1-(4-Bromobutyl)-2-chlorobenzene CAS 91130-24-4
| CAS No. | 91130-24-4 |
| Molecular Formula | C10H12BrCl |
| Molecular Weight | 247.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 247.56 g/mol gives 1-(4-Bromobutyl)-2-chlorobenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(4-Bromobutyl)-2-chlorobenzene (CAS 91130-24-4) is a high-purity analytical reference standard with the molecular formula C10H12BrCl and a molecular weight of 247.56 g/mol.
1-(4-Bromobutyl)-2-chlorobenzene (C10H12BrCl) contains chlorine/bromine substitution, an aromatic ring system. 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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 | C10H12BrCl |
| Molecular Weight | 247.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl/Br-containing |
Related Bromobutyl Standards
- 1-(4-Bromobutyl)-3-chlorobenzene (CAS 129254-79-1)
- 1-(4-Bromobutyl)-4-chlorobenzene (CAS 158607-05-7)
- 1-(3-Bromobutyl)-4-chlorobenzene (CAS 733810-38-3)
- [(3-bromobutyl)sulfanyl]benzene (CAS 1394041-75-8)
- [(4-Bromobutyl)sulfanyl]benzene (CAS 17742-54-0)
- 3-(4-Bromobutyl)-6-methyl-3,4-dihydropyrimidin-4-one (CAS 1249060-61-4)
- 1-(4-Bromobutyl)-2-methoxybenzene (CAS 151719-88-9)
- 1-(2-Bromobutyl)-3-methoxybenzene (CAS 872549-21-8)
Recommended Standards
- 1-Bromo-4-(3-chloro-2-methylpropyl)benzene (CAS 89193-66-8)
- 2-Bromo-4-(chloromethyl)-1,3,5-trimethylbenzene (CAS 70335-40-9)
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- 5-Ethyl-4-methyl-N-propylthiophene-2-carboxamide (CAS 1181897-75-5)
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