5-(4-Nitrophenoxy)-1,3-diphenyl-1H-1,2,4-triazole CAS 5374-70-9
| CAS No. | 5374-70-9 |
| Molecular Formula | C18H19FN2O |
| Molecular Weight | 298.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H19FN2O, 5-(4-Nitrophenoxy)-1,3-diphenyl-1H-1,2,4-triazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 298.35 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).
5-(4-Nitrophenoxy)-1,3-diphenyl-1H-1,2,4-triazole (CAS 5374-70-9) is a high-purity analytical reference standard with the molecular formula C18H19FN2O and a molecular weight of 298.35 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(4-Nitrophenoxy)-1,3-diphenyl-1H-1,2,4-triazole 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.
Physical & Chemical Properties
| Molecular Formula | C18H19FN2O |
| Molecular Weight | 298.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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