Ethyl 2-(5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate CAS 199335-40-5
| CAS No. | 199335-40-5 |
| Molecular Formula | C12H13N3O3 |
| Molecular Weight | 247.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 2-(5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Ethyl 2-(5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate (CAS 199335-40-5), a certified reference material (molecular formula C12H13N3O3, MW 247.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H13N3O3, Ethyl 2-(5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.25 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 Ethyl 2-(5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate 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 | C12H13N3O3 |
| Molecular Weight | 247.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 3 |
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