3-(2-Fluoro-4-hydroxyphenyl)-5-(trifluoromethyl)-4-Isoxazolecarboxylic Acid Methyl Ester CAS 219939-04-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 219939-04-5 |
| Molecular Formula | C12H7F4NO4 |
| Molecular Weight | 305.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-(2-Fluoro-4-hydroxyphenyl)-5-(trifluoromethyl)-4-Isoxazolecarboxylic Acid Methyl Ester (CAS 219939-04-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H7F4NO4. Molecular weight: 305.18 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H7F4NO4 |
| Molecular Weight | 305.18 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluoro Standards
- 1-(4-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)pyrrolidine (CAS 1256359-05-3)
- 1-(2-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)pyrrolidine (CAS 1256360-38-9)
- 1-(4-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)pyrrolidine (CAS 1486485-42-0)
- 4-Fluoro-2-[(1-pyrrolidyl)methyl]phenylboronic Acid Pinacol Ester (CAS 1667753-41-4)
- 1-(2-Fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)pyrrolidine (CAS 2096329-82-5)
- 1-(2-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)pyrrolidine (CAS 2377607-32-2)
- 4-Fluoro-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine (CAS 2304634-25-9)
- 5-Fluoro-3-piperidinophenylboronic acid pinacol ester (CAS 2121514-28-9)
Recommended Standards
- 3-((Dimethylamino)methyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid (CAS 2096330-03-7)
- 3,5-Dichloro-N-(((3S,4R)-3-fluoropiperidin-4-yl)methyl)benzamide (CAS 918333-96-7)
- 3-((2-(2,6-Dichlorophenoxy)ethyl)thio)-1H-1,2,4-triazol-5-amine (CAS 854135-78-7)
- 1-(2-((4-Fluorophenyl)amino)-4-methylthiazol-5-yl)ethan-1-one (CAS 952183-69-6)
- ethyl 4-oxoquinolizine-2-carboxylate (CAS 74531-35-4)
- 3-Fluoro-4-methyl-5-(trifluoromethyl)benzenesulfonamide (CAS 2149597-25-9)
- 5-Methyl-1H-Benzotriazole (CAS 136-85-6)
- Agomelatine Impurity 26 (CAS 945853-23-6)
- 4-(Hydroxymethyl)-1H-pyrazole-3-carboxylic acid (CAS 504417-63-4)
- Neuropeptide S (rat) (CAS 412938-75-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com