2-Chloro-5-fluoropyrimidine-4-carboxamide CAS 2058321-73-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2058321-73-4 |
| Molecular Formula | C5H3ClFN3O |
| Molecular Weight | 175.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-Chloro-5-fluoropyrimidine-4-carboxamide (CAS 2058321-73-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H3ClFN3O. Molecular weight: 175.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H3ClFN3O |
| Molecular Weight | 175.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
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- 3-(2-Fluorophenyl)-4-(((5-methylfuran-2-yl)methylene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 578734-03-9)
- 1,2-Dichloro-4-fluoro-3-(trifluoromethyl)benzene (CAS 1221272-79-2)
- {4-[(5-chloropyridin-2-yl)oxy]cyclohexyl}amine (CAS 412290-11-0)
- N'-((1-Hydroxynaphthalen-2-yl)methylene)-3-methylthiophene-2-carbohydrazide (CAS 444930-42-1)
- 2-Bromo-4H-pyrrolo[2,3-d]thiazole-5-carboxylic acid (CAS 1379300-60-3)
- 2-[(3-Methoxyphenyl)methyl]-1,3-propanediol (CAS 77756-13-9)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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