5-Bromo-2-chloro-3-fluoropyridine CAS 831203-13-5
| CAS No. | 831203-13-5 |
| Molecular Formula | C5H2BrClFN |
| Molecular Weight | 210.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Bromo-2-chloro-3-fluoropyridine is closely related to a nitrile group, fluorine/chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-Bromo-2-chloro-3-fluoropyridine (CAS 831203-13-5), a certified reference material (molecular formula C5H2BrClFN, MW 210.43 g/mol) for analytical method development and quality control.
Structurally, 5-Bromo-2-chloro-3-fluoropyridine (C5H2BrClFN) contains a nitrile group, fluorine/chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 210.43 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Bromo-2-chloro-3-fluoropyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H2BrClFN |
| Molecular Weight | 210.43 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.) | 1986 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 4-Bromo-3-chloro-2-fluoropyridine (CAS 1017793-21-3)
- 2-Bromo-4-chloro-5-fluoropyridine (CAS 1033203-44-9)
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Recommended Standards
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- 3-Bromo-5-chloro-2-fluoropyridine (CAS 884494-87-5)
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