The molecule is the organosulfate oxoanion that is the conjugate base of chondroitin 4'-sulfate. It is an organosulfate oxoanion, a carboxylic acid anion and a polyanionic polymer. It is a conjugate base of a chondroitin 4'-sulfate.
(2S,3S,4S,5R,6R)-6-[(2R,3R,4R,5R,6R)-3-acetamido-2-hydroxy-6-(hydroxymethyl)-5-sulfonatooxyoxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate