2-Chloro-3,4,4,4-tetrafluoro-3-(trifluoromethoxy)but-1-ene CAS 261503-71-3
| CAS No. | 261503-71-3 |
| Molecular Formula | C5H2ClF7O |
| Molecular Weight | 246.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H2ClF7O, 2-Chloro-3,4,4,4-tetrafluoro-3-(trifluoromethoxy)but-1-ene contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 246.51 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.
2-Chloro-3,4,4,4-tetrafluoro-3-(trifluoromethoxy)but-1-ene (CAS 261503-71-3) is a high-purity analytical reference standard with the molecular formula C5H2ClF7O and a molecular weight of 246.51 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C5H2ClF7O |
| Molecular Weight | 246.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
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