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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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