Chondroitin Sulfate Sodium consists mostly of the sodium salt of the sulfate eater of N-acetylchondrosamine (2-acetamido-2-deoxy-β-D-galactopyranose) and D-glucuronic acid copolymer. These hexoses are alternately linked β-1,4 and β-1,3 in the polymer. Chondrosamine moieties in the prevalent glycosaminoglycan are monosulfated primarily on position 4 and less so on position 6.

Chondroitin Sulfate Sodium is a white powder, odourless, tasteless, hygroscopicity, freely soluble in water and insoluble in organic solvent such as ethanol, acetone and aether and so on. Chondroitin Sulfate aqueous solution is instable under high temperature or acid, deacetylation degrade into monosaccharide or low molecule weight polysaccharide.
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