| CAS No. | 646508-02-3 |
| Molecular Formula | C12H4Br2F4 |
| Molecular Weight | 383.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 4,4'-Dibromo-2,2',6,6'-tetrafluoro-1,1'-biphenyl (CAS 646508-02-3), a certified reference material (molecular formula C12H4Br2F4, MW 383.96 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H4Br2F4, 4,4'-Dibromo-2,2',6,6'-tetrafluoro-1,1'-biphenyl contains fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 383.96 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4,4'-Dibromo-2,2',6,6'-tetrafluoro-1,1'-biphenyl 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 | C12H4Br2F4 |
| Molecular Weight | 383.96 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 |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1985 |
| Halogen Content | F/Br-containing |