1,2,7,9-Tetrabromodibenzo[b,d]furan CAS 617707-70-7
| CAS No. | 617707-70-7 |
| Molecular Formula | C12H4Br4O |
| Molecular Weight | 483.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
1,2,7,9-Tetrabromodibenzo[b,d]furan (CAS 617707-70-7) is a high-purity analytical reference standard with the molecular formula C12H4Br4O and a molecular weight of 483.78 g/mol.
The molecular framework of 1,2,7,9-Tetrabromodibenzo[b,d]furan (C12H4Br4O) is characterized by a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C12H4Br4O |
| Molecular Weight | 483.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
Related Tetrabromodibenzo Standards
- 2,3,4,6-Tetrabromodibenzo[b,d]furan (CAS 131166-91-1)
- 1,2,3,4-Tetrabromodibenzo[b,d]furan (CAS 617707-58-1)
- 1,2,4,8-Tetrabromodibenzo[b,d]furan (CAS 617707-65-0)
- 1,2,4,9-Tetrabromodibenzo[b,d]furan (CAS 617707-66-1)
- 1,2,6,8-Tetrabromodibenzo[b,d]furan (CAS 617707-68-3)
- 1,2,6,9-Tetrabromodibenzo[b,d]furan (CAS 617707-69-4)
- 1,2,8,9-Tetrabromodibenzo[b,d]furan (CAS 617707-71-8)
- 1,3,4,7-Tetrabromodibenzo[b,d]furan (CAS 617707-73-0)
Recommended Standards
- 1,2,7,8-Tetrabromodibenzofuran (CAS 84761-80-8)
- 1,3,6,7-Tetrabromodibenzo[b,d]furan (CAS 617707-76-3)
- 1,3,6,9-Tetrabromodibenzo[b,d]furan (CAS 617707-78-5)
- 1,4,7,8-Tetrabromodibenzo[b,d]furan (CAS 617708-57-3)
- 5-Amino-4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 132522-83-9)
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- 1,3-Dibromo-2-difluoromethoxy-5-ethoxybenzene (CAS 1806346-94-0)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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