ethyl 3,3,3-trifluoro-2-{[(4-methylphenyl)sulphonyl]amino}-2-[2-(trifluoromethyl)anilino]propanoate CAS 256332-91-9
| CAS No. | 256332-91-9 |
| Molecular Formula | C19H18F6N2O4S |
| Molecular Weight | 484.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
ethyl 3,3,3-trifluoro-2-{[(4-methylphenyl)sulphonyl]amino}-2-[2-(trifluoromethyl)anilino]propanoate (CAS 256332-91-9) is a high-purity analytical reference standard with the molecular formula C19H18F6N2O4S and a molecular weight of 484.41 g/mol.
Structurally, ethyl 3,3,3-trifluoro-2-{[(4-methylphenyl)sulphonyl]amino}-2-[2-(trifluoromethyl)anilino]propanoate (C19H18F6N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 484.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H18F6N2O4S |
| Molecular Weight | 484.41 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(4-Bromophenyl)-5-(2-(hexyloxy)benzylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 624726-00-7)
- Vilanterol Impurity 86 (CAS 2514696-13-8)
- 5,5′-[2,2′-Bipyridine]-5,5′-diylbis[1,3-benzenedicarboxylic acid] (CAS 1809900-82-0)
- Tris(4-trifluorotolyl)phosphine (CAS 13406-29-6)
- 3,5-Dichloro-4-(2,6-dimethylmorpholino)aniline (CAS 1708199-24-9)
- 2-(3-(Aminomethyl)tetrahydrofuran-3-yl)propan-2-ol (CAS 1506591-24-7)
- Ramiprilat D5 (Mixture of Diastereomers) (CAS 1356837-92-7)
- 4-Chlorophenyl 2-(2,3-dihydrobenzo[b][1,4]dioxin-2-yl)thiazole-4-carboxylate (CAS 545399-94-8)
- 2,6-Dimethyl-2',4'-difluorobiphenyl-4-carboxaldehyde (CAS 1350760-27-8)
- Methyl 7-chloro-1H-pyrrolo[2,3-c]pyridine-3-carboxylate (CAS 1266557-63-4)
- 2-(((1R,2R)-2-(3-(3,5-Bis(trifluoromethyl)phenyl)thioureido)cyclohexyl)carbamoyl)benzoic acid (CAS 1583256-91-0)
- 4-(1-Butyl-5-oxopyrrolidine-3-carboxamido)benzoic acid (CAS 1217862-59-3)
- NO-Feng-PDEtMPPi (CAS 1502814-74-5)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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