4-Amino-5-(2-fluorophenyl)-4h-1,2,4-triazole-3-thiol CAS 565174-22-3
| CAS No. | 565174-22-3 |
| Molecular Formula | C8H7FN4S |
| Molecular Weight | 210.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Amino-5-(2-fluorophenyl)-4h-1,2,4-triazole-3-thiol (CAS 565174-22-3) is a high-purity analytical reference standard with the molecular formula C8H7FN4S and a molecular weight of 210.23 g/mol.
Based on its molecular formula C8H7FN4S, 4-Amino-5-(2-fluorophenyl)-4h-1,2,4-triazole-3-thiol contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 210.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H7FN4S |
| Molecular Weight | 210.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Acetyl-2-(1H-pyrrol-1-yl)benzonitrile (CAS 439097-49-1)
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- 2-Amino-5-bromo-N-cyclohexylbenzamide (CAS 1263376-05-1)
- Methyl 2,3-dihydro-1H-indene-5-carboxylate (CAS 86031-43-8)
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- MEthyl 2,3,6-tri-o-benzoyl-alpha-d-glucopyranoside (CAS 57784-06-2)
- 1-Chloro-6-methyl-5-nitroisoquinoline (CAS 943606-84-6)
- 2-(5-Methyl-1H-imidazol-4-yl)-1H-benzo[d]imidazole (CAS 157520-05-3)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
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