Levamisole hydrochloride is an immunomodulator. Levamisole hydrochloride is (-)-( S)-2,3,5, 6-tetrahydro-6-phenylimidazo [2,1-b] thiazole monohydrochloride C11H12N2S·HCL

Levamisole hydrochloride is a white to almost white crystalline powder which is almost odorless and is freely soluble in water. It is quite stable in acid aqueous media but hydrolyzes in alkaline or neutral solutions. It has a molecular weight of 240.75.

Levamisole hydrochloride is available in 10% 100ml injection.