2-Chloro-4-fluoro-5-methylphenylboronic acid CAS 1207428-93-0
| CAS No. | 1207428-93-0 |
| Molecular Formula | C7H7BClFO2 |
| Molecular Weight | 188.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H7BClFO2, 2-Chloro-4-fluoro-5-methylphenylboronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-Chloro-4-fluoro-5-methylphenylboronic acid (CAS 1207428-93-0), molecular formula C7H7BClFO2 and molecular weight 188.39 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Chloro-4-fluoro-5-methylphenylboronic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H7BClFO2 |
| Molecular Weight | 188.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- (5-Chloro-2-fluoro-4-methylphenyl)boronic acid (CAS 1072952-42-1)
- (2-Chloro-6-fluorobenzyl)boronic acid (CAS 1350512-24-1)
- 2-Chloro-5-fluoro-4-methylphenylboronic acid (CAS 1612184-35-6)
- (3-Chloro-2-fluoro-4-methylphenyl)boronic acid (CAS 2377608-77-8)
- (3-Chloro-2-fluoro-5-methylphenyl)boronic acid (CAS 352535-88-7)
- (4-Chloro-2-fluoro-3-methylphenyl)boronic acid (CAS 944128-92-1)
- (4-Chloro-2-fluoro-5-methylphenyl)boronic acid (CAS 325786-09-2)
- (5-Chloro-2-fluoro-3-methylphenyl)boronic acid (CAS 352535-87-6)
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