Product Name: D-Calcium pantothenate Expiry date: 3 years Standard : USP34 |
|
Items of analysis |
Specification |
Appearance |
White powder |
Identification |
Concordant with the reference spectrum conform to USP39 |
A:Infrared Absorption<197K> B:A solution (1 in 20) responds to the tests for Calcium |
|
Specific rotation (test solution: 50mg/ml, in water) |
+25.0°~ +27.5° |
Alkalinity |
No pink color is produced within 5 seconds |
Loss on drying(105°,3h) |
≤5.0% |
Heavy metals |
≤0.002% |
Ordinary impurities |
≤1.0% |
Nitrogen content |
5.7%-6.0% |
Content of calcium |
8.2%-8.6% |
Organic volatile impurities |
Meet the requirements |
Assay |
98.0%-102% |
Conclusion: Conform to USP39 |