2-Bromo-5-methoxybenzene boronic acid CAS 89694-44-0
| CAS No. | 89694-44-0 |
| Molecular Formula | C7H8BBrO3 |
| Molecular Weight | 230.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Bromo-5-methoxybenzene boronic acid.
2-Bromo-5-methoxybenzene boronic acid (CAS 89694-44-0), molecular formula C7H8BBrO3 and molecular weight 230.85 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-5-methoxybenzene boronic acid (C7H8BBrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, 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 230.85 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C7H8BBrO3 |
| Molecular Weight | 230.85 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.) | 1982 |
| Halogen Content | Br-containing |
Related Bromo Standards
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- (5-Bromo-2-methoxyphenyl)boronic acid (CAS 89694-45-1)
Recommended Standards
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- Tedizolid Impurity 24 (CAS CATO-C4X-105424)
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