Cyclopentyl-Fentanyl
Aliases: Cp-f, cpf
Summary
An analogue of fentanyl that is unknown in literature, seems to be less potent than its former being Acetyl-Fentanyl. Yet reports have yet to surface. Be careful.
Effect Profile
Scores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Opioid
3.9
Moderate
4/10
Moderate euphoria with mild itching/nausea, low sedation
Euphoria / Warmth
×3
6
euphoria
cognitive euphoria
Analgesia
×2
0
Sedation / Relaxation
×1
3
sedation
Itching / Nausea
×1
4
nausea
Based on reports from:
Tolerance
Build-up
develops within days of regular use; analgesic tolerance faster than respiratory depression tolerance
Reset
7–14 days for partial reset; full reset may take weeks — tolerance loss greatly increases overdose risk
Tolerance Decay
Full tolerance
1d
Half tolerance
21d
Baseline
~35d
Effects
Positive
- Stimulation
Negative
- Motor impairment
- Increased heart rate
- Pupil dilation
- Insomnia
- Nausea
- Vasoconstriction
- Restlessness
- Sedation
- Decreased appetite
Positive
- Reduced anxiety
- Euphoria
- Cognitive euphoria
- Wakefulness
- Empathy
Negative
- Anxiety
- Confusion
- Compulsive redosing
- Time distortion
- Talkativeness
Positive
- Increased music appreciation
- Color enhancement
- Brightened colour
- Tactile enhancement
Negative
- Light sensitivity
- Disinhibition
- Appetite suppression
- Dehydration
- Dulled perception
- Drifting
Combinations
Cyclopentyl-Fentanyl's nerd page
Pharmacology, chemical data, effect profiles, and more
→