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CAS NO.9082-07-9
Product name: Chondroitin Sulfate Sodium
CAS No.：9082-07-9
Molecule Formula：C14H22NNaO16S
Molecule Weight：515.3763
Purity: 91.0%
Package: 25kg/drum
Description：White or almost white powder
Manufacture Standards：USP/EP
|
TESTING ITEMS |
SPECIFICATION |
RESULTS |
|
Appearance |
White or almost white powder |
Almost white powder |
|
Identification |
A)Infrared absorption: The IR spectrum is consistent with RS |
Conforms |
|
B) Meet the requirement of Sodium |
Conforms |
|
|
Clarity and color of solution |
Absorbance ≤0.35 |
0.13 |
|
PH |
5.5~7.5 |
6.6 |
|
Loss on drying |
≤12.0% |
9.2% |
|
Residue on ignition |
20.0%~30.0% |
23.4% |
|
Chloride |
≤0.50% |
<0.50% |
|
Sulfate |
≤0.24% |
<0.24% |
|
Heavy metals |
≤0.002% |
<0.002% |
|
Organic volatile impurities |
≤0.5% |
Meets the requirements |
|
Electrophoretic purity |
Individual impurity ≤2% |
<0.2% |
|
Limit of protein |
≤6.0% |
3.4% |
|
Content (on dried basis) |
90.0%~105.0% |
91.2% |
|
Microbial enumeration |
bacterial count. ≤1000cfu/g |
40CFU/g |
|
Molds and yeasts count. ≤100cfu/g |
<10CUF/g |
|
|
Salmonella and Escherichia coli: Negative |
Negative |
|
|
Conclusion: The Product Conforms to USP. |
||