4-Carboxy-2,6-difluorophenylboronic acid pinacol ester CAS 1031857-96-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1031857-96-1 |
| Molecular Formula | C13H15BF2O4 |
| Molecular Weight | 284.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Carboxy-2,6-difluorophenylboronic acid pinacol ester (CAS 1031857-96-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H15BF2O4. Molecular weight: 284.06 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H15BF2O4 |
| Molecular Weight | 284.06 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 chloroform, dichloromethane, ethyl acetate, 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
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Recommended Standards
- 2,6-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid (CAS 1008119-07-0)
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- Tetrahydro-2<I>H</I>-pyran-4-carboxylic acid methyl ester (CAS 110238-91-0)
- 1-Bromo-3-iodo-2,5-dimethylbenzene (CAS 1807198-53-3)
- Ethyl 2-{2-[(4-fluorobenzoyl)amino]-1,3-thiazol-4-yl}benzenecarboxylate (CAS 250713-78-1)
- 1-Methyl-4,5-dihydro-1H-imidazol-2-amine hydrobromide (CAS 34122-57-1)
- ((1S,7R,7AR)-7-((4-nitrobenzoyl)oxy)hexahydro-1H-pyrrolizin-1-yl)methyl 4-nitrobenzoate (CAS 39818-17-2)
- Vialox Peptide(Pentapeptide-3) (CAS 135679-88-8)
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