| CAS No. | 4922-99-0 |
| Molecular Formula | C6H6N4S |
| Molecular Weight | 166.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 166.20 g/mol gives 5-Amino-3-(2-thienyl)-1H-1,2,4-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Amino-3-(2-thienyl)-1H-1,2,4-triazole (CAS 4922-99-0) is a high-purity analytical reference standard with the molecular formula C6H6N4S and a molecular weight of 166.20 g/mol.
5-Amino-3-(2-thienyl)-1H-1,2,4-triazole (C6H6N4S) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C6H6N4S |
| Molecular Weight | 166.20 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |