(3-Chloro-4-hydroxy-5-methoxyphenyl)boronic acid CAS 919496-57-4
| CAS No. | 919496-57-4 |
| Molecular Formula | C7H8BClO4 |
| Molecular Weight | 202.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H8BClO4, (3-Chloro-4-hydroxy-5-methoxyphenyl)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 202.40 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.
(3-Chloro-4-hydroxy-5-methoxyphenyl)boronic acid (CAS 919496-57-4) is a high-purity analytical reference standard with the molecular formula C7H8BClO4 and a molecular weight of 202.40 g/mol.
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), (3-Chloro-4-hydroxy-5-methoxyphenyl)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 | C7H8BClO4 |
| Molecular Weight | 202.40 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.) | 1987 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-3-iodoprop-1-ene (CAS 39557-31-8)
- 4-Chloro-3-fluoro-2-formylphenylboronic acid (CAS 1451392-90-7)
- 2-Chloro-6-fluoro-3-formylphenylboronic acid (CAS 1451392-95-2)
- 6-Chloro-2-fluoro-3-formylphenylboronic acid (CAS 1451393-10-4)
- 4-Chloro-2-fluoro-3-formylphenylboronic acid (CAS 1451393-44-4)
- (4-Chloro-2-fluoro-5-formylphenyl)boronic acid (CAS 325786-27-4)
- 2-Chloro-3-fluoro-4-formylphenylboronic acid (CAS 2121514-97-2)
- 5-Chloro-3-(meththio)phenylboronic acid (CAS 1451392-52-1)
Recommended Standards
- 2-Methylundecane-2-thiol (CAS 10059-13-9)
- 2,2,4,6,6-Pentamethylheptane-4-thiol (CAS 93002-38-1)
- 5425-44-5 53TCS8B01P 2-Phenyl-1,3-dithiane m-Dithiane, 2-phenyl- 1,3-Dithiane, 2-phenyl- (9CI) 5-19-01-00462 (Beilstein Handbook Reference) BRN 0130879 1,3-Dithiane, 2-phenyl- EINECS 226-568-1 NSC 12763 2-Phenyl-m-dithiane UNII-53TCS8B01P (CAS 5425-44-5)
- Dihexylsulfane (CAS 6294-31-1)
- 6-Methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-sulfonamide (CAS 1011614-09-7)
- tert-Butyl (3R)-3-(2-oxo-1,2,3,4-tetrahydroquinazolin-3-yl)pyrrolidine-1-carboxylate (CAS 1365937-60-5)
- 3-Fluoro-6-methoxy-1,5-naphthyridin-4-ol (CAS 1075259-77-6)
- 4,5-Dibromo-N-isopropylthiophene-2-carboxamide (CAS 874966-75-3)
- Ethyl 2-amino-2-(4-chlorophenyl)butanoate (CAS 4896-01-9)
- N-(3-(tert-butyl)-2-methyl-4-oxo-2,4-dihydroindeno[1,2-c]pyrazol-6-yl)isobutyramide (CAS 634154-97-5)
- N-(2-Bromophenyl)-2-methoxybenzamide (CAS 352331-96-5)
- 4-((4-Chloro-1h-pyrazol-1-yl)methyl)benzohydrazide (CAS 386736-92-1)
- rel-(1R,2R)-2-(4-Fluorophenyl)cyclopropane-1-carboxylic acid (CAS 175275-74-8)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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