(4-Chloro-3-ethylphenyl)boronic acid CAS 918810-94-3
| CAS No. | 918810-94-3 |
| Molecular Formula | C8H10BClO2 |
| Molecular Weight | 184.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(4-Chloro-3-ethylphenyl)boronic acid (CAS 918810-94-3) is a high-purity analytical reference standard with the molecular formula C8H10BClO2 and a molecular weight of 184.43 g/mol.
Based on its molecular formula C8H10BClO2, (4-Chloro-3-ethylphenyl)boronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.43 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.
CATO manufactures (4-Chloro-3-ethylphenyl)boronic 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 | C8H10BClO2 |
| Molecular Weight | 184.43 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.) | 1987 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- (4-Chloro-2,6-dimethylphenyl)boronic acid (CAS 1027045-31-3)
- (4-Chloro-3,5-dimethylphenyl)boronic acid (CAS 1056475-86-5)
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- 2-Chloro-5-ethylphenylboronic Acid (CAS 1418023-51-4)
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Recommended Standards
- 4-Chloro-2,3-dimethylphenylboronic acid (CAS 2121511-58-6)
- 1，2，3-Trichlorobenzene-d3 (CAS 3907-98-0)
- (2-(2-Chloroethyl)phenyl)boronic acid (CAS 1238588-10-7)
- 1,2,4-Trichlorobenzene-d3 (CAS 2199-72-6)
- 4-Chloro-6-(4,4-difluoropiperidin-1-yl)pyrimidine (CAS 1590398-25-6)
- 2-(4-Butylphenyl)pyridine (CAS 334988-37-3)
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- 1,1-Dibutyl-2-((2,6-dimethylphenyl)carbamoyl)piperidin-1-ium iodide (CAS 852669-91-1)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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