2(1H)-Oxo-4(3H)-imino-5-methylpyrimidine
5-methylcytosine
CAS: 554-01-8
Molecular Formula: C5H7N3O
2(1H)-Oxo-4(3H)-imino-5-methylpyrimidine - Names and Identifiers
| Name | 5-methylcytosine |
| Synonyms | NSC 137776 5-METHYLCYTOSINE 5-methylcytosine Cytosine, 5-methyl- 4-Amino-5-methyl-2-pyrimidinol 6-amino-5-methylpyrimidin-2(1H)-one 4-amino-5-methyl-3H-pyrimidin-2-one 2(1H)-Pyrimidinone, 6-amino-5-methyl- 2(1H)-Pyrimidinone, 4-amino-5-methyl- 2(1H)-Oxo-4(3H)-imino-5-methylpyrimidine 2(1H)-Pyrimidinone, 4-amino-5-methyl- (9CI) |
| CAS | 554-01-8 |
| EINECS | 209-058-3 |
| InChI | InChI=1/C5H7N3O.ClH/c1-3-2-7-5(9)8-4(3)6;/h2H,1H3,(H3,6,7,8,9);1H |
2(1H)-Oxo-4(3H)-imino-5-methylpyrimidine - Physico-chemical Properties
| Molecular Formula | C5H7N3O |
| Molar Mass | 125.13 |
| Density | 1.2602 (rough estimate) |
| Melting Point | 270°C (rough estimate) |
| Boling Point | 232.57°C (rough estimate) |
| Flash Point | 126.1°C |
| Water Solubility | Soluble in water. |
| Solubility | Soluble in water(Crystalline) |
| Vapor Presure | 0.0022mmHg at 25°C |
| Appearance | White powder |
| Color | White to Off-White |
| Merck | 14,6050 |
| pKa | 9.05±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.6510 (estimate) |
| MDL | MFCD00233537 |
2(1H)-Oxo-4(3H)-imino-5-methylpyrimidine - Risk and Safety
| RTECS | UW7362350 |
2(1H)-Oxo-4(3H)-imino-5-methylpyrimidine - Reference Information
| biological activity | 5-Methylcytosine is a methylated form of the DNA base cytosine and is the major epigenetic marker in Mammalian nuclear DNA, may be involved in the regulation of gene transcription. |
Last Update：2024-04-09 20:02:46
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