The molecule is a UDP-N-acetyl-D-galactosamine(2-) in which the anomeric centre of the galactosamine moiety has alpha-configuration; major species at pH 7.3. It is an UDP-N-acetyl-D-galactosamine(2-) and an UDP-monosaccharide(2-). It is a conjugate base of an UDP-N-acetyl-alpha-D-galactosamine.
[(2R,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl] [[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] phosphate