3-Phenyl-2-(trifluoromethyl)thiophene CAS 256414-70-7
| CAS No. | 256414-70-7 |
| Molecular Formula | C11H7F3S |
| Molecular Weight | 228.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-Phenyl-2-(trifluoromethyl)thiophene (CAS 256414-70-7), molecular formula C11H7F3S and molecular weight 228.23 g/mol, is a CATO reference standard with documented purity and traceability.
3-Phenyl-2-(trifluoromethyl)thiophene (C11H7F3S) contains sulfur-containing functionality, fluorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
As a certified reference material (CRM), 3-Phenyl-2-(trifluoromethyl)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 | C11H7F3S |
| Molecular Weight | 228.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Phenyl Standards
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- 2-[3-(Trifluoromethyl)phenyl]thiophene (CAS 59156-12-6)
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Recommended Standards
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- 6-Bromo-2-(5-methyl-2-furyl)quinoline-4-carbonyl chloride (CAS 1160265-01-9)
- 2-Chloro-4-(chlorosulfonyl)benzoic acid (CAS 61953-04-6)
- (2-Methyl-4-sulfamoyl-phenoxy)-acetic acid (CAS 91004-91-0)
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