CAS number：137-08-6
Molecular formula：C18H32CaN2O10
molecular weight：476.53
Chemical structure：
| Product name: | D-Calcium pantothenate | |
| Expiry Date: | Three years | |
| Inspection Standard: | USP30 |
|
| Tests | Specification | Results |
| Appearance | White powder | Conform |
| A: Infrared Absorption 197K | concordant with the reference spectrum | Conform |
| B: A solution ( 1 in 20) responds to the tests for Caicium | conform to USP30 | Conform |
| Specific optical rotation | +25.0°～+27.5° | +26.77° |
| Alkalinity | no pink color is produced within 5 seconds | Conform |
| Loss on drying | not more than 5.0% | 4.78% |
| Heavy metals | not more than 0.002% | Conform |
| Ordinary impurities | not more than 1.0% | Conform |
| Organic volatile impurities | meet the requirements | Conform |
| Nitrogen content | 5.7%～6.0% | 5.8% |
| Content of calcium | 8.2～8.6% | 8.39% |
|
Conclusion : Conform to USP30 |
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