Methylone

Molecular Formula:C11H13NO3

Molecular Weight:207.23g/mol

Description:Methylone, also known as "M1", 3,4-methylenedioxy-N-methylcathinone, bk-MDMA, MDMC, and in the UK as Arlone, is an entactogen and stimulant of the phenethylamine, amphetamine, and cathinone classes.It is a close structural analogue of MDMA, differing by the addition of a β-ketone group.

from:http://www.chemicalspharm.com/New-Products/Methylone-/