1-(2-Bromo-1,1-difluoroethyl)-2-methylbenzene CAS 1780976-52-4
| CAS No. | 1780976-52-4 |
| Molecular Formula | C9H9BrF2 |
| Molecular Weight | 235.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(2-Bromo-1,1-difluoroethyl)-2-methylbenzene (CAS 1780976-52-4) is a high-purity analytical reference standard with the molecular formula C9H9BrF2 and a molecular weight of 235.07 g/mol.
1-(2-Bromo-1,1-difluoroethyl)-2-methylbenzene (C9H9BrF2) contains fluorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 1-(2-Bromo-1,1-difluoroethyl)-2-methylbenzene 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 | C9H9BrF2 |
| Molecular Weight | 235.07 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 methanol, acetonitrile, DMSO |
| 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.) | 1994 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 1-Bromo-3-(2,2-difluoropropyl)benzene (CAS 1099598-19-2)
- 1-Bromo-4-(2,2-difluoropropyl)benzene (CAS 1099598-20-5)
- 2-Bromo-4-(1,1-difluoroethyl)-1-methylbenzene (CAS 1204295-61-3)
- 1-Bromo-3-(1,1-difluoropropyl)benzene (CAS 1204295-68-0)
- 1-Bromo-4-(1,1-difluoropropyl)benzene (CAS 162783-79-1)
- 1-Bromo-3-fluoro-2-(2-fluoropropan-2-yl)benzene (CAS 1780393-33-0)
- 1-(2-Bromo-1,1-difluoroethyl)-3-methylbenzene (CAS 1784436-96-9)
- 1-(2-Bromo-1,1-difluoroethyl)-4-methylbenzene (CAS 1784557-96-5)
Recommended Standards
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- 1-Bromo-2-(1,1-difluoropropyl)benzene (CAS 1892536-60-5)
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