The molecule is an amino trisaccharide composed of 2-acetamido-4-O-sulfo-beta-D-galactopyranosyl, 2-acetamido-beta-D-glucopyranosyl, and alpha-D-mannopyranose residues coupled in sequence by (1->4) and (1->2) glycosidic bonds. It is an oligosaccharide sulfate, an amino trisaccharide and a member of acetamides.
[(2R,3R,4R,5R,6S)-5-acetamido-6-[(2R,3S,4R,5R,6S)-5-acetamido-4-hydroxy-2-(hydroxymethyl)-6-[(2S,3S,4S,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)oxan-3-yl] hydrogen sulfate