[Name]·ªCamptothecin [Plant Origin]·ªCamptotheea Acuminata [Specification]·ª HPLC detect with content of more than 98% [Molecule formula] : C20H16N2O4 [Molecule weight] : 348.36 [Appearance]: White crystalline powder [CAS registry NO]: 7689-03-4 [Function]·ªAnti-tumor, immunosuppressive, anti-virus, anti-early pregnancy. This project has mature separation and Purification Process ,we can offer different specifications according to customers specific requirements. One gram for a package.