1-(4-Methoxyphenyl) piperazine (hydrochloride) is a piperazine derivative with euphoric, stimulant properties comparable to those produced by amphetamine. It is assumed to have a mixed mechanism of action, with serotonergic and dopamine antagonistic properties in a similar fashion to 3,4-methylenedioxymethamphetamine. Also, its metabolism has been described. This product is intended for research and forensic purposes.