2-((1H-1,2,4-Triazol-3-yl)thio)nicotinic acid CAS 126209-06-1
| CAS No. | 126209-06-1 |
| Molecular Formula | C8H6N4O2S |
| Molecular Weight | 222.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((1H-1,2,4-Triazol-3-yl)thio)nicotinic acid (CAS 126209-06-1) is a high-purity analytical reference standard with the molecular formula C8H6N4O2S and a molecular weight of 222.22 g/mol.
Based on its molecular formula C8H6N4O2S, 2-((1H-1,2,4-Triazol-3-yl)thio)nicotinic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 222.22 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.
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.
Physical & Chemical Properties
| Molecular Formula | C8H6N4O2S |
| Molecular Weight | 222.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related H Standards
- 2-((1H-1,2,4-triazol-5-yl)thio)-3-nitropyridine (CAS 73768-80-6)
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Recommended Standards
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