mCPP
Aliases: Cpp, 3-cpp, Meta-chlorophenylpiperazine
Summary
meta-Chlorophenylpiperazine (also known as mCPP) is a stimulant drug of the phenylpiperazine class. It was first synthesized as one in a series of potential novel antihistamines by Thomas H. Wicker Jr. in 1951 as part of his doctoral work at the University of Florida.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 20-50mg | 50-120mg | 120-150mg | 150mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset |
|---|---|---|---|---|
| Oral | 20-60 min | 20-60 min | 2-4 hrs | 3-8 hrs |
Effect Profile
7 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Stimulant
4.1
Moderate
4/10
Strong anxiety/jitters with moderate stimulation, mild euphoria
Stimulation / Energy
×3
7
physical stimulation
stimulation
alertness enhancement
Euphoria / Mood Lift
×2
5
euphoria
mood lift
Focus / Productivity
×2
0
Anxiety / Jitters
×1
8
anxiety
teeth grinding
vasoconstriction
Based on reports from:
Tolerance
Build-up
develops over days to weeks of regular use
Reset
3–7 days for acute tolerance; longer for full reset
Tolerance Decay
Full tolerance
1d
Half tolerance
10d
Baseline
~18d
Effects
Aggregated from 7 Erowid experience reports
Positive Effects 4
Euphoria
100.0%
70%
Color Enhancement
57.1%
70%
Tactile Enhancement
57.1%
70%
Stimulation
42.9%
70%
Adverse Effects 5
Anxiety
85.7%
70%
Nausea
85.7%
70%
Jaw Clenching
57.1%
70%
Pupil Dilation
57.1%
70%
Headache
42.9%
70%
mCPP's nerd page
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