chondroitin硫酸

Chondroitin Sulfate (Chondroitin Sulphate Sodium) Synonyms:Poly--1(2/3)-N-acetyl-2-amino-2-deoxy-3-O-beta-D-glucopyranurosyl-4-(6)sulfonyl-D-galactose Molecular formula: (C14H21NO14S)n Molecular weight : 0. 1 0. 3 x10 6 Da C.A.S number : 9007-28-7 Assay: ≥85%,90%,95% teristic: White or off-white powder Solubility: Soluble in water, insoluble in ethanol. Function and Usage: Chondroitin sulfate is an important structural component of cartilage and provides much of its resistance to compression. Along with glucosamine, chondroitin sulfate has become a widely used dietary supplement for treatment of osteoarthritis. Chondroitin sulfate also can be used in the treatment of neuropathic pain, arthritis, tinnitus and promote ulcer healing and prevention of high blood cholesterol. Test ItemsSpecificationsResultAppearance Off-White Powder CompliesOptical Rotation(12°) (-20°)18.0° Assay ≥90%90.8%Loss on drying10%9.7%Protein≤6.0%3.0%Residue on Ignition20.0% 30.0%25.1%Chlorides≤0.50%0.42%Sulphates≤0.24%0.18%Heavy Metals≤20ppmCompliesArsenic1ppmCompliesPH (1% Solution)5.5 7.56.4Total plate count1,000cfu/gCompliesYeast & Mold100cfu/gCompliesE. ColiNegativeNegativeSalmonellaNegativeNegativeConclusionUSP standard Complies Shelf Life Three Years