Chondroitin sulfate sodium salt CAS NO.9082-07-9

product name: chondroitin sulfate sodium salt

cas no.: 9082-07-9

molecular formula: c14h22nnao15s

molecular weight: 499.38

appearance: white or yellowish powder

assay: 91-105%

identification：ir & significant differential response to sodium

ph：5.5-7.5

clarity and the color of the solution(420nm wavelength)：0.35 max

specific rotation(30mg/ml)：-20°～-30°

chloride：0.5% max

sulfates：0.24% max

heavy metals: 0.002% max

loss on drying：10%max

residue on ignition: 20%-30%

organic solvent residue: 0.5% max

impurities in electrophoresis: 2% max

limit of protein (dry): 6% max

total bacterial count: 1000 cfu/g max

mold & yeast: 100 cfu/g max

salmonella: negative

escherichia coil: negative

package: 25kg/fibre drum