The molecule is a polyanionic polymer obtained by deprotonation of the carboxy groups of glucuronoxylan 4-O-methyl-D-glucuronate. Major microspecies at pH 7.3 It is a polyanionic polymer and a carbohydrate acid derivative anion. It is a conjugate base of a glucuronoxylan 4-O-methyl-D-glucuronate.
(2S,3S,4R,5R,6S)-4,5-dihydroxy-6-[(2S,3R,4S,5R)-4-hydroxy-5-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxy-2-[(3R,4R,5R,6R)-4,5,6-trihydroxyoxan-3-yl]oxyoxan-3-yl]oxy-3-methoxyoxane-2-carboxylate