Empathogens
mCPP (1-(3-Chlorophenyl)piperazine)
Street names: mCPP, Chlorophenylpiperazine
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Anxiogenic stimulant: dysphoria, jitters, mild euphoria
- Serotonin releaser
⚠Key risks
- THE BAD ECSTASY — mCPP causes anxiety, not empathy; sold as fake MDMA
- Serotonin syndrome risk
- Migraine trigger (5-HT2C agonist)
- Headaches, nausea standard
✚Overdose signs
- Severe anxiety, panic
- Headache, nausea
- Serotonin syndrome (with combos)
📋Quick facts
Also known asmCPP, Chlorophenylpiperazine
CategoryEmpathogens
Schedule / classSchedule I analog; controlled EU
AppearancePills or powder — sold as 'ecstasy' or 'legal high'
Street priceSold as fake MDMA pills $10–$30
Legal statusAnalogue US; controlled EU
Last updated2026-09-17
Sources: EMCDDA, NIDA
Category comparison — Empathogens
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| mCPP (1-(3-Chlorophenyl)piperazine) | Schedule I analog; controlled EU | THE BAD ECSTASY — mCPP causes anxiety, not empathy; sold as fake MDMA; Serotonin syndrome risk | Sold as fake MDMA pills $10–$30 |
| MDMA | Schedule I | Overheating + dehydration (or fatal water intoxication); Serotonin depletion — multi-day comedown | ~$10–$40 per pill |
| 5-APB | Class B | Serotonin release + MAOI-like properties → serotonin syndrome risk; Long duration complicates dosing | ~$15–$40 per gram or ~$5–$15 per pellet |
| Methylone (bk-MDMA) | Schedule I | Often sold as MDMA — users dose it like MDMA but it behaves differently; Serotonin syndrome risk with antidepressants | ~$10–$30 per gram or $5–$15 per pill |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does mCPP (1-(3-Chlorophenyl)piperazine) look like?
Pills or powder — sold as 'ecstasy' or 'legal high'
What are the signs of a mCPP (1-(3-Chlorophenyl)piperazine) overdose?
Severe anxiety, panic; Headache, nausea; Serotonin syndrome (with combos) Call emergency services immediately.
How addictive is it?
THE BAD ECSTASY — mCPP causes anxiety, not empathy; sold as fake MDMA Dependence can develop with regular use.