Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 6211-15-0, Whether you call it Morphine Sulfate or 7 -8-Didehydro-4 -5-epoxy-17-methylmorphinan-3 -6-diol you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.