Factory supply CEP grade low price natural chondroitin sulfate

Dongcheng is also the biggest Chondroitin Sulphate manufacturer in China. We are the first CS manufacturer in China that has passed the inspection from USP – DSIVP, and has been authorized to use USP Verification mark.

Furthermore, we have also achieved CEP certificate for Chondroitin Sulphate. As the technical leader over Chinese biochemical API industry, Dongcheng has been invited to assist the establishment of Chinese Pharmacopoeia 2010/2015 version both for HS and CS quality standards. 

Product Parameters

Item	Standard(e.g. USP)
Properties	white Crystalline powder
Assay	98.0%-102.0% (as dry)
Residue on Ignition	≤0.1%
Loss on Drying	≤1.0%
pH (5%, 20°C)	3.0—5.0
Chlorine ion	≤17.00%
Iron ion	≤10PPM
sulfate	≤0.24%
Organic volatile impurities	meets the requirements
Heavy Metals	≤10PPM
Specific optical rotation (5% solution,stable for 20hr)	+70.0°--+73.0°
Microbiological Test Total plate count Yeast&mold Salmonella E.Coli	MAX 500/g MAX 100/g negative negative
Package and storage	Preserve in tight,light-resistant containers
Expiry date	Two years

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