| CAS No. | 339031-00-4 |
| Molecular Formula | C16H17ClN2O3S |
| Molecular Weight | 352.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Ethyl 1-(4-chlorophenyl)-6-oxo-4-(propylthio)-1,6-dihydropyridazine-3-carboxylate (C16H17ClN2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Ethyl 1-(4-chlorophenyl)-6-oxo-4-(propylthio)-1,6-dihydropyridazine-3-carboxylate (CAS 339031-00-4), molecular formula C16H17ClN2O3S and molecular weight 352.84 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl 1-(4-chlorophenyl)-6-oxo-4-(propylthio)-1,6-dihydropyridazine-3-carboxylate 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 | C16H17ClN2O3S |
| Molecular Weight | 352.84 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |