5-(Difluoromethyl)isoxazole-3-carboxylic acid CAS 1785023-01-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1785023-01-9 |
| Molecular Formula | C5H3F2NO3 |
| Molecular Weight | 163.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Difluoromethyl)isoxazole-3-carboxylic acid (CAS 1785023-01-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H3F2NO3. Molecular weight: 163.08 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H3F2NO3 |
| Molecular Weight | 163.08 g/mol |
| Appearance | Off-white to pale 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, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoromethyl Standards
- 1-(Difluoromethyl)-3-nitro-1h-pyrazole (CAS 1002034-26-5)
- 5-(Difluoromethyl)isoxazole-4-carboxylic acid (CAS 1340252-15-4)
- 2-(Difluoromethyl)oxazole-4-carboxylic acid (CAS 1627894-70-5)
- 4-(difluoromethyl)-1,3-oxazole-5-carboxylic acid (CAS 1849376-53-9)
- 3-(Difluoromethyl)isoxazole-5-carboxylic acid (CAS 1935503-24-4)
- 3-(Difluoromethyl)isoxazole-4-carboxylic acid (CAS 2118317-97-6)
- 1-(difluoromethyl)-4-nitro-1H-pyrazole (CAS 956477-64-8)
- 2-(Difluoromethyl)-5-fluoropyridin-4-ol (CAS 1804703-31-8)
Recommended Standards
- ((1H-1,2,4-Triazol-1-yl)methyl)phosphonic acid (CAS 111911-03-6)
- (1-Methyl-1H-1,2,4-triazol-5-yl)phosphonic acid (CAS 108223-10-5)
- 3,3,4,4,4-Pentafluorobutan-1-amine (CAS 139978-28-2)
- 3-(1-(4-Bromophenyl)ethyl)benzaldehyde (CAS 2484888-85-7)
- 4,4-Difluoroisoquinoline-1,3(2H,4H)-dione (CAS 1443981-83-6)
- Venetoclax Impurity 148 (CAS CATO-C4X-2495148)
- cis-3-(aminomethyl)cyclobutanol hydrochloride (CAS 1400744-20-8)
- 8-Ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 170648-67-6)
- (S,R,S)-AHPC-CO-C1-piperazine HCl (CAS 2417258-49-0)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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