2,3-Difluoro-5-(trifluoromethyl)phenylboronic acid CAS 2377611-31-7
| CAS No. | 2377611-31-7 |
| Molecular Formula | C7H4BF5O2 |
| Molecular Weight | 225.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4BF5O2, 2,3-Difluoro-5-(trifluoromethyl)phenylboronic 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 225.91 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.
2,3-Difluoro-5-(trifluoromethyl)phenylboronic acid (CAS 2377611-31-7) is a high-purity analytical reference standard with the molecular formula C7H4BF5O2 and a molecular weight of 225.91 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C7H4BF5O2 |
| Molecular Weight | 225.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 3,5-Difluoro-4-(trifluoromethyl)phenyl boronic acid (CAS 1459778-94-9)
- (3,4-Difluoro-5-(trifluoromethyl)phenyl)boronic acid (CAS 864759-64-8)
- [2,4-Difluoro-3-(trifluoromethyl)phenyl]boronic acid (CAS 769937-40-8)
- 2,3-Difluoro-4-(trifluoromethyl)benzeneboronic acid (CAS 2096332-61-3)
- 2,6-Difluoro-4-(trifluoromethyl)phenylboronic acid (CAS 2250114-85-1)
- 4,5-Difluoro-2-(perfluoroethyl)-1,3-dioxole (CAS 150622-65-4)
- 2,6-Difluoro-3-(trifluoromethyl)benzoic acid (CAS 1048921-49-8)
- 3,6-Difluoro-2-(trifluoromethyl)benzoic acid (CAS 111595-72-3)
Recommended Standards
- 1,3-Dibromobicyclo[1.1.1]pentane (CAS 82783-71-9)
- Thulium(III) fluoride (CAS 13760-79-7)
- 1,2-Dibromocyclopent-1-ene (CAS 75415-78-0)
- (2-Methyl-3,5-dinitrophenyl)boronic acid (CAS 24341-76-2)
- 7-Benzyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 14052-84-7)
- 7-fluoro-3-iodo-1h-indazole (CAS 944904-38-5)
- 3-Ethoxy-N-(3-methylbenzyl)propan-1-amine (CAS 705955-22-2)
- 3-Aminopyridine-2-thiol hydrochloride (CAS 117884-16-9)
- 3-Chloro-2-fluoro-5-(trifluoromethyl)benzoic acid (CAS 129931-45-9)
- (R)-2-(1-(tert-butoxycarbonyl)-3,3-difluoropiperidin-4-yl)acetic acid (CAS 2055043-60-0)
- 3-(4-Isopropoxybenzyl)azetidine (CAS 1183724-87-9)
- (E)-[(2,6-Dichlorophenyl)methoxy]({[3-nitro-4-(phenylsulfanyl)phenyl]methylidene})amine (CAS 477852-26-9)
- Posaconazole Impurity 158 (CAS 1902954-05-5&1902954-03-3(mixture))
- Neuroendocrine Regulatory Peptide-4 (human, mouse, rat) (H-7266.1000) (CAS 922704-18-5)
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