3-Bromo-5-(3-chlorophenoxy)pyridine CAS 28232-65-7
| CAS No. | 28232-65-7 |
| Molecular Formula | C11H7BrClNO |
| Molecular Weight | 284.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-5-(3-chlorophenoxy)pyridine (CAS 28232-65-7), molecular formula C11H7BrClNO and molecular weight 284.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H7BrClNO, 3-Bromo-5-(3-chlorophenoxy)pyridine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H7BrClNO |
| Molecular Weight | 284.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
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- 5-Bromo-4-chloro-6-phenylpyrimidin-2-amine (CAS 106791-93-9)
- 7-Bromo-5-chloro-2,3-dihydropyrano[4,3,2-de]quinoline (CAS 1155270-71-5)
- 3-Bromo-2-(2-chlorophenoxy)pyridine (CAS 1215809-13-4)
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- 1-(6-Bromo-4-chloroquinolin-3-yl)ethan-1-one (CAS 1255099-21-8)
- 4-Bromo-2-(6-chloropyridin-3-yl)-6-methylpyrimidine (CAS 1258650-39-3)
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Recommended Standards
- 2-Chloro-N-(4-bromophenyl)pyrimidin-4-amine (CAS 260046-09-1)
- 3-Bromo-5-(4-chlorophenoxy)pyridine (CAS 28232-66-8)
- 1-(6-Bromo-2-chloroquinolin-3-yl)ethanone (CAS 692726-53-7)
- 4-(4-Bromo-2-chlorophenyl)pyrimidin-2-amine (CAS 913322-69-7)
- Methyl 3-bromo-4-(3-(dimethylamino)propoxy)benzoate (CAS 1131594-65-4)
- tert-Butyl (S)-2-(2,4-dimethoxybenzyl)piperazine-1-carboxylate (CAS 1260592-79-7)
- 2-isopropyl-5-methylcyclohexanamine (CAS 21411-81-4)
- 2-[3,4-Dihydro-2(1H)-isoquinolinyl]-5-methylaniline (CAS 1097786-11-2)
- 2-(6-Fluoropyridin-3-yl)acetimidamide (CAS 1799439-09-0)
- S 5751 (CAS 209268-36-0)
- Iopamidol Impurity 50 (CAS CATO-C4X-145050)
- Methyl 2-(furan-3-yl)acetate (CAS 62689-88-7)
- 3-{7-chloro-[1,2,4]triazolo[1,5-a]pyrimidin-5-yl}pyridine (CAS 926232-96-4)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
Why CATO?
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