N-Acetyl-3-methylmethcathinone is a compound which has been sold as a clanedestine precursor to the designer drug 3-methylmethcathinone (3-MMC). It is primarily produced to avoid local drug laws banning 3-MMC.
In 2019, Dutch police seized a shipment of 350 kilograms of N-acetyl-3-MMC bound for a Dutch clandestine production site. The shipment originated from India. It was found in jerrycans and barrels.