Professional China Yohimbine – EP BP USP Ready stock 42971-09-5 Vinpocetine – Yibai
Professional China Yohimbine – 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:
We are proud of the high customer satisfaction and wide acceptance due to our persistent pursuit of high quality both on product and service for Professional China Yohimbine – EP BP USP Ready stock 42971-09-5 Vinpocetine – Yibai , The product will supply to all over the world, such as: Belize, Bangladesh, Argentina, We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.
By trameka milhouse from Singapore - 2018.11.11 19:52
This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
By Fanny from Birmingham - 2017.09.09 10:18