2,4-Dichloro-5-methylphenylboronic acid pinacol ester CAS 2121512-39-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2121512-39-6 |
| Molecular Formula | C13H17BCl2O2 |
| Molecular Weight | 286.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichloro-5-methylphenylboronic acid pinacol ester (CAS 2121512-39-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H17BCl2O2. Molecular weight: 286.99 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H17BCl2O2 |
| Molecular Weight | 286.99 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 | Cl-containing |
Related Dichloro Standards
- 2-(2,3-Dichloro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121512-50-1)
- 2-(2,4-Dichloro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2311855-00-0)
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Recommended Standards
- 2-(Difluoromethyl)-3,6-dihydroxy-4-iodopyridine (CAS 1805050-62-7)
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- 2-(Difluoromethyl)-3,5-dihydroxy-6-iodopyridine (CAS 1805050-78-5)
- 6-Chloro-N-isopropyl-2-(methylsulfinyl)pyrimidin-4-amine (CAS 1289386-63-5)
- 1-Fluoro-2-propoxybenzene (CAS 203115-91-7)
- 3-(1-Aminopropan-2-yl)oxazolidin-2-one (CAS 1339573-57-7)
- 2-methyl-2-[4-(trifluoromethoxy)phenyl]propanenitrile (CAS 1260798-94-4)
- 2-Hydroxy-5-trifluoromethyl-nicotinonitrile (CAS 124432-69-5)
- 4-methyl-3,4-dihydro-2H-1,4-benzoxazine (CAS 77901-22-5)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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