The molecule is a heparin disaccharide that is 2-O-sulfo-alpha-L-idopyranuronic acid in which the hydroxy group at position 4 has been glycosylated by 2-N,6-O-disulfo-alpha-D-glucosamine. Sequence: GlcNS6S-IdoA2S. It is a heparin disaccharide, an amino disaccharide and an oligosaccharide sulfate.
(2R,3S,4S,5R,6R)-3-[(2R,3R,4R,5S,6R)-4,5-dihydroxy-3-(sulfoamino)-6-(sulfooxymethyl)oxan-2-yl]oxy-4,6-dihydroxy-5-sulfooxyoxane-2-carboxylic acid