N-((6-(1H-1,2,4-Triazol-1-yl)pyridin-3-yl)methyl)-1-ethyl-3-methyl-2-oxo-1,2-dihydroquinoxaline-6-carboxamide CAS 1222904-47-3
| CAS No. | 1222904-47-3 |
| Molecular Formula | C20H19N7O2 |
| Molecular Weight | 389.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H19N7O2, N-((6-(1H-1,2,4-Triazol-1-yl)pyridin-3-yl)methyl)-1-ethyl-3-methyl-2-oxo-1,2-dihydroquinoxaline-6-carboxamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 389.41 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).
N-((6-(1H-1,2,4-Triazol-1-yl)pyridin-3-yl)methyl)-1-ethyl-3-methyl-2-oxo-1,2-dihydroquinoxaline-6-carboxamide (CAS 1222904-47-3), molecular formula C20H19N7O2 and molecular weight 389.41 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), N-((6-(1H-1,2,4-Triazol-1-yl)pyridin-3-yl)methyl)-1-ethyl-3-methyl-2-oxo-1,2-dihydroquinoxaline-6-carboxamide 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 | C20H19N7O2 |
| Molecular Weight | 389.41 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 7 |
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