2-Chloro-3,4-difluorophenylboronic acid pinacol ester CAS 2121515-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2121515-05-5 |
| Molecular Formula | C12H14BClF2O2 |
| Molecular Weight | 274.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-3,4-difluorophenylboronic acid pinacol ester (CAS 2121515-05-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H14BClF2O2. Molecular weight: 274.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H14BClF2O2 |
| Molecular Weight | 274.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1997 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 2-(5-Chloro-2,4-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1073354-65-0)
- 2-(4-Chloro-2,3-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1116681-98-1)
- 2-(4-chloro-2,5-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1126320-24-8)
- 2-(4-Chloro-2,6-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1165935-84-1)
- 4-Chloro-3,5-difluorobenzeneboronic acid pinacol ester, 97% (CAS 1165935-96-5)
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- 2-(3-Chloro-4,5-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1437779-87-7)
- 3-Chloro-2,4-difluorophenylboronic acid pinacol ester (CAS 1799614-91-7)
Recommended Standards
- 2-Amino-7-bromo-5-chloroquinazolin-4(3H)-one (CAS 2454020-09-6)
- 3-Bromo-6-chloro-4-hydroxyquinolin-2(1H)-one (CAS 50689-53-7)
- 2,3-Difluoro-6-chlorophenylboronic acid pinacol ester (CAS 2121514-33-6)
- 2-(Hex-3-en-1-yl)-5-methylfuran (CAS 60858-07-3)
- 1-(2,6-Dimethyl-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 1263365-90-7)
- 5-(4-Methoxyphenyl)-3-methyl-1H-1,2,4-triazole (CAS 31409-49-1)
- (1R,4r)-4-ethynylcyclohexan-1-amine (CAS 1932196-28-5)
- n1,n1-Dimethylbenzene-1,4-disulfonamide (CAS 101251-36-9)
- 6-Bromo-7-fluoro-1H-benzo[d][1,2,3]triazole (CAS 1588508-95-5)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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