Cyclopentyl-Fentanyl Stats & Data
Cp-f
cpf
PubChem
MW376.5
FormulaC25H32N2O
LogP5.1
IUPACN-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]cyclopentanecarboxamide
InChIKey
PEASFKSPITUZGT-UHFFFAOYSA-N
Chemical Class
Opioid
Psychoactive Class
Depressant
Pharmacology
DrugBankEffect Profile
Curated
Opioid
3.9
Moderate euphoria with mild itching/nausea, low sedation
Euphoria / Warmth×3
6
Analgesia×2
0
Sedation / Relaxation×1
3
Itching / Nausea×1
4
Based on reports from:
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Full tolerance
1d
Half tolerance
21d
Baseline
~35d
Acute tolerance: develops within a single session — the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.