Chondroitin Sulfate (CS) is one class of glycosaminoglycans (GAGs) consisting of N-acetylgalactosamine and glucuronic acid. It is a natural substance used for the treatment of osteoarthritic conditions. Predominant sources are bovine trachea, porcine skin and rib cartilage, and shark cartilage.
Appearance: Off white to creamy powder
Assay (dried basis, by CPC): 90.0%~105.0%
Assay (dried basis, by HPLC): 90.0%~105.0%
Specific rotation [α]D20: - 20º ~ - 30º
State of solution (absorbance): 0.35 max. at 420nm
Loss on drying: (4 hours at 105ºC) 12% max.
PH (1% solution): 5.5~7.5
Particle Size: 95% through 80 mesh
Residue on ignition (dried basis): 20.0%~30.0%
Chloride [Cl-]: 0.5% max.
Sulfate [SO4]: 0.5% max.
Bulk Density: 0.6g/ml min
Protein (dried basis): 6.0% max.