(4-Bromo-2,5-dimethylphenyl)boronic acid CAS 130870-00-7
| CAS No. | 130870-00-7 |
| 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-2,5-dimethylphenyl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(4-Bromo-2,5-dimethylphenyl)boronic acid (CAS 130870-00-7), molecular formula C8H10BBrO2 and molecular weight 228.88 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H10BBrO2, (4-Bromo-2,5-dimethylphenyl)boronic 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.) | 1994 |
| 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-2,3-dimethylphenylboronic acid (CAS 1451391-29-9)
- 4-Bromo-3,5-dimethylphenylboronic acid (CAS 1451391-45-9)
- 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
- (4-(2-Bromoethyl)phenyl)boronic acid (CAS 137756-90-2)
- 1-Chloro-1,1,2,2-tetramethyl-2-phenyldisilane (CAS 941-15-1)
- (2-(2-Bromoethyl)phenyl)boronic acid (CAS 850568-82-0)
- 4-Bromo-2-formylphenylboronic acid (CAS 2170041-79-7)
- N-((1-(2,2-Difluoroethyl)-5-methyl-1H-pyrazol-4-yl)methyl)-1,4-dimethyl-1H-pyrazol-5-amine hydrochloride (CAS 1856081-95-2)
- 4,6-Dimethylpyrimidine (CAS 1558-17-4)
- 3-(4-Benzoyl-1-piperazinyl)-3-oxopropanoic acid (CAS 896509-15-2)
- 7-Bromo-4-chloro-2,3-dihydro-1H-inden-1-amine (CAS 1337210-81-7)
- 2-Methyl-2-(3-methyl-1H-pyrazol-1-yl)propanoic acid (CAS 1006473-52-4)
- 1-Iodo-4-(1,1,2,2-tetrafluoroethoxy)benzene (CAS 863323-03-9)
- 2-((3,3-Dimethylbutanamido)methyl)thiazole-4-carboxylic acid (CAS 1500587-31-4)
- 6-(tert-Butyl)-5-cyclopropoxy-N,N-dimethylnicotinamide (CAS 1243403-12-4)
- Methyl (3r)-3-amino-3-[3-(trifluoromethyl)phenyl]propanoate hydrochloride (CAS 1354970-82-3)
- Insulin Degludec Impurity 14 (CAS CATO-C4X-215714)
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