China wholesale Yohimbine Hydrochloride - EP BP USP Ready stock 42971-09-5 Vinpocetine – Yibai
China wholesale Yohimbine Hydrochloride - EP BP USP Ready stock 42971-09-5 Vinpocetine – Yibai Detail:
Product name | Vinpocetine |
Synonyms | Ethyl (3alpha,16alpha)-eburnamenine-14-carboxylate |
Structure | |
CAS No. | 42971-09-5 |
Appearance | White powder |
Molecular Formula | C22H26N2O2 |
Molecular Weight | 350.45 |
Application | Pharma grade or research purpose |
Packing | As per your request |
Storage | Preserve in tight,light-resistant containers in a cool place |
Vinpocetine CAS No.: 42971-09-5 |
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ITEMS |
STANDARDS |
RESULTS |
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Appearance |
It is white or very slightly yellow,crystalline powder |
Complies |
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Solubility |
Practically insoluble in water, soluble in methylene chloride, slightly soluble in anhydrous ethanol |
Complies |
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Identification |
IR: Should be positive |
Complies |
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HPLC: the retention time of the main peak of the sample solution corresponds to that of the principal peak for the stock standard solution, as obtained in the test for organic impurities |
Complies |
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Specific Optical Rotation |
+127°to +134° |
+130.8° |
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Related Substances (HPLC) |
Impurity A: ≤0.6% Impurity B: ≤0.5% Impurity C: ≤0.3% Impurity D: ≤0.5% Unspecified Impurities: ≤0.1% Total Impurities: ≤1.0% |
0.13% 0.04% NA NA 0.03% 0.20% |
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Loss on drying |
≤0.5% |
0.27% |
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Heavy metals |
≤10ppm |
Complies |
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Sulphated Ash |
≤0.1% |
0.05% |
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Assay(HPLC) |
98.5%~101.5% |
99.4% |
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Conclusion | Complies. |
Company Information
√ Management layer’s full experience in factory and skilled technicians followers; √ Quality is always our top consideration, Strict QC system; √ 11 years experienced exporting sales team; √ Independent R&D lab; √ Two signed long term GMP workshops; √ Rich resources of plenty idle factories for customized project; √ High Efficiency working team with consistent path.Product detail pictures:
Related Product Guide:
To create more value for customers is our business philosophy; customer growing is our working chase for China wholesale Yohimbine Hydrochloride - EP BP USP Ready stock 42971-09-5 Vinpocetine – Yibai , The product will supply to all over the world, such as: Brunei, Iraq, Latvia, In order to meet our market demands, we have paied more attention to the quality of our products and services. Now we can meet customers' special requirements for special designs. We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.
By Faithe from Swansea - 2017.08.15 12:36
Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
By Gloria from Burundi - 2017.02.18 15:54