5-Methyl-3-(methylthio)-1,4-diphenyl-4H-1,2,4-triazol-1-ium iodide CAS 38054-60-3
| CAS No. | 38054-60-3 |
| Molecular Formula | C16H16N3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-3-(methylthio)-1,4-diphenyl-4H-1,2,4-triazol-1-ium iodide (CAS 38054-60-3), molecular formula C16H16N3SI and molecular weight 409.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H16N3SI, 5-Methyl-3-(methylthio)-1,4-diphenyl-4H-1,2,4-triazol-1-ium iodide contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 409.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 5-Methyl-3-(methylthio)-1,4-diphenyl-4H-1,2,4-triazol-1-ium iodide 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.
Physical & Chemical Properties
| Molecular Formula | C16H16N3S I |
| Molecular Weight | 409.28 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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