5-Cl-bk-MPA

5-Chloro-β-keto-methiopropamine (5-Cl-βk-MPA) is a recreational designer drug with stimulant effects. It is a substituted cathinone derivative with a thiophene core, closely related to better known drugs such as βk-Methiopropamine and mephedrene.

Hungary
5-Cl-βk-MPA was first identified in Hungary in 2017, and was made illegal in 2018.

Italy
5-Cl-βk-MPA was made illegal in Italy in 2020.