N4-ACETYLCYTOSINE
N4-Acetylcytosine
CAS: 14631-20-0
Molecular Formula: C6H7N3O2
N4-ACETYLCYTOSINE - Names and Identifiers
N4-ACETYLCYTOSINE - Physico-chemical Properties
| Molecular Formula | C6H7N3O2 |
| Molar Mass | 153.14 |
| Density | 1.41±0.1 g/cm3(Predicted) |
| Melting Point | >300 °C (lit.) |
| Solubility | DMSO (Sparingly), Methanol (Very Slightly) |
| Appearance | White powder |
| Color | Off-White to Pale Beige |
| BRN | 138451 |
| pKa | 7.60±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.625 |
| MDL | MFCD00134466 |
N4-ACETYLCYTOSINE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. |
| WGK Germany | 3 |
| HS Code | 29335995 |
N4-ACETYLCYTOSINE - Reference Information
| introduction | N4-acetylcytosine is white or beige solid at normal temperature and pressure. it belongs to pyrimidine derivatives. like pyridine, pyrimidine also retains aromaticity and is commonly used as raw material for pharmaceutical intermediates and sensitizers. |
| Uses | N4-acetylcytosine plays an important role in the synthesis of pyrimidine anti-tumor drugs and anti-AIDS drugs. In the synthesis and transformation, the nitrogen atom on the pyrimidine ring can react with methyl iodide to obtain the product of amide nitrogen atom methylation. |
| synthesis method | add acetic anhydride (2.1 ml, 22.05 mmol) to stirred cytosine (500 mg) in a solution of pyridine (2.5 ml), stir the obtained mixture overnight at room temperature, dilute the mixture with EtOAc(2.0 mL), the mixture was stirred again at room temperature for 30 minutes, the resulting white solid was filtered, the solid was washed with EtOAc, and then the solid was dried under vacuum to obtain the product N4-acetylcytosine. |
Last Update：2024-04-09 02:00:07
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