Ethyl 2-[N-(2,4-dichloro-5-methoxyphenyl)4-chlorobenzenesulfonamido]acetate CAS 338961-33-4
| CAS No. | 338961-33-4 |
| Molecular Formula | C17H16Cl3NO5S |
| Molecular Weight | 452.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 2-[N-(2,4-dichloro-5-methoxyphenyl)4-chlorobenzenesulfonamido]acetate (CAS 338961-33-4) is a high-purity analytical reference standard with the molecular formula C17H16Cl3NO5S and a molecular weight of 452.74 g/mol.
Based on its molecular formula C17H16Cl3NO5S, Ethyl 2-[N-(2,4-dichloro-5-methoxyphenyl)4-chlorobenzenesulfonamido]acetate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 452.74 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).
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 | C17H16Cl3NO5S |
| Molecular Weight | 452.74 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-{N-[2,4-dichloro-5-(propan-2-yloxy)phenyl]4-chlorobenzenesulfonamido}acetic acid (CAS 338967-38-7)
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