Camptothecin, 9-nitro-20(S) Description Active derivative of camptothecin. Induces apoptosis and inhibits HIV. Specifications Cas No. 91421-42-0 Product ID C0156 Product Name Camptothecin, 9-nitro-20(S) Chemical Name 9-Nitro-20(S)-Camptothecin Synonym Rubitecan, 9-nitrocamptothecin, 9-nitro-CPT Formula Wt. 393.35 Melting Point 182 Purity ≥98% Store Temp -20oC References Chatterjee D. Schmitz I. Krueger A. et al Cancer Res. 61:7148-54 (2001). Hung CL. Doniger J. Palini A. et al. J Med Virology. 64:238-44 (2001).