7,8-Dibromo-1,2,3,4,6-pentachlorodibenzo[b,d]furan CAS 107207-45-4
| CAS No. | 107207-45-4 |
| Molecular Formula | C12H8O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7,8-Dibromo-1,2,3,4,6-pentachlorodibenzo[b,d]furan 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.
7,8-Dibromo-1,2,3,4,6-pentachlorodibenzo[b,d]furan (CAS 107207-45-4) is a high-purity analytical reference standard with the molecular formula C12H8OBrCl and a molecular weight of 283.55 g/mol.
Based on its molecular formula C12H8OBrCl, 7,8-Dibromo-1,2,3,4,6-pentachlorodibenzo[b,d]furan 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 283.55 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.
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 | C12H8O 2*Br 5*Cl |
| Molecular Weight | 283.55 g/mol |
| Appearance | Pale yellow to 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/Br-containing |
Related Dibromo Standards
- 3,5-Dibromo-2-chloro-4-methylpyridine (CAS 1000017-92-4)
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- 2,6-Dibromo-4-(trifluoromethyl)pyridine (CAS 1000152-84-0)
- 3,5-Dibromo-2-fluoro-4-methylpyridine (CAS 1000340-01-1)
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- 2-ethyl-5-methyl-2H-1,2,3-triazole-4-carboxylic acid (CAS 871892-44-3)
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