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1 Kilogram |
FOB Price:USD 10.0000 -99.0000 |
42971-09-5 Factory supply high quality Vinpocetine Vinpocetine CAS 42971-09-5
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Items |
Specification(BP2000)
|
Results |
appearance |
White or slightly yellow, crystalline powder |
White crystalline |
Solubility |
Practically insoluble in water, soluble in methylene chloride, slightly soluble in anhydrousethanol |
confirms |
Identification (IR) |
same wave numbers as that of the Vinpocetine, CRS similarly prepared CRS similarly prepared. |
Conforms |
Specific Optical Rotation(On dried basis) |
Between +127° and +134° |
+132.7° |
Related Substances (External Standard method) |
||
Ethyl vincaminate(A) |
≤0.6% |
Conforms |
Apovincamine(B) |
≤0.5% |
Conforms |
Methoxyvinpocetine(C) |
≤0.3% |
Not detected |
Dihydrovinpocetine(D) |
≤ 0.5% |
Not detected |
Other single impurity |
≤0.10% |
Conforms |
Total impurity |
≤ 1.0% |
|
Loss on drying
|
≤ 0.5% |
0.04% |
Sulphated ash
|
≤ 0.1% |
0.07% |
Assay(On dried basis) |
98.5% ~101,5% , |
100.2% |
Conclusion |
qualified |
Packaging & Shipping
25kg/bag or as your requirements.
Prompt shipment after receipt of your order confirmation.
Transit could be DHL,UPS,TNT,EMS,Fedex,and so on.
For mass orders, it will be delivered by air or sea.
Depending on your location, please allow 1-5 business days for your order to arrive.
For small order, please expect 3-7 days by UPS DHL EMS.
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