| CAS No. | 374-26-5 |
| Molecular Formula | C4H3Cl2F3 |
| Molecular Weight | 178.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 178.97 g/mol gives 3,4-Dichloro-3,4,4-trifluorobut-1-ene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3,4-Dichloro-3,4,4-trifluorobut-1-ene (CAS 374-26-5), a certified reference material (molecular formula C4H3Cl2F3, MW 178.97 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H3Cl2F3, 3,4-Dichloro-3,4,4-trifluorobut-1-ene contains fluorine/chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 178.97 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.
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.
| Molecular Formula | C4H3Cl2F3 |
| Molecular Weight | 178.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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-containing |