Appearance: Yellow powder or yellow crystalline powder

Assay : 95.0%-102.0%

Identification: IR&UV

Positive reaction: Complies

Color & Clarification of methanol solution: Complies

Camptothecin & other related substances: Complies

Loss on drying: 5.00%max

Residue on ignition: 1.00%max

Package: 25kg/fibre drum