It exhibits strong effect in the treatment of gastric, colon and rectum cancers withfewer side effects. Also it is proved very effective in the treatment of lungcancer. It is used in treatment of leukemia and hydatidiform mole as well. CAS No.: 136572-09-3Plant Source: Camptotheca AcuminataeSpecific rotation: +60~73癕elting Point: 251~257癈PH: 3.0~5.0Contents (HPLC): 99% min. Water: 7.0~9.0% producing area:China