Camptothecin 10-Hydroxycamptothecin 7-Ethyl-Camptothecin 7-Ethyl-10-Hydroxycamptothecin Andrographolide Extractum herba andrographitis		7-Ethyl-10-Hydroxycamptothecin Appearance: Similar to white crystalline powder   Content: >98%   Structural formula:   Molecular formula: C22H20N2O5   Solubility: 1mg this product appears bright yellow in 1ml dimethylsulfoxide .   Residue on ignition: <0.5%   Brief introduction: SN-38 is the catabolite of CPT-11, pure products are white needle crystal, soluble in dimethylsulfoxide, slightly soluble in methanol, ethanol, almost insoluble in water and hloroform. Soluble in hot ethanol and DMF Mp.224°C. Mainly used in preparing CPT-11. SN-38 can be used in curing small-cell carcinoma of the lung, cancer of rectum with VP-16, adriamycin and bleomycin etc..   Storage: Sealed, avoid sunlight and moisture.
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