Stimulants
3,4-CTMP (3,4-Dichloromethylphenidate)
Street names: 3,4-CTMP, CTMP
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Methylphenidate analog — long functional stimulation (8–12 h)
⚠Key risks
- Vasoconstriction reports — painful cold extremities
- Very long duration masks sleep debt
- Binge redosing
- Cardiovascular strain
✚Overdose signs
- Racing heart, hypertension
- Cold/numb fingers and toes
- Agitation
📋Quick facts
Also known as3,4-CTMP, CTMP
CategoryStimulants
Schedule / classAnalogue prosecutions (US); Class B UK 2017
AppearanceWhite powder/pellets
Street price~$15–$35/g
Legal statusAnalogue US; Class B UK; controlled EU
Last updated2026-09-18
Sources: EMCDDA, TripSit
Category comparison — Stimulants
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| 3,4-CTMP (3,4-Dichloromethylphenidate) | Analogue prosecutions | Vasoconstriction reports — painful cold extremities; Very long duration masks sleep debt | ~$15–$35/g |
| Methylphenidate (Ritalin) | Schedule II | Dependence; cardiovascular strain; Injecting crushed tablets causes lung damage | ~$2–$10 per 20 mg tablet |
| Ethylphenidate | Analogue prosecutions | Vasoconstriction reports — painful extremities; Compulsive redosing | ~$15–$35 per gram |
| Methiopropamine (MPA) | Banned UK 2015; analogue prosecutions | Thiophene ring — unknown long-term metabolism; Class-typical heart strain | ~$15–$35 per gram |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does 3,4-CTMP (3,4-Dichloromethylphenidate) look like?
White powder/pellets
What are the signs of a 3,4-CTMP (3,4-Dichloromethylphenidate) overdose?
Racing heart, hypertension; Cold/numb fingers and toes; Agitation Call emergency services immediately.
How addictive is it?
Vasoconstriction reports — painful cold extremities Dependence can develop with regular use.