Methyl (E)-3-(3-chloro-4-fluoroanilino)-2-(1H-1,2,4-triazol-1-yl)-2-propenoate CAS 383148-47-8
| CAS No. | 383148-47-8 |
| Molecular Formula | C12H10ClFN4O2 |
| Molecular Weight | 296.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H10ClFN4O2, Methyl (E)-3-(3-chloro-4-fluoroanilino)-2-(1H-1,2,4-triazol-1-yl)-2-propenoate contains a nitrogen-containing heterocyclic scaffold, 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 296.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl (E)-3-(3-chloro-4-fluoroanilino)-2-(1H-1,2,4-triazol-1-yl)-2-propenoate (CAS 383148-47-8), molecular formula C12H10ClFN4O2 and molecular weight 296.68 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), Methyl (E)-3-(3-chloro-4-fluoroanilino)-2-(1H-1,2,4-triazol-1-yl)-2-propenoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H10ClFN4O2 |
| Molecular Weight | 296.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| 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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