Mephedrone Powder: The base is a yellowish liquid at ambient temperature.Mephedrone hydrochloride salt is a white or lightly coloured powder.
4-Methylmethcathinone (also known as 4-MMC, M-CAT, drone, meow meow, and mephedrone) is a entactogen-stimulant substance of the cathinone class. Mephedrone belongs to a group known as the substituted cathinone, which are derivatives of the active ingredient in the khat plant (Catha edulluis).
Mephedrone was first synthesized in 1929, but did not become widely known until it was rediscovered in 2003. By 2007, it was reported to be available for sale on the internet. Also, by 2008 law enforcement agencies had become aware of the compound. Furthermore, by 2010 it had been reported in most of Europe, becoming particularly prevalent in the United Kingdom.
It comes in the form of tablets or a powder, which users can swallow, snort, inject or insert rectally.It produces effects which are somewhat similar to those of MDMA, amphetamine, and cocaine. It is reported to produce a mixture of classic stimulant and entactogenic effects effects reminiscent of cocaine and MDMA.