| CAS No. | 478042-44-3 |
| Molecular Formula | C18H11Cl2F3N2OS |
| Molecular Weight | 431.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 431.26 g/mol gives N-(2,4-dichlorophenyl)-2-(3-(trifluoromethyl)benzyl)thiazole-4-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(2,4-dichlorophenyl)-2-(3-(trifluoromethyl)benzyl)thiazole-4-carboxamide (CAS 478042-44-3), molecular formula C18H11Cl2F3N2OS and molecular weight 431.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H11Cl2F3N2OS, N-(2,4-dichlorophenyl)-2-(3-(trifluoromethyl)benzyl)thiazole-4-carboxamide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 431.26 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.
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.
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.
| Molecular Formula | C18H11Cl2F3N2OS |
| Molecular Weight | 431.26 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| 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 |