喜树碱

NAME: Camptothecin CAS No.: 7689-03-4 Molecular formula: C20H16N2O4 Specification: Assay: 98% (HPLC) Specific optical rotation : +31°~ +32° Melting point: 264℃ ~ 267℃ Loss on drying: <0.5% Ash: <1% Heavy metals: <10ppm Arsenic: <1ppm Appearance: Light yellow fine powder Botanical Source: 1) Nothapodytes Pittosporoides sleum 2) Camptotheca acuminata decne Storage: Store in cool & dry area, keep away from the direct light and heat. Shelf life: Two (2) years. Package: 25Kgs/fibre drum.