2-Bromo-6-(tert-butyl)-3,5-dichloropyridine CAS 2416992-28-2
| CAS No. | 2416992-28-2 |
| Molecular Formula | C9H10BrCl2N |
| Molecular Weight | 282.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Bromo-6-(tert-butyl)-3,5-dichloropyridine (CAS 2416992-28-2), molecular formula C9H10BrCl2N and molecular weight 282.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H10BrCl2N, 2-Bromo-6-(tert-butyl)-3,5-dichloropyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 282.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C9H10BrCl2N |
| Molecular Weight | 282.99 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-(2,2-Dibromoethenyl)-4-methyl-1,3-thiazole (CAS 219544-61-3)
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- 1,2-Bis(trifluoromethyl)-3,4-dichlorobenzene (CAS 1221272-78-1)
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