5-bromo-2-chloro-3-[(piperidin-1-yl)carbonyl]pyridine CAS 1249612-38-1
| CAS No. | 1249612-38-1 |
| Molecular Formula | C11H12BrClN2O |
| Molecular Weight | 303.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-bromo-2-chloro-3-[(piperidin-1-yl)carbonyl]pyridine (CAS 1249612-38-1) is a high-purity analytical reference standard with the molecular formula C11H12BrClN2O and a molecular weight of 303.58 g/mol.
5-bromo-2-chloro-3-[(piperidin-1-yl)carbonyl]pyridine (C11H12BrClN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C11H12BrClN2O |
| Molecular Weight | 303.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- N,N'-Bis(1,4-dimethylpentyl)-p phenylenediamine (77PD) (CAS 3081-14-9)
- Ethyl 4-(pyrimidin-2-yl)benzoate (CAS 259541-89-4)
- N1-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methyl)-N1-methylethane-1,2-diamine (CAS 1249805-62-6)
- 2-Dodecyl-1H-benzimidazole (CAS 13060-28-1)
- Fosaprepitant Impurity 38 (CAS 990-91-0)
- 1-Isoquinolin-6-ylethanone (CAS 1015070-54-8)
- 5-Amino-2-(trifluoromethyl)thiazole (CAS 1367944-72-6)
- Peptide 433 (CAS CATO-CPTD788433)
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