| CAS No. | 374-25-4 |
| Molecular Formula | C4H3BrClF3 |
| Molecular Weight | 223.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
374-25-4 4-bromanyl-3-chloranyl-3,4,4-tris(fluoranyl)but-1-ene 4-bromo-3-chloro-3,4,4-trifluoro-1-butene A823642 (CAS 374-25-4), molecular formula C4H3BrClF3 and molecular weight 223.42 g/mol, is a CATO reference standard with documented purity and traceability.
374-25-4 4-bromanyl-3-chloranyl-3,4,4-tris(fluoranyl)but-1-ene 4-bromo-3-chloro-3,4,4-trifluoro-1-butene A823642 (C4H3BrClF3) contains fluorine/chlorine/bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 374-25-4 4-bromanyl-3-chloranyl-3,4,4-tris(fluoranyl)but-1-ene 4-bromo-3-chloro-3,4,4-trifluoro-1-butene A823642 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 | C4H3BrClF3 |
| Molecular Weight | 223.42 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl/Br-containing |