1-(2,5-Difluorophenyl)-2-((trifluoromethyl)sulfonyl)ethan-1-one CAS 1346521-35-4
| CAS No. | 1346521-35-4 |
| Molecular Formula | C9H5F5O3S |
| Molecular Weight | 288.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 1-(2,5-Difluorophenyl)-2-((trifluoromethyl)sulfonyl)ethan-1-one (CAS 1346521-35-4), a certified reference material (molecular formula C9H5F5O3S, MW 288.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H5F5O3S, 1-(2,5-Difluorophenyl)-2-((trifluoromethyl)sulfonyl)ethan-1-one contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.19 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).
CATO manufactures 1-(2,5-Difluorophenyl)-2-((trifluoromethyl)sulfonyl)ethan-1-one 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.
Physical & Chemical Properties
| Molecular Formula | C9H5F5O3S |
| Molecular Weight | 288.19 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Ethyl 3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylate (CAS 37572-24-0)
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