| CAS No. | 337922-23-3 |
| Molecular Formula | C21H15ClF4N2O3S |
| Molecular Weight | 486.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-((4-Chloro-N-(3-(trifluoromethyl)phenyl)phenyl)sulfonamido)-N-(2-fluorophenyl)acetamide (CAS 337922-23-3) is a high-purity analytical reference standard with the molecular formula C21H15ClF4N2O3S and a molecular weight of 486.87 g/mol.
Structurally, 2-((4-Chloro-N-(3-(trifluoromethyl)phenyl)phenyl)sulfonamido)-N-(2-fluorophenyl)acetamide (C21H15ClF4N2O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 486.87 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).
As a certified reference material (CRM), 2-((4-Chloro-N-(3-(trifluoromethyl)phenyl)phenyl)sulfonamido)-N-(2-fluorophenyl)acetamide 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.
| Molecular Formula | C21H15ClF4N2O3S |
| Molecular Weight | 486.87 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |