1-(2-Bromopyridin-4-yl)cyclopentanecarbonitrile CAS 1246744-43-3
| CAS No. | 1246744-43-3 |
| Molecular Formula | C11H11BrN2 |
| Molecular Weight | 251.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(2-Bromopyridin-4-yl)cyclopentanecarbonitrile (CAS 1246744-43-3) is a high-purity analytical reference standard with the molecular formula C11H11BrN2 and a molecular weight of 251.12 g/mol.
Based on its molecular formula C11H11BrN2, 1-(2-Bromopyridin-4-yl)cyclopentanecarbonitrile 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 251.12 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.
Physical & Chemical Properties
| Molecular Formula | C11H11BrN2 |
| Molecular Weight | 251.12 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 4-Bromo-3-(3,4-dimethylphenyl)-1h-pyrazole (CAS 1250379-75-9)
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- 2,4-Dibromo-1-(2-methoxyethoxy)benzene (CAS 1257665-05-6)
- (E)-3-(P-tolyl)prop-2-en-1-amine (CAS 158223-55-3)
- 2-Phenoxy-1,3-bis(trifluoromethyl)benzene (CAS 887268-14-6)
- 2,6-Bis(trifluoromethyl)quinazolin-4(3H)-one (CAS 1352933-90-4)
- 2-(4-(Bromomethyl)phenyl)-2-oxoacetic acid (CAS 102047-01-8)
- 4-Bromo-2-fluoro-3-methoxyaniline (CAS 1272719-19-3)
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- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
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