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-beta-D-Galactoside, 4-Methylumbelliferyl-&#223 or -D-galactopyranoside you can be assured the 4-Methylumbelliferyl-beta-D-Galactoside products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.