Vincetoxicoside B CAS NO.22007-72-3

High  purity , competitive price , warm sevice , providing HPLC ，MS , NMR , COA. The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product.

Package Size: 500mg/1g standard packing or according to customers' requirement (Do not supply kgs or tons.)

Chengdu Push Bio-technology Co., Ltd., a service type high-tech enterprise, is specialized in research and development of medicinal active ingredients  standard outsourcing,  provides solutions of efficient pharmaceutical ingredient separation and purification processes.we provide:

1.TCM(Traditional Chinese Medicine) compounds library for drug screen, more than 700 compounds instock.

2. Custom-R&D and manufacturing service for high purity active ingredients of Chinese herbs.

3. Custom-R&D and manufacturing service for reference substances of Chinese herbs.

4. Process development and large-scale production of separation and purification for high purity natural pharmaceutical ingredients.

5. Chemical substances separation , purification , impurities isolation and identification service.

【Product Number】PS0841-0010

【Product Name】Vincetoxicoside B

【CAS Number】  22007-72-3

【Synonyms】  7-Rhamnosylquercetin; Quercetin 7-rhamnoside; Quercetin 7-O-rhamnoside; Quercetin-7-α-L-rhamnoside

【Chemical Name】  4H-1-Benzopyran-4-one, 7-[(6-deoxy-α-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-

【Chemical Formula】  C₂₁H₂₀O₁₁

【Molecular Weight】  448.38

【Chemotaxonomic Group】  Flavonoids

【Grade】  ＞95.0%（HPLC）

【Appearance】  Straw Yellow Powder

【Size】  10mg

【Storage】  Keep in Dark Place