| CAS No. | 672949-63-2 |
| Molecular Formula | C20H18N6O5 |
| Molecular Weight | 422.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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 supplies 3-{2-[(1Z)-2-(2,4-dinitrophenyl)cyclohexylidene]hydrazin-1-yl}-1,2-dihydroquinoxalin-2-one (CAS 672949-63-2), a certified reference material (molecular formula C20H18N6O5, MW 422.39 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H18N6O5, 3-{2-[(1Z)-2-(2,4-dinitrophenyl)cyclohexylidene]hydrazin-1-yl}-1,2-dihydroquinoxalin-2-one contains a flavonoid 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 422.39 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).
CATO manufactures 3-{2-[(1Z)-2-(2,4-dinitrophenyl)cyclohexylidene]hydrazin-1-yl}-1,2-dihydroquinoxalin-2-one 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.
| Molecular Formula | C20H18N6O5 |
| Molecular Weight | 422.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 6 |