4-(difluoromethyl)-2-phenyl-1,3-oxazole-5-carboxylic acid CAS 1803586-72-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1803586-72-2 |
| Molecular Formula | C11H7F2NO3 |
| Molecular Weight | 239.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(difluoromethyl)-2-phenyl-1,3-oxazole-5-carboxylic acid (CAS 1803586-72-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H7F2NO3. Molecular weight: 239.17 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H7F2NO3 |
| Molecular Weight | 239.17 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, 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.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related difluoromethyl Standards
- 3-Difluoromethyl-4-nitro-5-phenylpyrazole (CAS 1029650-43-8)
- 5-(Difluoromethyl)-1-(pyridin-4-yl)-1h-pyrazole-4-carboxylic acid (CAS 1275366-39-6)
- 5-(difluoromethyl)-1-phenyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1909306-03-1)
- 4-[2-(Difluoromethyl)-1,3-thiazol-5-yl]benzaldehyde (CAS 2059955-81-4)
- 2-{2-[(difluoromethyl)sulfanyl]-4-methyl-1,3-thiazol-5-yl}acetic acid (CAS 1094316-49-0)
- (S)-2-(5-(difluoromethyl)-2,3-dihydrobenzofuran-7-yl)pyrrolidine (CAS 1446999-96-7)
- (R)-2-(5-(difluoromethyl)-2,3-dihydrobenzofuran-7-yl)pyrrolidine (CAS 1447154-82-6)
- 2-(Difluoromethyl)-3-fluoro-5-methoxypyridine-6-carbonyl chloride (CAS 1804951-42-5)
Recommended Standards
- 3-(2,6-Difluorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS 1673-75-2)
- 2-(2-Cyano-3-(difluoromethyl)-5-formylphenyl)acetic acid (CAS 1805633-49-1)
- 3-(2,3-Difluorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS 1494042-42-0)
- 4-Ethyl-7-methyl-5-((3-oxobutan-2-yl)oxy)-2h-chromen-2-one (CAS 307546-52-7)
- 1-(4-Oxocyclohexyl)cyclopropane-1-carboxylic acid (CAS 1158752-66-9)
- 3,3'-[5'-[4-(3-pyridinyl)phenyl][1,1':3',1''-terphenyl]-4,4''-diyl]bis-Pyridine (CAS 921205-02-9)
- Bosutinib Impurity 22 (CAS CATO-C4X-184722)
- 2-(3-(((Tert-butyldimethylsilyl)oxy)methyl)pyrrolidin-1-yl)-6-fluoropyridine (CAS 1228666-47-4)
- (3-Chlorophenyl)(o-tolyl)methanone (CAS 5621-69-2)
- (Tyr?)-C-Peptide (human) (CAS 57327-90-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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