Mephedrone

Mephedrone, also known as 4-methylmethcathinone (4-MMC) or 4-methylephedrone, is a synthetic stimulant drug of the amphetamine and cathinone classes. Slang names include drone, M-CAT, and meow meow. It is chemically similar to the cathinone compounds found in the khat plant of eastern Africa. It comes in the form of tablets or a powder, which users can swallow, snort, inject or insert rectally producing similar effects to MDMA, amphetamine and cocaine.

Mephedrone
The skeletal formula of Mephedrone.
Dosage (Insufflated)
Threshold	5 - 15 mg
Light	15 - 25 mg
Common	20 - 80 mg
Strong	75 - 125 mg
Duration (smoked)
Total duration	1 - 2 hours
Onset / Initial effects	5 - 10 minutes
Coming up	10 - 30 minutes
Peak	1 hour
Coming down	Abrupt
After effects	> 1 hour

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Mephedrone was first synthesised in 1929, but did not become widely known until it was rediscovered in 2003. By 2007, mephedrone was reported to be available for sale on the internet, by 2008 law enforcement agencies had become aware of the compound, and by 2010, it had been reported in most of Europe, becoming particularly prevalent in the United Kingdom.

Subjective effects

Toxicity and Harm Potential