Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 134-31-6, Whether you call it 8-Hydroxyquinoline Sulfate, Oxyquinoline Sulfate or 8-Quinolinol Sulfate you can be assured the 8-Hydroxyquinoline Sulfate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.