1,2,4-Trimethyl-1H-1,2,3-triazole-5(2H)-thione CAS 64808-27-1
| CAS No. | 64808-27-1 |
| Molecular Formula | C5H9N3S |
| Molecular Weight | 143.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,4-Trimethyl-1H-1,2,3-triazole-5(2H)-thione (CAS 64808-27-1), molecular formula C5H9N3S and molecular weight 143.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H9N3S, 1,2,4-Trimethyl-1H-1,2,3-triazole-5(2H)-thione contains a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 143.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 1,2,4-Trimethyl-1H-1,2,3-triazole-5(2H)-thione 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 | C5H9N3S |
| Molecular Weight | 143.21 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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