Description_x000D_ General description_x000D_ Uridine 5′-diphospho-α-D-galactose/UDP-Gal is a nucleotide sugar._x000D_ Application_x000D_ Uridine 5′-diphosphogalactose disodium salt has been used as a component in galactosyltransferase labeling buffer to prelabel terminal N-acetylglucosamine (GlcNAc) on immunoglobulin chains. It has also been used as a component in Hyp O-galactosyltransferase (HPGT) assay._x000D_ Packaging_x000D_ 25, 100 mg in poly bottle_x000D_ 5, 10 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ Uridine 5′-diphospho-α-D-galactose/UDP-Gal can block BALB/3T12 cell development. In mammals, it is very essential for glycoconjugate biosynthesis.