5-Bromo-2,3-diphenylbenzofuran CAS 55082-66-1
| CAS No. | 55082-66-1 |
| Molecular Formula | C20H13BrO |
| Molecular Weight | 349.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, a hydroxyl group, an ether linkage, bromine substitution, 5-Bromo-2,3-diphenylbenzofuran is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 349.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-Bromo-2,3-diphenylbenzofuran (CAS 55082-66-1), molecular formula C20H13BrO and molecular weight 349.22 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 5-Bromo-2,3-diphenylbenzofuran meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H13BrO |
| Molecular Weight | 349.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
Related Bromo Standards
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- Ethyl 3-bromo-4-((4-methylbenzyl)oxy)benzoate (CAS 1706456-39-4)
- Ethyl 3-bromo-4-((2-methylbenzyl)oxy)benzoate (CAS 1706461-57-5)
- 2'-Bromo-[1,1'-binaphthalen]-2-ol (CAS 721457-68-7)
- 3-(4'-Bromo-[1,1'-biphenyl]-4-yl)benzofuran (CAS 99763-23-2)
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Recommended Standards
- 5-Bromo-1,2-diphenyl-1H-benzo[d]imidazole (CAS 760212-55-3)
- 5-Bromo-2-phenyl-3-(pyridin-2-yl)-1H-indole (CAS 94107-54-7)
- 4-Ethylphenyl 2-(4-bromo-2-methylphenoxy)acetate (CAS 496033-85-3)
- 9-Bromo-10-phenoxyanthracene (CAS 23674-00-2)
- 1-((5-Ethylthiophen-2-yl)methyl)-1h-imidazol-2-amine (CAS 1250931-89-5)
- 8-Bromo-2-methyl-4,5-dihydronaphtho[1,2-d]oxazole (CAS 2389009-27-0)
- 3,9-Bis(3-aminopropyl)-2,4,8,10-tetraoxaspiro[5.5]undecane (CAS 21587-74-6)
- 6,8-Dichloro-2-oxo-2H-chromene-3-carboxylic acid (CAS 2199-86-2)
- 3-((5-Methylhexyl)amino)thietane 1,1-dioxide (CAS 1882165-53-8)
- (<I>R</I>)-(+)-<I>N</I>,<I>N</I>-dimethyl-1-(1-naphthyl)ethylamine (CAS 119392-95-9)
- 4,5-Difluoroindole (CAS 247564-63-2)
- 2-{4-[(dimethylamino)methyl]piperidin-1-yl}aniline (CAS 1274732-71-6)
- 2-((5-Aminopyridin-2-yl)(methyl)amino)ethan-1-ol (CAS 4928-46-5)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
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