2-(5-Chloro-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1352426-91-5
| CAS No. | 1352426-91-5 |
| Molecular Formula | C13H18BClO2 |
| Molecular Weight | 252.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(5-Chloro-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C13H18BClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
2-(5-Chloro-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1352426-91-5) is a high-purity analytical reference standard with the molecular formula C13H18BClO2 and a molecular weight of 252.54 g/mol.
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 | C13H18BClO2 |
| Molecular Weight | 252.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1991 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 4-Chloro-2-methylphenylboronic Acid Pinacol Ester (CAS 1030832-75-7)
- 2-(2-Chloro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1144097-12-0)
- 2-(3-Chloro-4-ethylphenyl)-5,5-dimethyl-1,3,2-dioxaborinane (CAS 1310949-86-0)
- 2-(2-Chloro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1386860-54-3)
- 2-(3-Chloro-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1688649-04-8)
- 2-(2-Chloro-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246825-67-0)
- 2-(2-Chloro-6-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2276722-27-9)
- 2-(3-Chloro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 445303-10-6)
Recommended Standards
- 2-(2-Chlorobenzyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1365565-86-1)
- 2-[3-(chloromethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1073353-44-2)
- 2-[4-(chloromethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1072945-04-0)
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