2-Fluoro-3-formyl-4-(trifluoromethyl)phenylboronic acid CAS 1451393-07-9
| CAS No. | 1451393-07-9 |
| Molecular Formula | C8H5BF4O3 |
| Molecular Weight | 235.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Fluoro-3-formyl-4-(trifluoromethyl)phenylboronic acid (CAS 1451393-07-9) is a high-purity analytical reference standard with the molecular formula C8H5BF4O3 and a molecular weight of 235.93 g/mol.
Structurally, 2-Fluoro-3-formyl-4-(trifluoromethyl)phenylboronic acid (C8H5BF4O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 235.93 g/mol, it falls into the medium-molecular-weight range. 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.
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 | C8H5BF4O3 |
| Molecular Weight | 235.93 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 4-Fluoro-2-iodo-1-methylbenzene (CAS 13194-67-7)
- 1-Fluoro-2-(iodomethyl)benzene (CAS 446-50-4)
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Recommended Standards
- 2,2,6,6-Tetrachlorocyclohexanone (CAS 3776-30-5)
- (5-Methoxy-2-(trifluoromethoxy)phenyl)boronic acid (CAS 1079402-25-7)
- 1,4-Dibromobenzene (CAS 106-37-6)
- (3-Methoxy-5-(trifluoromethoxy)phenyl)boronic acid (CAS 1256345-88-6)
- (3-Bromobutyl)cyclopentane (CAS 1250989-28-6)
- 5-Bromo-4-(bromomethyl)-2-methylpyridine (CAS 1807024-09-4)
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