The molecule is a heparin disaccharide that is N-acetyl-alpha-D-glucosamine in which the hydroxy group at position 4 has been glycosylated by alpha-L-idopyranuronic acid. Sequence: IdoA-GlcNAc It is a heparin disaccharide, an amino disaccharide and an oligosaccharide sulfate.
(2R,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6S)-5-acetamido-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid