5-Amino-3-(4-fluorophenyl)-1H-1,2,4-triazole CAS 168893-35-4
| CAS No. | 168893-35-4 |
| Molecular Formula | C8H7FN4 |
| Molecular Weight | 178.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 178.17 g/mol gives 5-Amino-3-(4-fluorophenyl)-1H-1,2,4-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Amino-3-(4-fluorophenyl)-1H-1,2,4-triazole (CAS 168893-35-4) is a high-purity analytical reference standard with the molecular formula C8H7FN4 and a molecular weight of 178.17 g/mol.
5-Amino-3-(4-fluorophenyl)-1H-1,2,4-triazole (C8H7FN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. Halogen substitution raises its density and boiling point; 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.
As a certified reference material (CRM), 5-Amino-3-(4-fluorophenyl)-1H-1,2,4-triazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H7FN4 |
| Molecular Weight | 178.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 2005 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Amino Standards
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- 7-Amino-5-fluoroquinolin-8-ol (CAS 18472-07-6)
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Recommended Standards
- 2-(4-Fluorophenyl)-2h-1,2,3-triazol-4-amine (CAS 1492525-73-1)
- 3-Fluoro-4-(4H-1,2,4-triazol-3-yl)aniline (CAS 1694451-72-3)
- 4-Fluoro-2-(1H-1,2,4-triazol-5-yl)aniline (CAS 147004-95-3)
- 3-Fluoro-4-(1h-1,2,4-triazol-1-yl)aniline (CAS 181997-13-7)
- N-(2-hydrazinyl-2-oxoethyl)-3,4,5-trimethoxybenzamide (CAS 63203-45-2)
- 2-((4-Hydroxyphenyl)thio)-N-(prop-2-yn-1-yl)propanamide (CAS 1179954-17-6)
- 2-Fluoro-7-methylquinoxaline (CAS 226698-27-7)
- (1R,3S)-3-methylcyclohexan-1-ol (CAS 24965-91-1)
- tert-Butyl chroman-3-ylcarbamate (CAS 1360438-07-8)
- (E)-3-(Dimethylamino)-1-(2-nitrophenyl)prop-2-en-1-one (CAS 153813-81-1)
- 5-Chloro-1-[(2,6-dichlorophenyl)methyl]-3-methyl-1h-pyrazole-4-carboxylic acid (CAS 926257-56-9)
- ethyl rel-(1R,5S,6r)-3-oxobicyclo[3.1.0]hexane-6-carboxylate (CAS 1312536-44-9)
- Lifitegrast Impurity 163 (CAS CATO-C4X-2409163)
- Semaglutide impurity 256 (CAS CATO-C4X-2226256)
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