Professional China Yohimbine – EP BP USP Ready stock 42971-09-5 Vinpocetine – Yibai

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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
ITEMS	STANDARDS	RESULTS
Appearance	It is white or very slightly yellow,crystalline powder	Complies
Solubility	Practically insoluble in water, soluble in methylene chloride, slightly soluble in anhydrous ethanol	Complies
Identification	IR: Should be positive	Complies
Identification	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
Specific Optical Rotation	+127°to +134°	+130.8°
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%
Loss on drying	≤0.5%	0.27%
Heavy metals	≤10ppm	Complies
Sulphated Ash	≤0.1%	0.05%
Assay(HPLC)	98.5%~101.5%	99.4%
Conclusion	Complies.

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"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system 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: Las Vegas, Czech Republic, Atlanta, We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.

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