(2-Chloro-4-(methylsulfonyl)phenyl)boronic acid CAS 1262662-38-3
| CAS No. | 1262662-38-3 |
| Molecular Formula | C7H8BClO4S |
| Molecular Weight | 234.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, (2-Chloro-4-(methylsulfonyl)phenyl)boronic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 234.47 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies (2-Chloro-4-(methylsulfonyl)phenyl)boronic acid (CAS 1262662-38-3), a certified reference material (molecular formula C7H8BClO4S, MW 234.47 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), (2-Chloro-4-(methylsulfonyl)phenyl)boronic 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 | C7H8BClO4S |
| Molecular Weight | 234.47 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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 | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- (5-Chloro-2-methanesulfonylphenyl)boronic acid (CAS 1313617-73-0)
- (3-Chloro-4-methanesulfonylphenyl)boronic acid (CAS 2239305-86-1)
- 1-Chloro-2-(2-iodoethoxy)ethane (CAS 42070-18-8)
- 2-Chloro-6-bromobenzamide (CAS 66073-53-8)
- (3-Chloro-[2,2'-bipyridin]-5-yl)boronic acid (CAS 2225170-44-3)
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- (3-Chloro-5-(pyrazin-2-yl)phenyl)boronic acid (CAS 2225177-93-3)
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