6-Bromobenzofuran-2-carboxylic acid CAS 439107-94-5
| CAS No. | 439107-94-5 |
| Molecular Formula | C9H5BrO3 |
| Molecular Weight | 241.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
6-Bromobenzofuran-2-carboxylic acid (CAS 439107-94-5), molecular formula C9H5BrO3 and molecular weight 241.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Bromobenzofuran-2-carboxylic acid (C9H5BrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 241.04 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 6-Bromobenzofuran-2-carboxylic 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 | C9H5BrO3 |
| Molecular Weight | 241.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
Related Bromobenzofuran Standards
- 5-Bromobenzofuran-2-carboxylic acid, 97% (CAS 10242-11-2)
- 4-Bromobenzofuran-2-carboxylic Acid (CAS 1369143-28-1)
- 7-Bromobenzofuran-4-carboxylic acid (CAS 1379300-53-4)
- 7-Bromobenzofuran-2-carboxylic acid (CAS 550998-59-9)
- (R)-1-(5-bromobenzofuran-2-yl)ethan-1-ol (CAS 600727-05-7)
- 1-(5-Bromobenzofuran-2-yl)ethan-1-ol (CAS 592542-03-5)
- (6-Bromobenzofuran-2-yl)boronic acid (CAS 1202245-53-1)
- 3-Bromobenzofuran-2-carboxamide (CAS 2090469-43-3)
Recommended Standards
- 6-Bromobenzo[d]oxazole-2-carboxamide (CAS 954239-70-4)
- 6-Bromoimidazo[1,2-a]pyridine-3-carboxylic Acid (CAS 944896-42-8)
- 6-Bromo-4-nitro-1H-indole (CAS 885520-50-3)
- 6-Bromoimidazo[1,5-a]pyridine-5-carboxylic acid (CAS 2192264-83-6)
- 78676-34-3 1-benzothiophene-3-carbohydrazide DTXSID60397125 (CAS 78676-34-3)
- 5-Bromo-2-(3-piperidin-1-yl-propoxy)-pyridine (CAS 917473-34-8)
- 1-[2,4-Dichloro-5-(propan-2-yloxy)phenyl]-N-(2,3-dichlorophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxamide (CAS 400088-27-9)
- N-[(E)-2-[6-Methyl-3-(propylsulfanyl)-1,2,4-triazin-5-yl]ethenyl]-3-(trifluoromethyl)aniline (CAS 477866-30-1)
- 1-Benzyl 4-methyl (4R)-2-oxoimidazolidine-1,4-dicarboxylate (CAS 960205-74-7)
- 4-((4-Nitrophenyl)amino)-4-oxobutanoic acid (CAS 5502-63-6)
- Biotin-PFP ester (CAS 120550-35-8)
- 2-(2-Fluoro-4-methoxyphenyl)-2-hydroxyacetic acid (CAS 1214327-99-7)
- [(3aR,4R,6R,6aR)-6-Methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl]methyl Methanesulfonate (CAS 50610-99-6)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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