Research chemicalCathinoneStimulantResearch chemical

2-MMC

Also known as 2-methylmethcathinone · Ortho-methylmethcathinone

Written by enwyReviewed 4 Aug 20262 sources0 comments

2-MMC (2-methylmethcathinone) is a positional isomer of mephedrone with the methyl group at the ortho position. It appeared on the research-chemical market as a non-controlled alternative to 3-MMC and 4-MMC. Human pharmacology is essentially unknown; it is one of the least-studied cathinones in wide circulation.

01 Overview

2-MMC is sold as a legal-status alternative to its more common isomers. Anecdotal reports describe it as noticeably weaker and more stimulating than mephedrone, with less euphoria, which encourages heavier dosing and redosing. It is used orally and by insufflation.

There is essentially no clinical or forensic literature specific to 2-MMC beyond early-warning-system identification. Class hazards apply: cardiovascular strain, compulsive redosing, severe comedown, and unconfirmed long-term neurotoxicity.

02 Mechanism

Presumed monoamine releaser/reuptake inhibitor by analogy to other methylmethcathinone isomers; the ortho substitution is associated with reduced potency in related series.

03 Dosing

Tier	Dose	Route	Notes
Common	75–150 mg	Insufflated	Faster onset; strong redosing compulsion.
Common	150–300 mg	Oral	Anecdotal; reported weaker than mephedrone so users take more.

04 Effects

Effect	Magnitude	Evidence
StimulationEnergy and wakefulness reported, described as more stimulating than euphoric.		Anecdotal
Mild sociabilitySome entactogenic character reported but weaker than mephedrone.		Anecdotal
Compulsive redosingWeaker effect and short duration promote frequent redosing.		Anecdotal

05 Side effects

Effect	Severity	Frequency	Evidence
Severe comedownLow mood, anxiety and craving after use.	Moderate	Common	Anecdotal
Long-term neurotoxicity (unknown)No human data; long-term effects unestablished.	Moderate	Unknown	Unconfirmed
Cardiovascular strainTachycardia, palpitations and raised blood pressure expected by class analogy and reported anecdotally.	Severe	Common	Anecdotal

06 Legal status

Germany

NpSG-controlled

Covered by German new psychoactive substances legislation. · as of Jan 2026

United States

Possibly analogue-controlled

May fall under the Federal Analogue Act; not explicitly scheduled. · as of Jan 2026

07 References

EU Early Warning System — new psychoactive substancesEUDA / EMCDDA

Synthetic cathinones: chemistry, pharmacology and toxicologyPubMed review

08 Discussion0 comments

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This page is reference information, not medical advice. Doses and protocols are documented as they appear in the clinical literature and in practice — describing them is not a recommendation to use them. Countermeasures listed here are not a substitute for a physician. Legal status varies by jurisdiction and changes.