N-(4-chloro-2-(trifluoromethyl)phenyl)-1-(2,4-dichloro-5-methoxyphenyl)-5-methyl-1H-1,2,4-triazole-3-carboxamide CAS 339015-17-7
| CAS No. | 339015-17-7 |
| Molecular Formula | C18H12Cl3F3N4O2 |
| Molecular Weight | 479.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
N-(4-chloro-2-(trifluoromethyl)phenyl)-1-(2,4-dichloro-5-methoxyphenyl)-5-methyl-1H-1,2,4-triazole-3-carboxamide (CAS 339015-17-7) is a high-purity analytical reference standard with the molecular formula C18H12Cl3F3N4O2 and a molecular weight of 479.67 g/mol.
Based on its molecular formula C18H12Cl3F3N4O2, N-(4-chloro-2-(trifluoromethyl)phenyl)-1-(2,4-dichloro-5-methoxyphenyl)-5-methyl-1H-1,2,4-triazole-3-carboxamide contains a steroid core, an amide 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 479.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C18H12Cl3F3N4O2 |
| Molecular Weight | 479.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
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