| CAS No. | 338420-02-3 |
| Molecular Formula | C13H8Cl2F3N3 |
| Molecular Weight | 334.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 334.12 g/mol gives 3-Chloro-2-[(1E)-[2-(4-chlorophenyl)hydrazin-1-ylidene]methyl]-5-(trifluoromethyl)pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-2-[(1E)-[2-(4-chlorophenyl)hydrazin-1-ylidene]methyl]-5-(trifluoromethyl)pyridine (CAS 338420-02-3), molecular formula C13H8Cl2F3N3 and molecular weight 334.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H8Cl2F3N3, 3-Chloro-2-[(1E)-[2-(4-chlorophenyl)hydrazin-1-ylidene]methyl]-5-(trifluoromethyl)pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 334.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C13H8Cl2F3N3 |
| Molecular Weight | 334.12 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |