2'-Cyano-2,4'-difluorobiphenyl-5-boronic acid pinacol esters, 97% CAS 660425-28-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 660425-28-5 |
| Molecular Formula | C19H18BF2NO2 |
| Molecular Weight | 341.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2'-Cyano-2,4'-difluorobiphenyl-5-boronic acid pinacol esters, 97% (CAS 660425-28-5) pharmaceutical standards reference standard. Molecular formula: C19H18BF2NO2. Molecular weight: 341.16 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H18BF2NO2 |
| Molecular Weight | 341.16 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 |
| 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(2-Chloro-6-fluorophenyl)-4-(4-chlorophenyl)-4-oxobutanoic acid (CAS 344281-45-4)
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- 1-Boc-3-Bromo-7-nitroindole (CAS 914349-37-4)
- 5-(Azetidin-3-yl)-1-methyl-1H-1,2,3,4-tetrazole hydrochloride (CAS 1638771-13-7)
- Heneicosanoic Acid (CAS 2363-71-5)
- 4-(4-Hydroxy-6-methyl-2-oxo-2H-pyridin-1-yl)-butyric acid 685862-22-0 8138AE C10H13NO4 (CAS 685862-22-0)
- 3-Hydroxy-2-(quinazolin-4-ylamino)-butyric acid (CAS 1008675-44-2)
- Leflunomide EP Impurity F (CAS 1403564-06-6)
- 6-Mercaptopurine-2'-deoxyriboside, 98% (CAS 2239-64-7)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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