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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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