2-Bromo-5-(pyridin-4-yl)pyridine CAS 1142197-30-5
| CAS No. | 1142197-30-5 |
| Molecular Formula | C10H7BrN2 |
| Molecular Weight | 235.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 235.08 g/mol gives 2-Bromo-5-(pyridin-4-yl)pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-5-(pyridin-4-yl)pyridine (CAS 1142197-30-5), molecular formula C10H7BrN2 and molecular weight 235.08 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H7BrN2, 2-Bromo-5-(pyridin-4-yl)pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 235.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-Bromo-5-(pyridin-4-yl)pyridine 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.
Physical & Chemical Properties
| Molecular Formula | C10H7BrN2 |
| Molecular Weight | 235.08 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 1-Bromo-5-ethyl-3,5-dimethylimidazolidine-2,4-dione (CAS 101012-25-3)
- 2-Bromo-4-phenylpyrimidine (CAS 10198-98-8)
- 7-Bromo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one (CAS 105544-36-3)
- 6-Bromo-2,3'-bipyridine (CAS 106047-28-3)
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- 5-Bromo-2,4'-bipyridine (CAS 106047-33-0)
- 5-Bromo-3,4'-bipyridine (CAS 106047-38-5)
- 4-Bromo-7-methyl-1H-indole-6-carbonitrile (CAS 1082040-83-2)
Recommended Standards
- 2-Bromo-6-phenylpyrazine (CAS 1086383-06-3)
- 5-Bromo-1-methyl-1H-indole-3-carbonitrile (CAS 1219741-43-1)
- 4-Bromo-2-phenylpyrimidine (CAS 1086381-99-8)
- 5-Bromo-3-methyl-1H-indole-7-carbonitrile (CAS 1221448-64-1)
- 1-(4-Methoxybenzyl)azetidin-3-amine (CAS 1340272-26-5)
- (R)-3-Chloro-1-(thiophen-2-yl)propan-1-ol (CAS 164071-55-0)
- 1-(3,4-Difluoro-5-methoxyphenyl)butan-1-one (CAS 1443322-58-4)
- 1H-Imidazole-1-ethanol, 4,5-dihydro-2-undecyl- (CAS 136-99-2)
- 3-Chloro-3-deoxy-1,2:5,6-di-O-isopropylidene-α-D-glucofuranose, 98% (CAS 32785-94-7)
- Diethyl Phosphate-13C4 Sodium Salt (CAS 1329613-90-2)
- Methyl 4-(Isocyanomethyl)benzoate (CAS 1030268-89-3)
- Apremilast Impurity 76 (CAS CATO-C4X-100976)
- 5-(3-methylphenyl)-1,3,4-oxadiazol-2-ol (CAS 119933-33-4)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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