(4-(Difluoromethoxy)-2-methylphenyl)boronic acid CAS 514206-39-4
| CAS No. | 514206-39-4 |
| Molecular Formula | C8H9BF2O3 |
| Molecular Weight | 201.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 201.96 g/mol gives (4-(Difluoromethoxy)-2-methylphenyl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(4-(Difluoromethoxy)-2-methylphenyl)boronic acid (CAS 514206-39-4), molecular formula C8H9BF2O3 and molecular weight 201.96 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (4-(Difluoromethoxy)-2-methylphenyl)boronic acid (C8H9BF2O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4-(Difluoromethoxy)-2-methylphenyl)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 | C8H9BF2O3 |
| Molecular Weight | 201.96 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.) | 1984 |
| Halogen Content | F-containing |
Related Difluoromethoxy Standards
- (4-(Difluoromethoxy)-3-methylphenyl)boronic acid (CAS 958451-72-4)
- [2-(Difluoromethoxy)-3-methylphenyl]boronic acid (CAS 958451-78-0)
- [2-(Difluoromethoxy)-5-methylphenyl]boronic acid (CAS 958451-75-7)
- 3-(Difluoromethoxy)-4-methylphenylboronic acid (CAS 958451-74-6)
- 2-(Difluoromethoxy)-4-methoxybenzaldehyde (CAS 1247613-99-5)
- 3-(difluoromethoxy)-4-methylbenZoic acid (CAS 1249751-97-0)
- 4-(Difluoromethoxy)-3-methylbenzoic acid (CAS 1427373-23-6)
- 3-(Difluoromethoxy)-5-methylbenzoic acid (CAS 1427403-26-6)
Recommended Standards
- (4-(2,2-Difluoroethoxy)phenyl)boronic acid (CAS 958453-65-1)
- (3-(2,2-Difluoroethoxy)phenyl)boronic acid (CAS 958452-33-0)
- (5-Ethoxy-2,4-difluorophenyl)boronic acid (CAS 900175-12-4)
- (2-Ethoxy-4,5-difluorophenyl)boronic acid (CAS 870778-87-3)
- [2-(3,5-dimethyl-1h-pyrazol-1-yl)phenyl]methanamine (CAS 918865-16-4)
- Ethyl 4,6-difluoro-1H-indole-2-carboxylate (CAS 870536-93-9)
- 5-((Methyl(prop-2-yn-1-yl)amino)methyl)quinolin-8-ol (CAS 766454-72-2)
- 2-Amino-5-(2-(methylthio)ethyl)-1H-imidazol-4(5H)-one (CAS 872784-57-1)
- Ethyl 3-Hydroxy-2,2-dimethylhexanoate (CAS 137394-65-1)
- 2-Chloro-4,6-dimethylpyridine-3-sulfonamide (CAS 294876-56-5)
- 1,1',1''-(Phosphinetriyltris(benzene-4,1-diyl))tris(N,N-dimethylmethanamine) (CAS 78357-41-2)
- 2,5-Dioxopyrrolidin-1-yl 6-((4R,5S)-5-methyl-2-oxoimidazolidin-4-yl)hexanoate (CAS 80750-24-9)
- 1-Methoxy-4-methylpentan-3-one (CAS 1250407-40-9)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
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