3-Fluoro-4-methoxy-5-trifluoromethylphenylboronic acid CAS 1451391-99-3
| CAS No. | 1451391-99-3 |
| Molecular Formula | C8H7BF4O3 |
| Molecular Weight | 237.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Fluoro-4-methoxy-5-trifluoromethylphenylboronic acid (CAS 1451391-99-3), molecular formula C8H7BF4O3 and molecular weight 237.94 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7BF4O3, 3-Fluoro-4-methoxy-5-trifluoromethylphenylboronic 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 237.94 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.
CATO manufactures 3-Fluoro-4-methoxy-5-trifluoromethylphenylboronic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H7BF4O3 |
| Molecular Weight | 237.94 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.) | 1992 |
| Halogen Content | F-containing |
Related Fluoro Standards
- (5-Fluoro-2-(2,2,2-trifluoroethoxy)phenyl)boronic acid (CAS 1313760-94-9)
- 4-Fluoro-3-methoxy-5-(trifluoromethyl)phenylboronic acid (CAS 1701449-45-7)
- 2-Fluoro-5-methoxy-3-(trifluoromethyl)phenylboronic acid (CAS 1772622-44-2)
- (2-Fluoro-3-(2,2,2-trifluoroethoxy)phenyl)boronic acid (CAS 855230-62-5)
- (3-Fluoro-4-(2,2,2-trifluoroethoxy)phenyl)boronic acid (CAS 947533-09-7)
- (3-Fluoro-5-(2,2,2-trifluoroethoxy)phenyl)boronic acid (CAS 850589-55-8)
- (4-Fluoro-3-(2,2,2-trifluoroethoxy)phenyl)boronic acid (CAS 957034-62-7)
- [2-fluoro-4-(2,2,2-trifluoroethoxy)phenyl]boronic acid (CAS 2246556-71-6)
Recommended Standards
- (4-(1,1,2,2-Tetrafluoroethoxy)phenyl)boronic acid (CAS 1254118-45-0)
- 5-CHLORO-3-(TRICHLOROMETHYL)-1,2,4-THIADIAZOLE (CAS 5848-93-1)
- Bromomethanesulfonyl Bromide (CAS 54730-18-6)
- (3-(2,2-Difluoroethoxy)-4,5-difluorophenyl)boronic acid (CAS 936250-23-6)
- 4-(chloromethyl)-2-methyl-2-(2-methylpropyl)-1,3-dioxolane (CAS 57840-71-8)
- 2-Amino-4-fluoro-5-((1-methyl-1H-imidazol-2-yl)thio)-N-(thiazol-2-yl)benzamide (CAS 603107-76-2)
- 4-Hydroxy-N,N-dimethyl-3-sulfamoylbenzamide (CAS 1243371-50-7)
- 2-(Difluoromethyl)-3-fluoro-5-iodopyridine-6-carboxaldehyde (CAS 1806977-82-1)
- tert-Butyl (4-(ethylcarbamoyl)piperidin-3-yl)carbamate (CAS 1707609-36-6)
- Cyclohexyl-n-hexyl-β-D-maltoside (CAS 228579-27-9)
- 3-(4-Thioxo-1,3,5-triazinan-1-yl)propanoic acid (CAS 84982-67-2)
- Methyl 3-isobutyl-2-isopropyl-3-methyloxirane-2-carboxylate (CAS 1525484-81-4)
- N-(4-Oxo-4-phenyl-2-butyl)acetamide (CAS 1210054-74-2)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com