Methcathinone (α-methylamino-propiophenone or ephedrone) (sometimes called `cat` or `jeff`) is a monoamine alkaloid and psychoactive stimulant, a substituted cathinone. It is used as a recreational drug and considered to be addictive. It is usually snorted, but can be smoked, injected, or taken orally. Methcathinone is listed as a Schedule I ...