- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
71-30-7 Cytosine 4-Amino-2-hydroxypyrimidine
Quick Details
- Appearance: White powder
- Application:Pharmaceutical Intermediates
- PackAge:25KG/Drum
- ProductionCapacity:2000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
| Product Name: | Cytosine |
| Synonyms: | Gemcitabine EP Impurity A;Cyt;Cytosin;Cytosinimine;4-amino-2H-pyrimidi-none;CYTOSINE, 99+%;CytosineForBiochemistry;2(1H)-Pyrimidinone, 4-amino- (9CI) |
| CAS: | 71-30-7 |
| MF: | C4H5N3O |
| MW: | 111.1 |
| EINECS: | 200-749-5 |
| Product Categories: | Pharmaceutical Intermediates;PYRIMIDINE;FINE Chemical & INTERMEDIATES;Pyridines, Pyrimidines, Purines and Pteredines;Pyrimidine series;Nucleotides and Nucleosides;Building Blocks;Cidofovir;Biochemistry;Nucleobases and their analogs;Nucleosides, Nucleotides & Related Reagents;Nucleic acids;Bases & Related Reagents;Nucleotides;-;C4 to C5;Chemical Synthesis;Heterocyclic Building Blocks;Pyrimidines;amine |ketone;nucleoside |
| Mol File: | 71-30-7.mol |
Details:
|
Specifications |
||
|
Items |
Standard |
Results |
|
Appearance |
A white or almost white crystalline powder |
White crystalline powder |
|
Loss on drying |
≤0.50% |
0.04% |
|
Melting Point |
210.0~220.0°C |
214.3~215.0°C |
|
Rotation |
+31.0°~+35.0° |
+33.0° |
|
Residue on ignition |
≤0.10% |
0.04% |
|
Heavy Metals |
≤10ppm |
Complies |
|
Assay(UV) |
98.00~101.50% |
100.80% |
|
Assay (HPLC) |
≥99.00% |
99.78% |
|
A250/A260 A280/A260 |
0.40~0.50 2.05~2.15 |
0.48 2.11 |
|
Conclusion: Meets the requirements |
||
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