| Model: | GS12 |
|---|---|
| Brand: | Hangzhou Greensky |
| Origin: | Made In China |
| Category: | Agriculture & Foods / Agricultural Products & Resources / Plant Extract |
| Label: | vinpocetine |
| Price: |
US $10
/ kg
|
| Min. Order: | 25 kg |
| Live Chat: | Last Online:28 Nov, 2012 |
Product Name: Vinpocetine
Type: new products
Specification: Vinpocetine 99%
White crystalline powder
Quality standard: EP6.0
|
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% |
0.19% |
|
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 |
|
| Payment Terms: | T/T |
|---|---|
| Embed HTML Code: | Certificate of Analysis Product Name: Spongilla powder Quantity: 500kgs Batch No.: GS20111120 Mfg Date: 2011.11.20 Analysis Date: 2011.11.20 Expire Date: 2013.05.19 Items Specification Test Results Method Description: Appearance Brown powder Complies Visual Odor Characteristic Complies Organoleptic Taste Characteristic Complies Organoleptic Powder size 100% through 80 mesh Complies 80 mesh Screen Physical &Chemical: Loss on drying Max.10.0% Complies 5g/105℃/3hrs Ash Max.10.0% Complies 2g/525℃/5hrs Total Heavy Metal Max.20ppm Complies AAS Arsenic Max.2ppm Complies AAS Microbiological: Total plate count Max.1000 cfu/g Complies CP2005 Yeast & Mold Max.100 cfu/g Complies CP2005 E.Coli Negative Negative CP2005 Salmonella Negative Negative CP2005 Conclusion Qualified |
