5-(4-Chlorophenyl)-2-methylphenylboronic acid CAS 1033760-76-7
| CAS No. | 1033760-76-7 |
| Molecular Formula | C13H12BClO2 |
| Molecular Weight | 246.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(4-Chlorophenyl)-2-methylphenylboronic acid (CAS 1033760-76-7), a certified reference material (molecular formula C13H12BClO2, MW 246.50 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H12BClO2, 5-(4-Chlorophenyl)-2-methylphenylboronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-(4-Chlorophenyl)-2-methylphenylboronic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H12BClO2 |
| Molecular Weight | 246.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 5-(3-Chlorophenyl)-3-(trifluoromethyl)-1H-pyrazole (CAS 1245619-64-0)
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- 3-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 142623-90-3)
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Recommended Standards
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- 2-[(Diphenylamino)methylidene]-2,3-dihydro-1H-indene-1,3-dione (CAS 1023515-74-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com