4,5-Di-o-tolyl-2,4-dihydro-3h-1,2,4-triazole-3-thione CAS 1048801-42-8
| CAS No. | 1048801-42-8 |
| Molecular Formula | C16H15N3S |
| Molecular Weight | 281.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Di-o-tolyl-2,4-dihydro-3h-1,2,4-triazole-3-thione (C16H15N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
4,5-Di-o-tolyl-2,4-dihydro-3h-1,2,4-triazole-3-thione (CAS 1048801-42-8), molecular formula C16H15N3S and molecular weight 281.38 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4,5-Di-o-tolyl-2,4-dihydro-3h-1,2,4-triazole-3-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.
Physical & Chemical Properties
| Molecular Formula | C16H15N3S |
| Molecular Weight | 281.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- 5-Phenyl-4-(1-phenylethyl)-4h-1,2,4-triazole-3-thiol (CAS 1038324-19-4)
- 4-Phenyl-5-(2-phenylethyl)-4h-1,2,4-triazol-3-yl hydrosulfide (CAS 114246-71-8)
- N-(2,6-Dimethylphenyl)-1H-benzo[d]imidazole-2-carbothioamide (CAS 1021208-03-6)
- 6-Phenyl-3-m-tolyl-3,4-dihydro-1H-[1,3,5]triazine-2-thione (CAS 1159692-72-4)
- 5-(Difluoromethyl)-4-(trifluoromethyl)pyridin-2(1H)-one (CAS 1805274-85-4)
- N-[4,5-Bis-(2-chloro-phenyl)-thiazol-2-yl]-2-chloro-acetamide (CAS 748792-97-4)
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