2-Chloro-5-fluoro-4-nitropyridine 1-oxide CAS 405230-80-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 405230-80-0 |
| Molecular Formula | C5H2ClFN2O3 |
| Molecular Weight | 192.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-fluoro-4-nitropyridine 1-oxide (CAS 405230-80-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2ClFN2O3. Molecular weight: 192.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2ClFN2O3 |
| Molecular Weight | 192.53 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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Recommended Standards
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- tert-Butyl N-[cis-3-fluoropiperidin-4-yl]carbamate (CAS 1268521-83-0)
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- 5-(4-Nitrobenzyl)pyridin-2-yl hydrogen carbonate (CAS 60611-68-9)
- N-(2,6-Difluorophenyl)-3-nitrobenzenesulfonamide (CAS 1023805-47-1)
- Liraglutide Impurity 19 TFA Salt (CAS CATO-C4X-199219)
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