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Cytosine

Product name Cytosine
CAS RN 71-30-7
Molecular formula C4H5N3O
Molecular weight 111.102
EINECS number 200-749-5
Structural formula
Pharmaceutical intermediate cytosine Technical Index
Item
Quality Index
Property
White or off-white crystalline powder
Loss on drying /(%)≤
0.50
Residue on ignition /(%)≤
0.10
Identification
The retention time of the main peak of the test solution under Assay measurement should be 
consistent with the retention time of the main peak of the reference solution (± 2.5%)
Uracil / (%) ≤
0.50
Maximum unknown single impurity / (%) ≤
0.50
Total miscellaneous / (%) ≤
1.0
Purity / (%) ≥
99.0
Assay / (%)
98.0-102.0
Melting point >300°C
Uses Used as a pharmaceutical intermediate
Packing
Inside Packing is a PE bag, and Packing is a cardboard drum or Packing according to customer requirements.
Transportation

The Transportation tool must be clean and dry. It should be protected from rain, moisture and sun. It should not be mixed with toxic, harmful, corrosive and other pollutants. It should be handled gently during storage and transportation. It is strictly forbidden to throw or bump.

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