Clinical data
AHFS/ International Drug Names
Routes of
ATC code A08AA08 (WHO)
Synonyms (+)-N-(2-chlorobenzyl)amphetamine
CAS Number 13364-32-4 YesY
PubChem (CID) 71675
ChemSpider 64732 YesY
UNII 4A5352XI2A YesY
KEGG D07115 YesY
ECHA InfoCard 100.033.108
Chemical and physical data
Formula C16H18ClN
Molar mass 259.78 g/mol
3D model (Jmol) Interactive image

Clobenzorex (Asenlix, Dinintel, Finedal, Rexigen) is a stimulant drug of the phenethylamine and amphetamine chemical classes used as an appetite suppressant. The drug is legally distributed in Mexico under the trade name Asenlix by Aventis.

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.[1]

In the United States, clobenzorex tablets (among other varieties of stimulants, such as amphetamine) have been used by athletes who ingest the drug to reduce fatigue, increase attention, and improve reaction times during athletic activities. The green-tinted Asenlix capsules (generic forms can be seen as half light green, half dark green capsules marked "IFA") are known as "greenies" among US baseball players, a slang term that in current use has expanded to generically refer to any amphetamine class stimulant.

See also


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