4-Methanesulfonyl-2-(trifluoromethyl)benzoic acid CAS 118939-17-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 118939-17-6 |
| Molecular Formula | C9H7F3O4S |
| Molecular Weight | 268.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methanesulfonyl-2-(trifluoromethyl)benzoic acid (CAS 118939-17-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7F3O4S. Molecular weight: 268.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7F3O4S |
| Molecular Weight | 268.21 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.) | 1990 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Methoxy-2-(methylthio)-6-(trifluoromethyl)pyrimidine-5-carboxylic acid (CAS 1186404-89-6)
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- 2-Amino-6-((perfluoroethyl)thio)benzonitrile (CAS 1159512-51-2)
- 4-Fluoro-3-hydroxy-7-nitro 1H-indazole (CAS 501650-69-7)
- (2E)-1-(4-Fluorophenyl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 105686-90-6)
- 1-(3-O-Nosyl-5-O-trityl-2-deoxy-β-D-lyxofuranosyl)thymine (CAS 471854-53-2)
- 4-Bromo-3-methylbenzyl methanesulfonate (CAS 948350-91-2)
- 4-Bromo-2-chlorobenzo[d]thiazole (CAS 182344-57-6)
- Diethyl sec-Butylethylmalonate (CAS 76-71-1)
- [β-Asp]9-Semaglutide (CAS CATO-CPTD788605)
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