| CAS No. | 478077-64-4 |
| Molecular Formula | C25H26ClN5OS |
| Molecular Weight | 480.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 3-(5-((4-(Tert-butyl)benzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorophenyl)pyridazin-4(1H)-one is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(5-((4-(Tert-butyl)benzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorophenyl)pyridazin-4(1H)-one (CAS 478077-64-4), molecular formula C25H26ClN5OS and molecular weight 480.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(5-((4-(Tert-butyl)benzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorophenyl)pyridazin-4(1H)-one (C25H26ClN5OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 480.02 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(5-((4-(Tert-butyl)benzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorophenyl)pyridazin-4(1H)-one 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 | C25H26ClN5OS |
| Molecular Weight | 480.02 g/mol |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |