Appearance: White crystalline powder
Cas: 59277-89-3
EINECS: 261-685-1
MF: C8H11N5O3
MW: 225.20
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ITEMS
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SPECIFICATION
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Appearance
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A white or almost white crystalline powder
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Identification
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Meets the requirements
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Appearance of Solution
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Meets the requirements
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Sulphated Ash
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≤0.1%
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Water
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≤6.0%
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Ordinary Impurities(TLC)
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≤1.0%
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Related Substances (HPLC)
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Limit for Guanine
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≤0.7%
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Single Impurity
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≤0.1%
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Total Impurities
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≤1.0%
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Assay (on dried basis)
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98.5 ~ 101.0%
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Standard
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EP5
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Usage:
the material is purine nucleoside derivatives of DNA synthesis inhibition, anti-herpes virus activity 160 times than sugar adenosine. For clinical herpes simplex virus encephalitis, herpes keratitis and genital infections, AIDS varicella zoster virus infection and cytomegalovirus infection, chronic hepatitis