4-(2,6-Difluorophenyl)-3-methyl-1-(2-phenoxyethyl)-4,5-dihydro-1H-1,2,4-triazol-5-one CAS 861206-34-0
| CAS No. | 861206-34-0 |
| Molecular Formula | C17H15F2N3O2 |
| Molecular Weight | 331.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 331.32 g/mol gives 4-(2,6-Difluorophenyl)-3-methyl-1-(2-phenoxyethyl)-4,5-dihydro-1H-1,2,4-triazol-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(2,6-Difluorophenyl)-3-methyl-1-(2-phenoxyethyl)-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 861206-34-0) is a high-purity analytical reference standard with the molecular formula C17H15F2N3O2 and a molecular weight of 331.32 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 4-(2,6-Difluorophenyl)-3-methyl-1-(2-phenoxyethyl)-4,5-dihydro-1H-1,2,4-triazol-5-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 331.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 4-(2,6-Difluorophenyl)-3-methyl-1-(2-phenoxyethyl)-4,5-dihydro-1H-1,2,4-triazol-5-one 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 | C17H15F2N3O2 |
| Molecular Weight | 331.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Difluorophenyl Standards
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- N-(2,4-difluorophenyl)-2-(4-phenylpiperazin-1-yl)acetamide (CAS 477320-16-4)
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Recommended Standards
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- 3-Methoxy-4-[(2-methoxy-phenylcarbamoyl)-methoxy]-benzoic acid (CAS 522624-52-8)
- 4-Amino-1-hydroxy-2-phenoxyanthracene-9,10-dione (CAS 93982-34-4)
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- 2-(Hydroxymethyl)quinolin-4-ol (CAS 168141-98-8)
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- 3-(1H-Pyrrol-1-yl)isoxazole (CAS 383142-47-0)
- Propynyl-PEG1-Ac (CAS 944561-45-9)
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- Hepcidin/LEAP-1 (Human); Liver-Expressed Antimicrobial Peptide (CAS 342790-21-0)
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