Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 64461-82-1, Whether you call it Tizanidine Hydrochloride or 5-Chloro-4-(2-imidazolin-2-ylamino)-2 -1 -3-benzothiadiazole Hydrochloride you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.