Stimulants

3-CMC / 4-CMC (clephedrone/chloromethcathinone)

Street names: 3CMC, 4CMC, Clephedrone, CMC crystals

Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines

⚡What it does

Also known as3CMC, 4CMC, Clephedrone, CMC crystals

CategoryStimulants

Schedule / classControlled in several EU states; analogue prosecutions (US)

AppearanceWhite/off-white crystals or powder

Street price~$15–$35 per gram

Legal statusBanned DE/UK/NL/others; Analogue Act US — check locally

Last updated2026-09-12

Sources: EMCDDA, NPS-AD, TripSit

Substance	Class	Top risks	Street price
3-CMC / 4-CMC (clephedrone/chloromethcathinone)	Controlled in several EU states; analogue prosecutions	Suspected serotonin neurotoxicity (chlorine atom like para-chloroamphetamine); Cardiovascular strain	~$15–$35 per gram
Cocaine	Schedule II	Heart attack/stroke even in young users; Severe addiction — craving cycle	~$60–$120 per gram
Speed (amphetamine paste)	Schedule II	Insomnia, anxiety, paranoia; Heart strain and overheating	~$10–$40 per gram
Methamphetamine	Schedule II	Addiction — among the most addictive drugs known; Meth mouth, skin sores, psychosis	~$20–$100 per gram
Adderall (amphetamine salts)	Schedule II	Dependence and tolerance; Cardiovascular strain	~$3–$15 per 30 mg tablet
Adderall XR	Schedule II	Same as Adderall; long duration masks sleep debt; Beads snorted bypass XR mechanism	~$5–$20 per 30 mg capsule

Street prices are regional estimates. Potency and cuts vary constantly — see our pressed pill guide.

Profiles are reviewed against NIDA/DEA/EMCDDA sources. See something off? Submit a correction — it goes straight to our editorial queue.