The molecule is a glycosylglucopyranuronic acid consisting of beta-D-xylopyranose and beta-D-glucopyranuronic acid residues joined in sequence by a (1->4) glycosidic bond. It is a monocarboxylic acid and a glycosylglucopyranuronic acid. It derives from a beta-D-glucuronic acid and a beta-D-xylose.
(2S,3S,4R,5R,6R)-4,5,6-trihydroxy-3-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxyoxane-2-carboxylic acid