(±)-Methamphetamine-d6 (hydrochloride) (Item No. 22833) is intended for use as an internal standard for the quantification of (±)-methamphetamine by GC- or LC-MS. (±)-Methamphetamine is categorized as an amphetamine and consists of dextrorotary and levorotary enantiomers. (+)-Methamphetamine is the more physiologically active isomer compared with (–)-methamphetamine . Methamphetamine is both neurotoxic and frequently abused. (±)-Methamphetamine-d6 is regulated as a Schedule II compound in the United States. This product is intended for research and forensic applications.