Product Code Pack Size Sterling Euros Dollars      44050  25mg  £140  €223  $287   4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate sodium salt 4-Methylumbelliferyl beta-D-galactopyranoside-6-sulfate sodium salt; 4MU beta-D-galactopyranoside-6-sulfate sodium salt CAS: 126938-14-5 MF: C16H17O11NaS MW: 440.40 >98% [HPLC]. Free 4MU < 100ppm. Non-sulfated product < 0.1%. Fluorogenic substrate for the diagnosis of Morquio disease type A: O.P. van Diggelen et al., Clin. Chem. Acta, 187, 131 (1990).