camptothecin Extract

1. Material: camptotheca acuminate

2.Description: Brown crystalline powder; easy to loss activity under light.

3.Molecular formula: C20H16N2O4

4.Specification: assay: 98% 99% HPLC

                           Ash: 0.3%

           Loss on drying: max 0.5%

               Metal heavy: 10ppm

           Specificrotation +29.0-+31.3

           Residual solvents: comform to the ICH guideline Q3C

        Total plate account: max. 1000cfu/g

           Yeast and molds;max. 100cfu/g

        E.coli: negative/g

        Salmonella: negative/g

Main function : a. anti-cancer

                      b.  antivira