4-[1-(Benzenesulfonyl)ethyl]-5-ethyl-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-imidazol-2-one CAS 439096-16-9
| CAS No. | 439096-16-9 |
| Molecular Formula | C21H21F3N2O3S |
| Molecular Weight | 438.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[1-(Benzenesulfonyl)ethyl]-5-ethyl-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-imidazol-2-one (CAS 439096-16-9), molecular formula C21H21F3N2O3S and molecular weight 438.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H21F3N2O3S, 4-[1-(Benzenesulfonyl)ethyl]-5-ethyl-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-imidazol-2-one contains a steroid 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 438.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 4-[1-(Benzenesulfonyl)ethyl]-5-ethyl-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-imidazol-2-one 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 | C21H21F3N2O3S |
| Molecular Weight | 438.46 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Benzenesulfonyl Standards
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- 4-[(Benzenesulfonyl)methyl]-6-[(4-bromophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-48-8)
- 3-(Benzenesulfonyl)-6,8-dibromoquinolin-2-amine (CAS 866019-19-4)
- 1027069-88-0 1-(Benzenesulfonyl)-4-bromo-1H-indole-3-sulfonyl chloride DTXSID30673963 (CAS 1027069-88-0)
- 5-(Benzenesulfonyl)-4-(2,4-dichlorophenyl)-2-(pyridin-3-yl)pyrimidine (CAS 339108-13-3)
- 5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-2-yl)pyrimidine (CAS 339107-70-9)
- 5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-3-yl)pyrimidine (CAS 339107-68-5)
Recommended Standards
- 4-[(4-Methylphenyl)sulfanyl]-2-phenyl-6-[3-(trifluoromethyl)phenoxy]pyrimidine (CAS 478067-34-4)
- N,1-dimethyl-3,5-dinitro-6-(4-(phenylsulfonyl)piperazin-1-yl)-1,4-dihydropyridin-2-amine (CAS 339020-84-7)
- 2-(2,4-Diphenylthiazol-5-yl)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 339277-65-5)
- Fluticasone Impurity 51 (CAS CATO-C4X-165051)
- 4-Bromoindoline Hydrochloride (CAS 1187929-39-0)
- Methyl 5-((4-(tert-butyl)phenoxy)methyl)furan-2-carboxylate (CAS 406470-78-8)
- 2-Hydroxy-5-((3-(trifluoromethyl)phenyl)diazenyl)benzaldehyde (CAS 221296-60-2)
- 8-Oxa-2-azaspiro[4.5]Decane-6-carboxylic acid (CAS 2387597-26-2)
- 3'-O-(t-Butyldimethylsilyl)-2'-deoxy-2'-fluorouridine (CAS 1445379-59-8)
- 1-(Bromomethyl)-3-(2-chlorophenyl)benzene (CAS 83169-85-1)
- (S)-4-(benzyloxycarbonyl)thiomorpholine-3-carboxylic acid (CAS 114580-22-2)
- 6-Dimethoxyphosphoryl-5-oxo-hexanoic acid (CAS 130121-24-3)
- (E)-4-(Dimethylamino)-3-nitrobut-3-en-2-one (CAS 1704065-73-5)
- [a-Glu](Side chain transposition)- Semaglutide (CAS CATO-C4X-2226111)
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