5-(3,5-Difluorophenyl)isoxazole-3-carboxylic Acid CAS 885958-97-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 885958-97-4 |
| Molecular Formula | C10H5F2NO3 |
| Molecular Weight | 225.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3,5-Difluorophenyl)isoxazole-3-carboxylic Acid (CAS 885958-97-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H5F2NO3. Molecular weight: 225.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H5F2NO3 |
| Molecular Weight | 225.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluorophenyl Standards
- 5-(3,4-Difluorophenyl)isoxazole-3-carboxylic Acid (CAS 1017513-51-7)
- 1-(3,5-Difluorophenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1038261-56-1)
- 1-(3,4-Difluorophenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1038261-86-7)
- 5-(2,4-Difluorophenyl)isoxazole-3-carboxylic Acid (CAS 1083224-23-0)
- 3-(2,3-Difluorophenyl)isoxazole-5-carboxylic acid (CAS 1126636-77-8)
- 3-(2,6-Difluorophenyl)-1,2-oxazole-5-carboxylic acid (CAS 1152531-95-7)
- 1-(3,5-Difluorophenyl)-1h-1,2,3-triazole-5-carboxylic acid (CAS 1153490-77-7)
- 5-(2,6-Difluorophenyl)isoxazole-3-carboxylic Acid (CAS 1188054-32-1)
Recommended Standards
- 5-(3,5-Difluorophenyl)-1,3-oxazole-4-carboxylic acid (CAS 887267-63-2)
- 5-(Methoxycarbonyl)-2-nitrobenzoic Acid (CAS 76143-33-4)
- 5-(2,5-Difluorophenyl)isoxazole-3-carboxylic Acid (CAS 953735-19-8)
- N-(3-(Cyclohexyloxy)-4-hydroxyphenyl)methanesulfonamide (CAS 1243459-02-0)
- 5-(aminomethyl)-1,2-oxazole-3-carboxylic acid hydrochloride (CAS 1235441-71-0)
- 3-[4-(Ethoxycarbonyl)-5-methyl-3-pyrrolyl]propanoic Acid (CAS 38664-16-3)
- tert-Butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate (CAS 1160246-72-9)
- 5-Bromo-2-chloro-4-methylbenzoic acid (CAS 500579-62-4)
- 5-(Dibromomethyl)-2-phenylbenzo[d]oxazole (CAS 1706445-58-0)
- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
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