Xi 'an Green Spring Technology Co., Ltd
Xi 'an Green Spring Technology Co., Ltd
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CERTIFICATE OF ANALYSIS
| Product Name | Vinpocetine | Botanical Resource | Voacanga Seeds |
| Batch NO. | 20160520 | MFG. Date | May. 20, 2016 |
| Quantity | 25KGS | Expiry Date | May. 19, 2018 |
| Item | Specification | Result |
| Appearance | White or slightly yellow, crystalline powder | Conforms |
| Specific Rotation, C=1 [a]D20 | ﹢127 ~ ﹢134 | ﹢130.1 |
| Melting Point | 149°~ 153° | 150° |
| Solubility |
Practically insoluble in water, soluble in methylene chloride, slightly soluble in anhydrous ethanol. |
Conforms |
| Assay (On dried basis) | 98.5 – 101.5% | 99.10%(HPLC) |
| Related Substances | Impurity A: 0.6% Max. | 0.16% |
| Impurity B: 0.5% Max. | 0.15% | |
| Impurity C: 0.3% Max. | 0.07% | |
| Impurity D: 0.5% Max. | 0.16% | |
| Unspecified Impurity: 0.1% Max. | 0.03% | |
| Total Impurity: 1.0% Max. | 0.55% | |
| Heavy Metals | 10ppm Max. | Complies |
| Loss on Dried | 0.5% Max. | 0.17% |
| Sulphated Ash | 0.1% Max. | 0.02% |
| Storage | Cool & dry place. Keep away from heat. | |
| Remark | The product of this batch by inspection conforms to the standard of EP7.0. | |