| CAS No. | 338962-14-4 |
| Molecular Formula | C17H8F8N4 |
| Molecular Weight | 420.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 420.26 g/mol gives 7-[(E)-2-[(2,5-Difluorophenyl)methylidene]hydrazin-1-yl]-2,4-bis(trifluoromethyl)-1,8-naphthyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-[(E)-2-[(2,5-Difluorophenyl)methylidene]hydrazin-1-yl]-2,4-bis(trifluoromethyl)-1,8-naphthyridine (CAS 338962-14-4), molecular formula C17H8F8N4 and molecular weight 420.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H8F8N4, 7-[(E)-2-[(2,5-Difluorophenyl)methylidene]hydrazin-1-yl]-2,4-bis(trifluoromethyl)-1,8-naphthyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 420.26 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).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C17H8F8N4 |
| Molecular Weight | 420.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |