Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 6160-78-7, Whether you call it 4-Methylumbelliferyl <greek>b<P>-D-Galactoside or 4-Methylumbelliferyl-Beta-D-galactopyranoside you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.