4-(Methylsulfonyl)-3-(trifluoromethyl)aniline CAS 252561-92-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 252561-92-5 |
| Molecular Formula | C8H8F3NO2S |
| Molecular Weight | 239.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Methylsulfonyl)-3-(trifluoromethyl)aniline (CAS 252561-92-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H8F3NO2S. Molecular weight: 239.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H8F3NO2S |
| Molecular Weight | 239.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4,5,6,7-Tetrafluorobenzo[d]thiazole-2(3H)-thione (CAS 786657-51-0)
- 3-Methyl-2-((trifluoromethyl)sulfonyl)aniline (CAS 2759078-91-4)
- 5-Nitro-2-(thiazol-2-ylamino)pyrimidin-4(1H)-one (CAS 77961-26-3)
- (R)-3-Isopropylisoindolin-1-one (CAS 126186-85-4)
- 1-(6-Bromopyridin-2-yl)piperazine (CAS 219635-91-3)
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- 4-Bromo-2-fluoro-6-hydroxybenzoic acid (CAS 1805589-29-0)
- m-Tolylmethanesulfonyl chloride (CAS 53531-68-3)
- 5-Bromo-6-methoxy-1,3-dihydro-2-benzofuran (CAS 1781444-68-5)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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