Procyanidin B1 CAS NO.20315-25-7

High purity, competitive price, warm service. Providing HPLC, MS, NMR, COA.

Sichuan Weikeqi Biological Technology CO., LTD. was established in 2006.  We are located in chengdu city, sichuan province, a professional company engaged in researching, developing and selling natural medicine purification separation of traditional Chinese medicine reference standard production.

Mature technology of  purification and separation as follow: licorice series, ginseng, Scurfpea fruit series, the series of tripterygium wilfordii, ginkgo series, the series of astragalosides, radix scutellariae, radix bupleuri,  spaina date seed series, rhizoma paridis series, fructus schisandrae series, radix et rhizoma rhei, danshen root, thinleaf milkwort root-bark, etc.