2-bromo-6-methyl-pyridine-3-carbonitrile CAS 155265-57-9
| CAS No. | 155265-57-9 |
| Molecular Formula | C7H11BrN2 |
| Molecular Weight | 203.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-bromo-6-methyl-pyridine-3-carbonitrile (CAS 155265-57-9) is a high-purity analytical reference standard with the molecular formula C7H11BrN2 and a molecular weight of 203.08 g/mol.
Based on its molecular formula C7H11BrN2, 2-bromo-6-methyl-pyridine-3-carbonitrile contains a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.08 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.
As a certified reference material (CRM), 2-bromo-6-methyl-pyridine-3-carbonitrile 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 | C7H11BrN2 |
| Molecular Weight | 203.08 g/mol |
| Appearance | White to pale 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related bromo Standards
- 6-bromo-4-methyl-pyridine-3-carbonitrile (CAS 1003711-35-0)
- 6-Bromo-2-methylhept-6-en-3-yn-2-ol (CAS 100379-06-4)
- 4-Bromo-1-(butan-2-yl)-1h-pyrazole (CAS 1179304-86-9)
- 4-Bromo-1-isobutyl-1H-pyrazole (CAS 1184394-32-8)
- 2-Bromo-1,2-dicyclopropylethan-1-one (CAS 1187384-08-2)
- 5-Bromo-1-isopropyl-2-methyl-1H-imidazole (CAS 1204228-25-0)
- 2-(2-bromo-3-pyridyl)acetonitrile (CAS 1211523-71-5)
- 3-Bromo-5,5-dimethylcyclohex-2-en-1-one (CAS 13271-49-3)
Recommended Standards
- 4-Bromo-1-methyl-3-propyl-1H-pyrazole (CAS 1528946-83-9)
- 5-Bromo-2-tert-butyl-1H-imidazole (CAS 1559067-54-7)
- 5-Bromo-1-(tert-butyl)-1H-pyrazole (CAS 1512164-79-2)
- 3-Bromobicyclo[2.2.2]octan-2-one (CAS 1706432-81-6)
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- Methyl 2-amino-3-nitrobenzoate (CAS 57113-91-4)
- (2,3-Dimethoxy-benzyl)-(4-fluoro-benzyl)-amine oxalate (CAS 1158442-03-5)
- 5-Bromo-2-formylphenyl acetate (CAS 41777-10-0)
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