[3,5-Difluoro-2-(2,2,2-trifluoroethoxy)phenyl]boronic acid CAS 936250-26-9
| CAS No. | 936250-26-9 |
| Molecular Formula | C8H6BF5O3 |
| Molecular Weight | 255.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[3,5-Difluoro-2-(2,2,2-trifluoroethoxy)phenyl]boronic acid (CAS 936250-26-9) is a high-purity analytical reference standard with the molecular formula C8H6BF5O3 and a molecular weight of 255.93 g/mol.
Based on its molecular formula C8H6BF5O3, [3,5-Difluoro-2-(2,2,2-trifluoroethoxy)phenyl]boronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 255.93 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.
As a certified reference material (CRM), [3,5-Difluoro-2-(2,2,2-trifluoroethoxy)phenyl]boronic acid 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 | C8H6BF5O3 |
| Molecular Weight | 255.93 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Difluoro Standards
- [3,5-Difluoro-4-(2,2,2-trifluoroethoxy)phenyl]boronic acid (CAS 160483-71-6)
- (3,4-Difluoro-5-(2,2,2-trifluoroethoxy)phenyl)boronic acid (CAS 936250-24-7)
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Recommended Standards
- [2-(Difluoromethoxy)-5-(trifluoromethyl)phenyl]boronic acid (CAS 958451-77-9)
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- 1,3-Didocosanoyl-2-Oleoyl-rac-glycerol (CAS 77145-68-7)
- 2',5'-Dibromo-1,1':4',1''-terphenyl (CAS 1293386-03-4)
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