Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 16595-80-5, Whether you call it Levamisole Hydrochloride, (S)-2 -3 -5 -6-Tetrahydro-6-phenylimidazo[2 -1-b][1 -3]thiazole or (-)-Tetramisole Hydrochloride you can be assured the Levamisole Hydrochloride products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.