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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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