| CAS No. | 478254-27-2 |
| Molecular Formula | C19H20ClN5S |
| Molecular Weight | 385.91 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-(2-Chlorophenyl)-4-((4-(diethylamino)benzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-27-2), molecular formula C19H20ClN5S and molecular weight 385.91 g/mol, is a CATO reference standard with documented purity and traceability.
3-(2-Chlorophenyl)-4-((4-(diethylamino)benzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (C19H20ClN5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. Halogen substitution raises its density and boiling point; 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).
As a certified reference material (CRM), 3-(2-Chlorophenyl)-4-((4-(diethylamino)benzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione 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 | C19H20ClN5S |
| Molecular Weight | 385.91 g/mol |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |