| CAS No. | 78490-61-6 |
| Molecular Formula | C10H7Cl2N3O |
| Molecular Weight | 256.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 256.09 g/mol gives 3-Chloro-4-((6-chloropyridazin-3-yl)oxy)aniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-4-((6-chloropyridazin-3-yl)oxy)aniline (CAS 78490-61-6), molecular formula C10H7Cl2N3O and molecular weight 256.09 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H7Cl2N3O, 3-Chloro-4-((6-chloropyridazin-3-yl)oxy)aniline contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.09 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.
As a certified reference material (CRM), 3-Chloro-4-((6-chloropyridazin-3-yl)oxy)aniline 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.
| Molecular Formula | C10H7Cl2N3O |
| Molecular Weight | 256.09 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |