7-Ethyl-10-hydroxycamptothecin
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Appearance
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White to pale yellow crystalline powder
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Solubility
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Soluble in DMSO,sparingly soluble in methanol,ethanol,N,N-dimethyl formamide,and ically practformamide,and practically inlsoluble in water
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IR
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The IR Spectrogram Conforms to the characteristic peak of R.S.
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HPLC
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The retention time of the major peak in the chromatogram Conforms to the characteristic peak of R.S.
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Specific optical rotation
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＋28°～＋35°
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Water
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Not more than5.0%
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Residue on ignition
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Not more than0.2%
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Any single impurity
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Not more than0.10%
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Total impurities
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Not more than0.5%
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Purity[HPLC]
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Not more than99.5%
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>>Alphabetical order
