| CAS No. | 860556-79-2 |
| Molecular Formula | C6H3BrI2 |
| Molecular Weight | 408.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 408.80 g/mol gives 2-Bromo-1,4-diiodobenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-1,4-diiodobenzene (CAS 860556-79-2) is a high-purity analytical reference standard with the molecular formula C6H3BrI2 and a molecular weight of 408.80 g/mol.
Based on its molecular formula C6H3BrI2, 2-Bromo-1,4-diiodobenzene contains bromine/iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 408.80 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.
As a certified reference material (CRM), 2-Bromo-1,4-diiodobenzene 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.
| Molecular Formula | C6H3BrI2 |
| Molecular Weight | 408.80 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br/I-containing |