2-bromo-1-[2-(difluoromethoxy)-5-methylphenyl]ethanone CAS 795290-97-0
| CAS No. | 795290-97-0 |
| Molecular Formula | C10H9BrF2O2 |
| Molecular Weight | 279.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-bromo-1-[2-(difluoromethoxy)-5-methylphenyl]ethanone 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.
2-bromo-1-[2-(difluoromethoxy)-5-methylphenyl]ethanone (CAS 795290-97-0) is a high-purity analytical reference standard with the molecular formula C10H9BrF2O2 and a molecular weight of 279.08 g/mol.
Structurally, 2-bromo-1-[2-(difluoromethoxy)-5-methylphenyl]ethanone (C10H9BrF2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 279.08 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C10H9BrF2O2 |
| Molecular Weight | 279.08 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Br-containing |
Related bromo Standards
- 1-(4-Bromo-2-(difluoromethoxy)phenyl)propan-1-one (CAS 1261495-58-2)
- 1-(2-Bromo-3-(difluoromethoxy)phenyl)propan-1-one (CAS 1261511-09-4)
- 1-(2-Bromo-4-(difluoromethoxy)phenyl)propan-1-one (CAS 1261511-29-8)
- 1-(4-Bromo-3-(difluoromethoxy)phenyl)propan-1-one (CAS 1261875-71-1)
- Ethyl 2-(2-bromo-3,5-difluorophenyl)acetate (CAS 1383564-79-1)
- Ethyl 3-bromo-4-(difluoromethyl)benzoate (CAS 1622987-63-6)
- 3-Bromo-2,2-difluoro-1-(4-methoxyphenyl)propan-1-one (CAS 1777805-04-5)
- 1-(3-Bromo-2-(difluoromethoxy)phenyl)propan-2-one (CAS 1803841-50-0)
Recommended Standards
- 2-Bromo-1-(4-difluoromethoxy-phenyl)-propan-1-one (CAS 83022-57-5)
- 3-(4-(Bromomethyl)-2,5-difluorophenyl)oxetan-3-ol (CAS 2227204-90-0)
- 2-(6-Bromo-2,4-difluoro-3-methylphenyl)-1,3-dioxolane (CAS 2432848-57-0)
- 3-Iodo-2-methylpyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 2138056-97-8)
- N,N-dimethyl-3-(p-tolyl)prop-2-yn-1-amine (CAS 51945-19-8)
- 2-Chloro-4-nitropyrimidin-5-amine (CAS 618397-67-4)
- 2-Methoxy-N-(pyridin-4-yl)acetamide (CAS 499975-08-5)
- 5-Aminopyrazin-2(1H)-one (CAS 287916-14-7)
- 6-Methoxy-5,6-dihydro-2H-pyran-3-yl trifluoromethanesulfonate (CAS 2843587-05-1)
- 3-(Cyclopropylmethoxy)-4-methoxybenzoic acid (CAS 159783-28-5)
- 3-Chloro-6-methylcinnolin-4-ol (CAS 817209-20-4)
- 7-Bromo-2,3-dimethylimidazo[1,2-a]pyridine (CAS 1173656-67-1)
- 1246820-88-1 Phenylpropylmethylamine-d3 Hydrochloride (CAS 1246820-88-1)
- Liraglutide (14-31)TFA Salt (CAS CATO-C4X-19927)
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