• 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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