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        Xinxiang Ruicheng Technology Co., Ltd.
        Sales Dept.: +86-373-7095381
        Manager Yang +86-19839906661

        Cytosine


        Product name Cytosine
        English name Cytosine
        Alias 4-Amino-2-hydroxypyrimidine; 2-hydroxy-4-aminopyrimidine
        CAS RN 71-30-7
        Molecular formula C4H5N3O
        Molecular weight 111.102
        EINECS No. 200-749-5
        Structural formula
        Technical index of Pharmaceutical Intermediates Cytosine
        Item
        Quality index
        Property
        White or off-white crystalline powder
        Loss on drying /(%)≤
        0.2
        Residue on ignition /(%)≤
        0.1
        Identification
        Under the Content measurement item, the retention time of the main peak of the test solution should be consistent with
        the retention time of the main peak of the reference solution (± 2.5%)
        Uracil/(%)≤
        0.25
        Maximum unknown Single impurity / (%)≤
        0.25
        Total impurity / (%)≤
        0.5
        Purity /(%)≥
        99.5
        Content / (%)
        98.0-102.0
        Melting point >300℃
        Uses Used as a pharmaceutical intermediate
        Package
        The inner package is a PE bag, and the outer package is a cardboard drum or a package according to customer requirements.
        Transportation

        Transportation tools must be clean and dry. During transportation, they should be protected from rain, Moisture , and sun, and should not be mixed with toxic, harmful, corrosive, and other pollutants. During storage and transportation, they should be handled with care. Throwing and bumping are strictly prohibited.

        Storage and transportation
        This product should be stored tightly closed. Store in a ventilated and dry warehouse, avoid direct sunlight.




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