2-Acetyl-5-bromobenzofuran-4,7-dione CAS 1389264-29-2
| CAS No. | 1389264-29-2 |
| Molecular Formula | C10H5BrO4 |
| Molecular Weight | 269.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Acetyl-5-bromobenzofuran-4,7-dione (CAS 1389264-29-2) is a high-purity analytical reference standard with the molecular formula C10H5BrO4 and a molecular weight of 269.05 g/mol.
Based on its molecular formula C10H5BrO4, 2-Acetyl-5-bromobenzofuran-4,7-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.05 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.
As a certified reference material (CRM), 2-Acetyl-5-bromobenzofuran-4,7-dione 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 | C10H5BrO4 |
| Molecular Weight | 269.05 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
Related Acetyl Standards
- 2-Acetyl-6-bromobenzofuran-4,7-dione (CAS 1392804-26-0)
- Ethyl 7-bromobenzofuran-2-carboxylate (CAS 1033201-65-8)
- Methyl 2-(5-bromobenzofuran-3-yl)acetate (CAS 1420792-94-4)
- Ethyl 5-bromobenzofuran-2-carboxylate, 97% (CAS 84102-69-2)
- Ethyl 6-bromobenzofuran-2-carboxylate (CAS 907945-62-4)
- Methyl 2-(6-Bromobenzofuran-3(2H)-ylidene)acetate (CAS 2091562-32-0)
- 1-(5-Bromobenzofuran-2-yl)-2-methylpropan-1-amine (CAS 1038710-35-8)
- 1-(5-Bromobenzofuran-2-yl)butan-1-amine (CAS 1270520-67-6)
Recommended Standards
- 6-Bromo-2-oxo-2H-chromene-4-carboxylic acid (CAS 1355193-66-6)
- 2-(5-Bromofuran-2-yl)-5-hydrazinyloxazole-4-carbonitrile (CAS 1353501-73-1)
- 6-Bromo-3-nitroquinolin-4(1H)-one (CAS 1429502-75-9)
- 2-Bromo-5-nitro-1H-indole-3-carbaldehyde (CAS 1246471-79-3)
- (s)-2-Amino-2-(2-morpholinophenyl)ethan-1-ol (CAS 1213318-60-5)
- 3-(Benzo[d][1,3]dioxol-5-yl)-5-(4-ethoxyphenyl)-1H-pyrazole (CAS 651717-34-9)
- HOTU (CAS 333717-40-1)
- (E)-N'-(1-(4-aminophenyl)ethylidene)-3-chlorobenzohydrazide (CAS 304456-58-4)
- （Boc）2-DEG (CAS 1236275-83-4)
- [1,2,4]Triazolo[1,5-a][1,3,5]triazine-5,7-diamine (CAS 102365-46-8)
- 3,3′′′-dihexyl-2,2′:5′,2′′:5′′,2′′′-tetrathiophene (CAS 132814-91-6)
- 4-((9H-Purin-6-yl)amino)-1-benzylpyrrolidin-2-one (CAS 1333714-43-4)
- 2-[(2-Benzimidazolyl)methyl]benzothiazole (CAS 66557-64-0)
- (9-D-Asp) Semaglutide X Sodium salt (CAS CATO-CPTD788617)
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