4-(Benzyloxy)-2,3-difluorophenylboronic acid pinacol ester CAS 2121515-12-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2121515-12-4 |
| Molecular Formula | C19H21BF2O3 |
| Molecular Weight | 346.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Benzyloxy)-2,3-difluorophenylboronic acid pinacol ester (CAS 2121515-12-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H21BF2O3. Molecular weight: 346.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H21BF2O3 |
| Molecular Weight | 346.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
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Recommended Standards
- 4-((3-Bromophenyl)amino)-7-methoxyquinazolin-6-ol (CAS 295330-61-9)
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- 1-((1R,2R)-2-Aminocyclohexyl)-3-(3,5-bis(trifluoromethyl)phenyl)urea (CAS 705928-69-4)
- 3-(4-(1h-Pyrazol-1-yl)phenyl)prop-2-en-1-ol (CAS 545420-92-6)
- 1-Methyl-3-(4-nitrophenyl)hexahydropyrimidine (CAS 821780-18-1)
- N-benzyl-3-nitro-N-(2-oxo-2-((2,4,6-trichlorophenyl)amino)ethyl)benzamide (CAS 332163-27-6)
- [2-(3,4-Dimethoxyphenyl)-ethyl]-(4-fluoro-benzyl)-amine hydrochloride (CAS 435341-91-6)
- Hoveyda-Grubbs Catalyst<SUP>®</SUP> M730 (CAS 1025728-57-7)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
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