The molecule is an aminodisaccharide consisting of N-acetylneuraminic acid and 2-acetamido-2-deoxy-D-galactopyranose joined in sequence by a (2->3) glycosidic bond. It is a member of neuraminic acids, an amino disaccharide, a monocarboxylic acid and a member of acetamides.
(2S,4S,5R,6R)-5-acetamido-2-[(3R,4R,5R,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid