3-Bromo-4-(difluoromethyl)thiophene CAS 1784977-09-8
| CAS No. | 1784977-09-8 |
| Molecular Formula | C5H3BrF2S |
| Molecular Weight | 213.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromo-4-(difluoromethyl)thiophene is closely related to sulfur-containing functionality, fluorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Bromo-4-(difluoromethyl)thiophene (CAS 1784977-09-8) is a high-purity analytical reference standard with the molecular formula C5H3BrF2S and a molecular weight of 213.04 g/mol.
Based on its molecular formula C5H3BrF2S, 3-Bromo-4-(difluoromethyl)thiophene contains sulfur-containing functionality, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 213.04 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.
As a certified reference material (CRM), 3-Bromo-4-(difluoromethyl)thiophene 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.
Physical & Chemical Properties
| Molecular Formula | C5H3BrF2S |
| Molecular Weight | 213.04 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.) | 1994 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-2-(difluoromethyl)thiophene (CAS 1403667-53-7)
- 2-Bromo-4-(difluoromethyl)thiophene (CAS 1426290-09-6)
- 2-Bromo-3-(difluoromethyl)thiophene (CAS 2092062-85-4)
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- 4-Bromo-2-(difluoromethyl)-thiophene (CAS 627526-93-6)
- 7-Bromo-[1,2,4]triazolo[4,3-a]pyridin-3-amine (CAS 1019918-41-2)
- 6-Bromo-7-methyloxazolo[5,4-b]pyridine (CAS 1023817-91-5)
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