| CAS No. | 92920-33-7 |
| Molecular Formula | C4H7Cl2FN2 |
| Molecular Weight | 173.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,6-dichloro-4-fluoropyridazine (CAS 92920-33-7), molecular formula C4H7Cl2FN2 and molecular weight 173.02 g/mol, is a CATO reference standard with documented purity and traceability.
3,6-dichloro-4-fluoropyridazine (C4H7Cl2FN2) contains fluorine/chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 3,6-dichloro-4-fluoropyridazine 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 | C4H7Cl2FN2 |
| Molecular Weight | 173.02 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |