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| Preferred IUPAC name 1H-Pyrimidin-6-one | |
| Other names Hydroxypyrimidine; Pyrimidinone | |
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| Properties | |
| Chemical formula | C4H4N2O |
| Molar mass | 96.089 g·mol |
| Appearance | White to light yellow powder |
| Melting point | 163 to 168 °C (325 to 334 °F; 436 to 441 K) |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
| Main hazards | Respiratory system, eye, skin irritation |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
 Y verify (what is ?)
Infobox references
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Pyrimidone is the name given to either of two heterocyclic compounds with the formula C4H4N2O: 2-pyrimidone and 4-pyrimidone. The compounds can also be called 2-hydroxypyrimidine or 4-hydroxypyrimidine respectively, based on a substituted pyrimidine, or 1,3-diazine, ring.
Derivatives
Derivatives of pyrimidone are the basis of many other biological molecules, including:
- Nucleobases, such as cytosine
- Barbiturates, such as metharbital
- Antiulcer drugs including temelastine, icotidine, donetidine, and lupitidine.
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