4-Ethoxy-n-{2-[2-methyl-5-(trifluoromethoxy)-1h-indol-3-yl]ethyl}benzene-1-sulfonamide CAS 681844-04-2
| CAS No. | 681844-04-2 |
| Molecular Formula | C20H21F3N2O4S |
| Molecular Weight | 442.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Ethoxy-n-{2-[2-methyl-5-(trifluoromethoxy)-1h-indol-3-yl]ethyl}benzene-1-sulfonamide is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Ethoxy-n-{2-[2-methyl-5-(trifluoromethoxy)-1h-indol-3-yl]ethyl}benzene-1-sulfonamide (CAS 681844-04-2), molecular formula C20H21F3N2O4S and molecular weight 442.45 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H21F3N2O4S, 4-Ethoxy-n-{2-[2-methyl-5-(trifluoromethoxy)-1h-indol-3-yl]ethyl}benzene-1-sulfonamide contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 442.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 4-Ethoxy-n-{2-[2-methyl-5-(trifluoromethoxy)-1h-indol-3-yl]ethyl}benzene-1-sulfonamide 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 | C20H21F3N2O4S |
| Molecular Weight | 442.45 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 3-(1,1-Difluoroethyl)pyrrolidine hydrochloride (CAS 1782455-15-5)
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- 3-Bromo-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 479411-96-6)
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