Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 65899-73-2, Whether you call it Tioconazole or 1-[2-[(2-Chloro-3-thienyl)methoxy]-2-(2 -4- dichlorophenyl)ethyl]-1H-imidazole you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.