| CAS No. | 343372-52-1 |
| Molecular Formula | C17H13F3N4O |
| Molecular Weight | 346.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 346.31 g/mol gives N-Methyl-N-[3-(trifluoromethyl)-2-quinoxalinyl]benzenecarbohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-Methyl-N-[3-(trifluoromethyl)-2-quinoxalinyl]benzenecarbohydrazide (CAS 343372-52-1), molecular formula C17H13F3N4O and molecular weight 346.31 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, N-Methyl-N-[3-(trifluoromethyl)-2-quinoxalinyl]benzenecarbohydrazide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 346.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 N-Methyl-N-[3-(trifluoromethyl)-2-quinoxalinyl]benzenecarbohydrazide 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 | C17H13F3N4O |
| Molecular Weight | 346.31 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 |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |