Structural formula
| Business number | 01GE |
|---|---|
| Molecular formula | C4H5N3O |
| Molecular weight | 111.1 |
| label |
4-amino-2-hydroxypyrimidine, 4-Amino-2(1H)pyrimidinone, cytidine, Cytoline, cytosine, Oxycytosine |
Numbering system
CAS number:71-30-7
MDL number:MFCD00006034
EINECS number:200-749-5
RTECS number:UW7350150
BRN number:2637
PubChem ID:None
Physical property data
1. Properties: White flaky crystals. 2. Density (g/mL, 25/4?): 0.48
3. Relative vapor density (g/mL, air=1): Uncertain
4. Melting point (ºC):> 300
5. Boiling point (ºC, normal pressure): Uncertain
6. Boiling point (ºC, 5.2kPa): Uncertain
7. Refractive index : Uncertain
8. Flash point (ºC): Uncertain
9. Specific rotation (º): Uncertain
10. Autoignition point or Ignition temperature (ºC): Uncertain
11. Vapor pressure (kPa, 25ºC): Uncertain
12. Saturated vapor pressure (kPa, 60ºC): Uncertain
p>
13. Heat of combustion (KJ/mol): Uncertain
14. Critical temperature (ºC): Uncertain
15. Critical pressure (KPa): Uncertain Determine
16. The logarithmic value of the oil-water (octanol/water) partition coefficient: Uncertain
17. The upper limit of explosion (%, V/V): Uncertain
18. Lower explosion limit (%, V/V): Uncertain
19. Solubility: 100ml water dissolves 0.77g at 20°C. Slightly soluble in ethanol, insoluble in ether
Toxicological data
Acute toxicity: mouse abdominal LD50: >2222 mg/kg;
Ecological data
None
Molecular structure data
1. Molar refractive index: 27.30
2. Molar volume (cm3/mol): 71.5
3. Isotonic specific volume (90.2K ): 206.3
4. Surface tension (dyne/cm): 69.2
5. Polarizability (10-24cm3): 10.82
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 2
3. Number of hydrogen bond acceptors: 2
4. Number of rotatable chemical bonds: 0
5. Number of tautomers: 9
6. Topological molecule polar surface area 67.5
7. Number of heavy atoms: 8
8. Surface charge: 0
9. Complexity: 170
10. Number of isotope atoms: 0
11. Number of determined atomic stereocenters: 0
12. Number of uncertain atomic stereocenters: 0
13. Determine the number of stereocenters of chemical bonds: 0
14. Uncertain number of stereocenters of chemical bonds: 0
15. Number of covalent bond units: 1
Properties and stability
None
Storage method
This product should be stored in a sealed, cool, dry and dark place.
Synthesis method
It can be synthesized from dimercaptouracil, concentrated ammonia and chloroacetic acid as raw materials.
Purpose
For biochemical research. Both cytosine nucleoside and cytosine nucleotide can be used as drugs to increase white blood cells.
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