Levamisole hydrochloride (Levamisole hcl) levamisole hydrochloride CAS No.: 16595-80-5 Molecular formula: C11H13ClN2S Molecular weight: 240.75 EINECS number: 240-654-6 Use As an anthelmintic, it is suitable for the treatment of animal aphids, hookworms, etc. Use This product is an anthelmintic drug. The activity of levamisole is about twice that of the racemate, and the toxicity and side effects are also low. Levamisole can paralyze the aphid muscles and excrete with the feces. Mainly used for anti-aphids and anti-hookworms.