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 |
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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:
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"Sincerity, Innovation, Rigorousness, and Efficiency" could be the persistent conception of our organization for your long-term to establish alongside one another with shoppers for mutual reciprocity and mutual benefit 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: UK, Hungary, Latvia, Certainly, competitive price, suitable package and timely delivery will be assured as per customers' demands. We sincerely hope to build business relationship with you on the basis of mutual benefit and profit in the very near future. Warmly welcome to contact us and become our direct cooperators.
The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!






