4-Bromo-3,5-dimethylphenylboronic acid CAS 1451391-45-9
| CAS No. | 1451391-45-9 |
| Molecular Formula | C8H10BBrO2 |
| Molecular Weight | 228.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 228.88 g/mol gives 4-Bromo-3,5-dimethylphenylboronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Bromo-3,5-dimethylphenylboronic acid (CAS 1451391-45-9), a certified reference material (molecular formula C8H10BBrO2, MW 228.88 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H10BBrO2, 4-Bromo-3,5-dimethylphenylboronic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 228.88 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H10BBrO2 |
| Molecular Weight | 228.88 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1992 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 4-Bromo-2-ethylphenylboronic acid (CAS 1046861-62-4)
- 4-Bromo-2,6-dimethylphenylboronic acid (CAS 1160561-24-9)
- (3-Bromo-2,5-dimethylphenyl)boronic acid (CAS 1259318-83-6)
- (4-Bromo-2,5-dimethylphenyl)boronic acid (CAS 130870-00-7)
- 4-Bromo-2,3-dimethylphenylboronic acid (CAS 1451391-29-9)
- 2-Bromo-4,5-dimethylphenylboronic acid (CAS 2138894-45-6)
- 5-Bromo-2,4-dimethylphenylboronic acid (CAS 854662-84-3)
- 6-bromo-3,5-dichloro-1,2,4-triazine (CAS 1260671-95-1)
Recommended Standards
- (2-(2-Bromoethyl)phenyl)boronic acid (CAS 850568-82-0)
- (4-(2-Bromoethyl)phenyl)boronic acid (CAS 137756-90-2)
- 1-Bromo-3,5-dichlorobenzene-d3 (CAS 1219803-83-4)
- 1-Bromo-2,3-dichlorobenzene-d3 (CAS 1219805-59-0)
- 2-Isopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2223049-74-7)
- N'-[(1Z)-(5-Methoxy-1H-indol-3-yl)methylidene]-4-(1-methyl-1H-indol-3-yl)butanehydrazide (CAS 866149-20-4)
- N-methyl-3-(trifluoromethyl)bicyclo[1.1.1]pentan-1-amine;hydrochloride (CAS 1886967-16-3)
- 4-Formylphenyl 1-methyl-1H-pyrazole-5-carboxylate (CAS 512809-47-1)
- 1-(8-Azabicyclo[3.2.1]oct-3-yl)-2-methyl-1h-benzimidazole (CAS 1071993-26-4)
- (2S,3R,4S,5S,6S)-5-amino-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4-diol (CAS 4097-95-4)
- 4-(4-Oxocyclohexyl)benzonitrile (CAS 73204-07-6)
- (2-Methoxybenzyl)(methyl)sulfamoyl chloride (CAS 1249051-49-7)
- 6-Chloro-2-methylisoquinolin-1(2H)-one (CAS 1417639-65-6)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com