chondroitin sulfate

1.Name:Chondroitin Sulfate(CS) 2.CAS NO:9082-07-9 3.Appearance:White to off-white powder 4.Purity:90% 95%ect 5.Standard:USP Chondroitin Sulfate (CS) Items Standard Appearance White to white-Off Powder Chondroitin sulfate NLT90%(HPLC OR CPC) Loss on Drying NMT10% PH 5.5-7.5 Specific Rotation -20°-30° Bulk Density NLT0.55g/ml Heavy Metal NMT20ppm Protein Content NMT6.0% Chloride NMT0.5% Nitrogen 2.5%-3.8% Residue on Ignition 20%-30% Total Plate Count NMT1000cfu/gm Yeast & Molds NMT100cfu/gm E.Coli / Salmonella / Taphylococcus /