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】 ps0837-0025
【product name】 guaijaverin
【cas number】 22255-13-6
【synonyms】 feniculin; feniculine; foeniculin; foeniculin (glycoside); guaiaverin; guajavarin; guajaverin; quercetin-3-o-α-l-arabinoside; quercetin 3-α-l-arabinopyranoside; quercetin3-o-α-l-arabinopyranoside; 5,7,3',4'-tetrahydroxyflavone 3-o-α-l-arabinoside
【chemical name】 4h-1-benzopyran-4-one, 3-(α-l-arabinopyranosyloxy)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-
【chemical formula】 c20h18o11
【molecular weight】 434.35
【chemotaxonomic group】 flavonoids
【grade】 >98.5%(hplc&tlc)
【appearance】 straw yellow powder
【size】 25mg
【storage】 keep in dark place