2-Chloro-5-methoxypyrimidin-4(3H)-one CAS 844843-40-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 844843-40-9 |
| Molecular Formula | C5H5ClN2O2 |
| Molecular Weight | 160.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-methoxypyrimidin-4(3H)-one (CAS 844843-40-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H5ClN2O2. Molecular weight: 160.56 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O2 |
| Molecular Weight | 160.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-Chloro-1h-pyrazole-3-carbohydrazide (CAS 1005584-54-2)
- 5-Chloro-2-methyl-1H-imidazole-4-carboxylic acid (CAS 1093261-72-3)
- 5-chloro-3-methyl-1H-pyrazole-4-carboxylic acid (CAS 1093414-62-0)
- 4-Chloro-6-methoxypyridazin-3(2H)-one (CAS 113707-82-7)
- 5-Chloro-6-methoxypyridazin-3(2H)-one (CAS 113707-83-8)
- 5-Chloro-1-methyl-1H-pyrazole-3-carboxylic acid, 97% (CAS 1173246-76-8)
- Methyl 5-chloro-1H-imidazole-4-carboxylate (CAS 1192372-11-4)
- methyl 5-chloro-1H-imidazole-2-carboxylate (CAS 1211589-29-5)
Recommended Standards
- 2-Chloro-5-hydroxy-6-methylpyrimidin-4(1H)-one (CAS 62022-09-7)
- 2-Chlorobenzene-1,3,5-triol (CAS 84743-76-0)
- 2-Chloro-4-methoxypyrimidin-5-ol (CAS 2250240-81-2)
- 3-fluorotetrahydrofuran-3-carboxylic acid (CAS 1545583-66-1)
- 1-(5-(Benzyloxy)-2,4-dichlorophenyl)-5-(4-chlorophenyl)-1H-tetrazole (CAS 338961-47-0)
- 2-(Methylthio)naphthalen-1-ol (CAS 90033-53-7)
- 5-Chloro-1,3-dihydroisobenzofuran (CAS 1013915-43-9)
- 2-(5-Chloroisoxazol-3-yl)acetic acid (CAS 153773-42-3)
- 4,6-Dimethylpyrazolo[1,5-a]pyrazine-7-carbaldehyde (CAS 143983-73-7)
- Neuropeptide FF (CAS 99566-27-5)
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