Basic Information 1. Quality Standard: USP39 2. Package Size: 25kg/drum 3. Usage: used in food, nutrition products, medicine, health-care food and dietary supplements. 4. Period of Validity: 2 years Special specs of Chondroitin Sulfate 1. Bulk density:0.8、0.5、0.3（g/ml） 2. Granular：20、40、60 Mesh Physical Nature of Chondroitin Sulfate 1. White powder or similar, without visible impurities. 2. Odorless, wetting 3. Soluble in water, non-soluble in Ethanol, Acetone, organic solvents, etc. Brief Introduction of Chondroitin Sulfate Chondroitin Sulfate is a substance abundant in cartilage. It is Acid Mucopolycaccharides extracted and produced from cartilage tissues, with its main ingredients as Chond roitin Sulfate A and Chondroitin Sulfate C, which can be extracted from cartilage of chicken and duck.