5-Methyl-4-((3-(trifluoromethyl)phenyl)carbamoyl)isoxazole-3-carboxylic acid CAS 339012-83-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 339012-83-8 |
| Molecular Formula | C13H9F3N2O4 |
| Molecular Weight | 314.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Methyl-4-((3-(trifluoromethyl)phenyl)carbamoyl)isoxazole-3-carboxylic acid (CAS 339012-83-8) pharmaceutical standards reference standard. Molecular formula: C13H9F3N2O4. Molecular weight: 314.22 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H9F3N2O4 |
| Molecular Weight | 314.22 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 5-Methyl-4-((4-(trifluoromethyl)phenyl)carbamoyl)isoxazole-3-carboxylic acid (CAS 134888-93-0)
- 1,2-Bis(4-(trifluoromethyl)phenyl)ethyne (CAS 119757-51-6)
- 4-(3,5-Bis(trifluoromethyl)phenyl)-4-oxobutanoic acid (CAS 898788-04-0)
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- 2-{[3-(Trifluoromethyl)benzyl]oxy}benzoyl chloride (CAS 1160260-62-7)
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Recommended Standards
- 4-Bromo-1-[2-(Boc-amino)-2-propyl]benzene (CAS 214973-83-8)
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- 2-Methyl-4-[(4-nitroanilino)methylene]-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 320425-08-9)
- 3,4-dimethylpyrrolidin-2-one (CAS 39585-10-9)
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- (S)-6-(Boc-amino)-2-hydroxyhexanoic Acid (CAS 111223-31-5)
- Letermovir Impurity 93 (CAS CATO-C4X-291593)
- 1-(2-Aminoethyl)piperidine-4-carboxamide (CAS 443897-95-8)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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