Methyl 4-methanesulfonyl-2-(trifluoromethyl)benzoate CAS 1951440-91-7
| CAS No. | 1951440-91-7 |
| Molecular Formula | C10H9F3O4S |
| Molecular Weight | 282.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 4-methanesulfonyl-2-(trifluoromethyl)benzoate (C10H9F3O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Methyl 4-methanesulfonyl-2-(trifluoromethyl)benzoate (CAS 1951440-91-7) is a high-purity analytical reference standard with the molecular formula C10H9F3O4S and a molecular weight of 282.24 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.
As a certified reference material (CRM), Methyl 4-methanesulfonyl-2-(trifluoromethyl)benzoate 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 | C10H9F3O4S |
| Molecular Weight | 282.24 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.) | 1996 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2,2,2-Trifluoroethyl (6,7-dihydro-4H-pyrano[4,3-d]thiazol-2-yl)carbamate (CAS 1924283-65-7)
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- Exenatide (CAS 141758-74-9（free base）)
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