Certificate of Analysis
Product Name |
Chondroitin Sulfate |
Country of Origin |
China |
CAS No |
9007-28-7 |
Molecular Formula |
C13H21NO16S |
Batch No. |
JHD-20210515 |
Batch Quantity |
1000kgs |
Manufacturing Date |
May15, 2021 |
Expiry Date |
May 14, 2023 |
Items |
Specification |
Result |
CPC |
90.0% |
90.8% |
Identification |
Infrared absorption atlas meets standard |
Conforms |
PHYSICAL CHARACTERISTICS |
||
Description |
White crystals or crystalline powder |
Complies |
pH |
5.5~7.5 |
6.7 |
Specific rotation (1%) |
--20°~ -30° |
-22.8° |
Transparency and Colour |
≤0.350(420nm) |
0.14 |
Loss on drying |
≤10.0% |
8.9% |
Residue on ignition |
20.0%~30.0% |
23.8% |
CHEMICAL CHARACTERISTICS |
||
Sulphate |
≤0.24% |
<0.15% |
Chloride |
≤0.50% |
<0.21% |
Limit of protein |
≤6.0% |
5.0% |
Heavy metals (Pb) |
≤20ppm |
<20ppm |
Electrophoretic purity |
≤0.2% |
Complies |
Microbiological Characteristics |
||
Total plate count |
≤1000cfu/g |
Conforms |
Mold & Yeast |
≤100cfu/g |
Conforms |
Escherichia coli bacteria |
Negative |
Not-detected |
Salmonella bacteria |
Negative |
Not-detected |
Packing and Storage |
Store in tight, light-resistant containers, avoid exposure to direct sunlight, moisture and heat. |
|
Conclusion |
The product can conform with USP standard. |