2-(3,5-Difluorophenyl)-1,3,2-dioxaborinane CAS 684648-47-3
| CAS No. | 684648-47-3 |
| Molecular Formula | C9H9BF2O2 |
| Molecular Weight | 197.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(3,5-Difluorophenyl)-1,3,2-dioxaborinane.
2-(3,5-Difluorophenyl)-1,3,2-dioxaborinane (CAS 684648-47-3) is a high-purity analytical reference standard with the molecular formula C9H9BF2O2 and a molecular weight of 197.97 g/mol.
Based on its molecular formula C9H9BF2O2, 2-(3,5-Difluorophenyl)-1,3,2-dioxaborinane contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 197.97 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.
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 | C9H9BF2O2 |
| Molecular Weight | 197.97 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
Related Difluorophenyl Standards
- 2-(2,4-Difluorophenyl)-1,3,2-dioxaborinane (CAS 1073372-07-2)
- 5-(2,4-Difluorophenyl)-1,3,4-oxadiazol-2-ol (CAS 1341663-05-5)
- trans-2-(3,4-Difluorophenyl)cyclopropanecarboxylic Acid (CAS 1006614-50-1)
- 3-(2,4-difluorophenyl)but-2-enoic acid (CAS 1049158-14-6)
- 2-(2,6-difluorophenyl)cyclopropane-1-carboxylic acid (CAS 1157561-48-2)
- 2-(3,4-Difluorophenyl)cyclopropane-1-carboxylic acid (CAS 1157561-73-3)
- 2-(2,4-Difluorophenyl)cyclopropane-1-carboxylic acid (CAS 1157642-22-2)
- 2-(2,5-Difluorophenyl)cyclopropane-1-carboxylic acid (CAS 1157698-34-4)
Recommended Standards
- 4-Bromo-2-(difluoromethyl)oxazole (CAS 1783600-02-1)
- 3-Bromo-1-(difluoromethyl)-1H-1,2,4-triazole (CAS 2155855-86-8)
- 2-Bromo-4-(difluoromethyl)oxazole (CAS 1781104-73-1)
- 3-Bromo-5-(difluoromethyl)isoxazole (CAS 2090657-50-2)
- N-(3-amino-4-chlorophenyl)-4-(2,4-di-tert-pentylphenoxy)butanamide (CAS 51461-11-1)
- 2-Bis(2-hydroxyethyl)carbamoylpyridine-4-boronic acid (CAS 2377611-20-4)
- 2-Chloro-1-{1-[(2-fluorophenyl)methyl]-2,5-dimethyl-1h-pyrrol-3-yl}ethan-1-one (CAS 887683-66-1)
- 3-(Aminomethyl)-7-cyclopropyl-[1,2,4]triazolo[4,3-a]pyrazin-8(7H)-one (CAS 1710845-76-3)
- 1-Ethyl-4-(6-nitropyridin-3-yl)piperazine (CAS 1333509-07-1)
- 2-(4-Bromophenyl)acetamide (CAS 74860-13-2)
- N-Benzyl-2-(1-(isoquinolin-1-yl)ethyl)hydrazinecarbothioamide (CAS 87555-53-1)
- 3,3-Dibromopiperidin-2-one (CAS 26228-95-5)
- (3-Chloro-4-(trifluoromethyl)phenyl)hydrazine (CAS 68359-95-5)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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