5-Chloro-3-fluoro-2-iodopyridine CAS 514797-98-9
| CAS No. | 514797-98-9 |
| Molecular Formula | C5H2ClFIN |
| Molecular Weight | 257.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Chloro-3-fluoro-2-iodopyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
5-Chloro-3-fluoro-2-iodopyridine (CAS 514797-98-9) is a high-purity analytical reference standard with the molecular formula C5H2ClFIN and a molecular weight of 257.43 g/mol.
Based on its molecular formula C5H2ClFIN, 5-Chloro-3-fluoro-2-iodopyridine contains a nitrile group, fluorine/chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H2ClFIN |
| Molecular Weight | 257.43 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 methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F/Cl/I-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 4-Chloro-2-fluoro-5-iodopyridine (CAS 1184914-20-2)
- 6-chloro-2-fluoro-3-iodo-pyridine (CAS 1187732-65-5)
- 4-Chloro-5-fluoro-2-iodopyridine (CAS 1211529-70-2)
- 4-Chloro-3-fluoro-5-iodopyridine (CAS 1211581-02-0)
- 6-Chloro-3-fluoro-2-iodopyridine (CAS 1211590-36-1)
- 4-Chloro-2-fluoro-3-iodopyridine (CAS 1211590-40-7)
- 4-Chloro-3-fluoro-2-iodopyridine (CAS 1211590-51-0)
- 3-Chloro-2-fluoro-5-iodopyridine (CAS 1214323-01-9)
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