| CAS No. | 400087-58-3 |
| Molecular Formula | C21H17ClF3N3O3S |
| Molecular Weight | 483.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 483.89 g/mol gives N'-[2-(4-Chlorophenoxy)ethanimidoyl]-3-{[3-(trifluoromethyl)phenyl]methoxy}thiophene-2-carbohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N'-[2-(4-Chlorophenoxy)ethanimidoyl]-3-{[3-(trifluoromethyl)phenyl]methoxy}thiophene-2-carbohydrazide (CAS 400087-58-3), molecular formula C21H17ClF3N3O3S and molecular weight 483.89 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H17ClF3N3O3S, N'-[2-(4-Chlorophenoxy)ethanimidoyl]-3-{[3-(trifluoromethyl)phenyl]methoxy}thiophene-2-carbohydrazide contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 483.89 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 N'-[2-(4-Chlorophenoxy)ethanimidoyl]-3-{[3-(trifluoromethyl)phenyl]methoxy}thiophene-2-carbohydrazide 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.
| Molecular Formula | C21H17ClF3N3O3S |
| Molecular Weight | 483.89 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 | 3 |
| Sulfur Atoms | 1 |