| CAS No. | 347838-15-7 |
| Molecular Formula | C4Br2F2S |
| Molecular Weight | 277.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 2,5-Dibromo-3,4-difluorothiophene is closely related to sulfur-containing functionality, fluorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,5-Dibromo-3,4-difluorothiophene (CAS 347838-15-7) is a high-purity analytical reference standard with the molecular formula C4Br2F2S and a molecular weight of 277.91 g/mol.
Based on its molecular formula C4Br2F2S, 2,5-Dibromo-3,4-difluorothiophene contains sulfur-containing functionality, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
CATO manufactures 2,5-Dibromo-3,4-difluorothiophene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C4Br2F2S |
| Molecular Weight | 277.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |