2-Bromo-5-(tert-butyl)-4-chlorobenzonitrile CAS 2416992-20-4
| CAS No. | 2416992-20-4 |
| Molecular Formula | C11H11BrClN |
| Molecular Weight | 272.57 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.
CATO supplies 2-Bromo-5-(tert-butyl)-4-chlorobenzonitrile (CAS 2416992-20-4), a certified reference material (molecular formula C11H11BrClN, MW 272.57 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H11BrClN, 2-Bromo-5-(tert-butyl)-4-chlorobenzonitrile 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 272.57 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).
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 | C11H11BrClN |
| Molecular Weight | 272.57 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 2000 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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- 1-(4-Hydroxybenzyl)-3-methyl-1-propylurea (CAS 866155-87-5)
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