4-Bromo-3-chloro-5-methylphenylboronic acid CAS 2377607-91-3
| CAS No. | 2377607-91-3 |
| Molecular Formula | C7H7BBrClO2 |
| Molecular Weight | 249.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromo-3-chloro-5-methylphenylboronic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Bromo-3-chloro-5-methylphenylboronic acid (CAS 2377607-91-3), molecular formula C7H7BBrClO2 and molecular weight 249.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-3-chloro-5-methylphenylboronic acid (C7H7BBrClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 249.30 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 4-Bromo-3-chloro-5-methylphenylboronic 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 | C7H7BBrClO2 |
| Molecular Weight | 249.30 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.) | 1999 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 2-Bromo-6-chloro-3-methylphenylboronic acid (CAS 1309980-97-9)
- 4-Bromo-2-chloro-6-methylphenylboronic acid (CAS 1451391-28-8)
- 4-Bromo-5-chloro-2-methylphenylboronic acid (CAS 1451391-48-2)
- (3-Bromo-5-chloro-2-methylphenyl)boronic acid (CAS 2225155-54-2)
- (4-Bromo-2-chloro-5-methylphenyl)boronic acid (CAS 2225155-64-4)
- (6-Bromo-2-chloro-3-methylphenyl)boronic acid (CAS 957120-28-4)
- 4-Bromo-3-chloro-2-methylphenylboronic acid (CAS 2121514-78-9)
- (3-bromo-5-methylthiophen-2-yl)trimethylsilane (CAS 80959-94-0)
Recommended Standards
- Carbamic acid, N-(4,4-difluorocyclohexyl)-N-methyl-, 1,1-dimethylethyl ester (CAS 919836-32-1)
- 4-((1R,4r)-4-ethylcyclohexyl)-2,6-difluorobenzonitrile (CAS 208844-07-9)
- Tert-butyl ((4,4-difluorocyclohexyl)methyl)carbamate (CAS 809273-64-1)
- 3-Amino-1-{4-[(difluoromethyl)sulfanyl]phenyl}thiourea (CAS 721910-08-3)
- 2-((4-Methoxyphenyl)thio)-5-nitrobenzonitrile (CAS 306980-91-6)
- 5-(4-Bromophenyl)oxazole (CAS 72571-06-3)
- 5-Methoxy-2-methylisonicotinic acid (CAS 1211578-07-2)
- N-(bicyclo[1.1.1]Pentan-1-yl)pivalamide (CAS 1886967-05-0)
- 2-(Furan-2-ylmethyl)-3-hydroxypropanenitrile (CAS 929973-81-9)
- 1-(Tetrahydrofuran-2-yl)pentan-3-one (CAS 81540-29-6)
- 2-Chloro-n-[4-(2-oxopyrrolidin-1-yl)phenyl]acetamide (CAS 923225-78-9)
- Demeton-O-sulfone (CAS 4891-54-7)
- 3-(Isoxazol-5-yl)aniline (CAS 832740-15-5)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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