5-bromo-1-benzofuran-2-boronic acid CAS 331833-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331833-99-9 |
| Molecular Formula | C8H6BBrO3 |
| Molecular Weight | 240.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-bromo-1-benzofuran-2-boronic acid (CAS 331833-99-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H6BBrO3. Molecular weight: 240.85 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H6BBrO3 |
| Molecular Weight | 240.85 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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 |
| 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
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Recommended Standards
- (6-Bromobenzofuran-2-yl)boronic acid (CAS 1202245-53-1)
- 2,4-Dibromo-1H-imidazol-5-amine (CAS 1029720-13-5)
- 67023-84-1 trans,trans-1-Chloro-3,7,11-trimethyl-2,6,10-dodecatriene trans,trans-Farnesyl chloride (CAS 67023-84-1)
- Dodec-5-yn-1-ol (CAS 88109-70-0)
- 4-Amino-1-((2R,3R,4S,5S)-3-hydroxy-5-(hydroxymethyl)-4-methyltetrahydrofuran-2-yl)pyrimidin-2(1H)-one (CAS 444020-09-1)
- (2-(Morpholinomethyl)phenyl)(3,4,5-trifluorophenyl)methanone (CAS 898751-25-2)
- 1-[(5-methyl-1,3-thiazol-2-yl)thio]acetone (CAS 1000932-28-4)
- 1'-tert-Butyl 4'-ethyl 6-bromo-3,4-dihydro-2H-spiro[naphthalene-1,3'-pyrrolidine]-1',4'-dicarboxylate (CAS 1956332-79-8)
- 893747-85-8 1-[(2-Fluorophenyl)methyl]piperazin-2-one DTXSID70602373 (CAS 893747-85-8)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
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 13829788188 / jacky.chen@cato-chem.com