levopropylhexedrine levopropylhexedrine levopropylhexedrine (eventin) is an adrenergic alkylamine used as an anorectic in germany and patented by smith kline & french in 1947. it has also been used in the anticonvulsant preparation barbexaclone in combination with phenobarbital to offset sedation. levopropylhexedrine is the levorotatory s-enantiomer of propylhexedrine. the dextrorotatory counterpart is known as dextropropylhexedrine. levopropylhexedrineclinical dataroutes ofadministrationoralatc codenonelegal statuslegal status in general: ℞ (prescription only) identifiers iupac name (s)-1-cyclohexyl-n-methylpropan-2-amine cas number6192-97-8pubchem cid71197chemspider64333unii4r3l4tyv09echa infocard100.025.678 chemical and physical dataformulac10h21nmolar mass155.285 g·mol−13d model (jsmol)interactive image smiles n((cc1ccccc1)c)c