3-(4-Acetylphenoxy)-5-(trifluoromethyl)pyridine-2-carboxamide CAS 338959-94-7
| CAS No. | 338959-94-7 |
| Molecular Formula | C15H11F3N2O3 |
| Molecular Weight | 324.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Acetylphenoxy)-5-(trifluoromethyl)pyridine-2-carboxamide (CAS 338959-94-7) is a high-purity analytical reference standard with the molecular formula C15H11F3N2O3 and a molecular weight of 324.25 g/mol.
3-(4-Acetylphenoxy)-5-(trifluoromethyl)pyridine-2-carboxamide (C15H11F3N2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 | C15H11F3N2O3 |
| Molecular Weight | 324.25 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Acetylphenoxy Standards
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Recommended Standards
- 2-Fluoro-3-methoxynaphthalen-1-yl trifluoromethanesulfonate (CAS 2158300-65-1)
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- 1-(3-Nitrophenyl)-3-((2,3,4-trifluorophenyl)amino)propan-1-one (CAS 868255-84-9)
- 5-(4-Fluorophenyl)-1-methyl-1H-pyrazol-3-yl trifluoromethanesulfonate (CAS 623577-34-4)
- 3-Hydroxydocosanoic acid (CAS 89946-08-7)
- 1-Methyl-5-{[(4-methylphenyl)sulfanyl]methyl}-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole (CAS 338400-54-7)
- 2-Hydroxy-2-(6-methylpyridin-3-yl)acetic acid (CAS 1466312-82-2)
- 5,7-Dimethoxychroman-4-one (CAS 54107-66-3)
- 2-Cyclopropoxy-4-fluoropyridine (CAS 1394978-07-4)
- (S)-1-((tert-butyldiphenylsilyl)oxy)-2-phenylbut-3-en-2-amine (CAS 1821679-65-5)
- (2R,5R)-tert-Butyl 2-(hydroxymethyl)-5-methylmorpholine-4-carboxylate (CAS 1621165-22-7)
- [1-(3,4-dichlorophenyl)ethyl](propyl)amine hydrochloride (CAS 1171069-08-1)
- 2-(1-Cyclopentylpiperidin-4-yl)ethanamine (CAS 132740-61-5)
- Neuropeptide FF (CAS 99566-27-5)
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