China factory sell 7-Ethyl-10-Hydroxycamptothecin CAS 86639-52-3 SN-38

Details 

1. Camptotheca acuminata (Camptotheca, Happy tree), a tree native to Hunan ,Guangxi, Sichuan province of China. Camptotheca acuminata used as a cancer treatment in Traditional Chinese Medicine.Generally, the leaves and the fruits of happy tree are applied for the extraction of camptothecin.
2. Nothapodytes pittosporoides(Mappia), a tree wild spread in Hunan ,Guangxi, Sichuan province of China. The root of the tree is applied for the extraction of campothecin, most of this origin is applied for R&D.
 

What is 7-Ethyl-10-Hydroxycamptothecin?

7-Ethyl-10-Hydroxycampothecin (SN-38) is a derivative from 10-hydroxycamptothecin(10-HCPT),10-HCPT is natural campthecin, a cytotoxic quinoline alkaloid originated from camtotheca acuminata or Nothapodytes pittosporoides(Mappia). This SN-38 is natural from natural camptothecin.