Product Name : Camptothecin CAS NO : 7689-03-4 Molecular formula : C20H16N2O4 Weight : 348.34 Specifications content : 98% Detection methods : HPLC Products shape : Pale yellow needle crystal Physical Properties : melting point 259 -263, soluble alkaline solution, micro-soluble organic solvents, do not dissolve in water Pharmacological effects: the main anti-tumor immune suppression, anti-virus, anti-early pregnancy, changes in the epidermal skin keratosis process. Product Source : Nyssaceae plant Camptotheca acuminata (Camptotheca acuminata Decne) of the fruit, leaves Production Process : The main question from alcohol, extraction, crystallization processes completed Save: cool dry, dark, avoiding high-temperature Shelf life : two years