 Chemically, clobenzorex is an "N"-substituted amphetamine analog that is converted to "d"-amphetamine soon after ingestion.In commercial production, clobenzorex is supplied in 30 mg doses as the hydrochloride salt in green-tinted capsules.The drug gained use as a prescription anorectic in the 1970s; however, adverse reactions were eventually observed, which led to the prohibition of clobenzorex in the United States and certain other countries.