4-Bromo-7-chlorobenzofuran CAS 855343-01-0
| CAS No. | 855343-01-0 |
| Molecular Formula | C8H4BrClO |
| Molecular Weight | 231.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 231.47 g/mol gives 4-Bromo-7-chlorobenzofuran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Bromo-7-chlorobenzofuran (CAS 855343-01-0), a certified reference material (molecular formula C8H4BrClO, MW 231.47 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H4BrClO, 4-Bromo-7-chlorobenzofuran contains a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 4-Bromo-7-chlorobenzofuran 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 | C8H4BrClO |
| Molecular Weight | 231.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 5-Bromo-7-chlorobenzofuran (CAS 1194375-29-5)
- 7-Bromo-3-chlorobenzofuran (CAS 1368229-56-4)
- 5-Bromo-4-chloro-1-benzofuran (CAS 1427324-99-9)
- 6-Bromo-5-chloro-1-benzofuran (CAS 1427368-44-2)
- 4-Bromo-6-chlorobenzofuran (CAS 1427377-74-9)
- 7-Bromo-6-chloro-1-benzofuran (CAS 1427404-45-2)
- 4-Bromo-5-chloro-1-benzofuran (CAS 1427405-29-5)
- 2-Bromo-7-chlorobenzofuran (CAS 2274076-22-9)
Recommended Standards
- 3-Bromo-6-chlorobenzofuran (CAS 36739-97-6)
- 7-Bromo-4-chloro-1-benzofuran (CAS 325486-41-7)
- 3-Bromo-5-chlorobenzofuran (CAS 36739-99-8)
- 7-Bromo-5-chlorobenzofuran (CAS 286836-07-5)
- Methyl 3-(methylamino)-4-phenylbutanoate (CAS 1368122-98-8)
- ((S)-2,2,2-Trifluoro-1-methylethyl)benzene (CAS 1212716-22-7)
- 4-(4-Chloro-3-methyl-1h-pyrazol-1-yl)-2-methyl-2-(methylamino)butanamide (CAS 1343938-13-5)
- 2-(6-Oxo-5-(2-(pentyloxy)benzylidene)-5,6-dihydrothiazolo[3,2-b][1,2,4]triazol-2-yl)phenyl acetate (CAS 617694-63-0)
- m-Phenylenediamine Impurity 5 (CAS CATO-C4X-34285)
- 3-(2-Cyanophenyl)acrylic acid methyl ester (CAS 18524-80-6)
- (R)-1-(4-Chloro-2,5-difluorophenyl)propan-1-amine hydrochloride (CAS 2301881-45-6)
- 2,2,2-Trifluoroethyl n-(5-methyl-1,2-oxazol-3-yl)carbamate (CAS 875858-79-0)
- n-(Piperidin-4-yl)-4-(trifluoromethyl)benzamide hydrochloride (CAS 1707580-57-1)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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