4-Chloro-3-(methoxycarbonyl)phenylboronic Acid CAS 874219-45-1
| CAS No. | 874219-45-1 |
| Molecular Formula | C8H8BClO4 |
| Molecular Weight | 214.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H8BClO4, 4-Chloro-3-(methoxycarbonyl)phenylboronic 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 214.41 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).
4-Chloro-3-(methoxycarbonyl)phenylboronic Acid (CAS 874219-45-1), molecular formula C8H8BClO4 and molecular weight 214.41 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-Chloro-3-(methoxycarbonyl)phenylboronic 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 | C8H8BClO4 |
| Molecular Weight | 214.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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 |
| 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 4-Chloro-2-(methoxycarbonyl)phenylboronic Acid (CAS 1612256-37-7)
- (2-Chloro-5-(methoxycarbonyl)phenyl)boronic acid (CAS 913835-92-4)
- (3-Chloro-4-(hydrazinecarbonyl)phenyl)boronic acid (CAS 850589-37-6)
- (3-Chloro-5-(methoxycarbonyl)phenyl)boronic acid (CAS 957120-26-2)
- (3-Chloro-5-formyl-2-methoxyphenyl)boronic acid (CAS 511295-08-2)
- (5-chloro-2-methoxycarbonyl-phenyl)boronic acid (CAS 957062-64-5)
- (7-Chloro-2,3-dihydrobenzo[b][1,4]dioxin-5-yl)boronic acid (CAS 936249-26-2)
- 3-Chloro-4-methoxycarbonylphenylboronic Acid (CAS 603122-82-3)
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