14-23)24-16-19-26(20-17-24)18-15-21-9-3-1-4-10-21/h1-6,9-10,13-14,22,24H,7-8,11-12,15-20H2 [1]
InChIKeyPEASFKSPITUZGT-UHFFFAOYSA-N [1]

Cyclopentylfentanyl (also known as Cyclopentyl fentanyl, Cyclopentyl-fentanyl, DEA No. 9847, N-(1-Phenethyl-4-piperidyl)-N-phenyl-cyclopentanecarboxamide, N-(1-Phenethylpiperidin-4-yl)-N-phenylcyclopentanecarboxamide, N-phenyl-n-(1-(2-phenylethyl)piperidin-4-yl)cyclopentanecarboxamide, Dtxcid301520872, CP-F, Schembl18623774 or NID91801) is a opioid substance of the phenethylpiperidine class.

Chemistry

Salts []

Cyclopentylfentanyl is typically found in the form of its hydrochloride salt.

 []

Cyclopentylfentanyl is a achiral mixture.

Subjective effects []

class / Opioid

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  • Canada: Cyclopentylfentanyl is a Schedule I substance.
  • Germany: Cyclopentylfentanyl is a Neuer-Psychoaktiver-Stoff under the "Neue-psychoaktive-Stoffe-Gesetz (NpSG)".
  • United Kingdom: Cyclopentylfentanyl is a Class A substance.
  • United States: Cyclopentylfentanyl is a Schedule I under the "Controlled Substances Act (CSA)".

See also []

External links []

References []

  1. National Center for Biotechnology Information. PubChem Compound Summary for CID 126682248, Cyclopentylfentanyl. Accessed May 25, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/126682248

  2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Cyclopentylfentanyl. UNII: 79NY29L78C. Global Substance Registration System. Accessed May 25, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/79NY29L78C