4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate (sodium)
4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate sodium is a fluorescent dye. 4-Methylumbelliferyl-β-D-galactopyranoside 6-sulfate sodium can be used in the diagnosis of mucopolysaccharidosis IV A by detecting activity of galactose-6-sulphate sulphatase.