Ethyl 3-[1-(4-fluorophenyl)-1H-pyrazol-4-yl]-1,2,4-oxadiazole-5-carboxylate CAS 1242885-75-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1242885-75-1 |
| Molecular Formula | C14H11FN4O3 |
| Molecular Weight | 302.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 3-[1-(4-fluorophenyl)-1H-pyrazol-4-yl]-1,2,4-oxadiazole-5-carboxylate (CAS 1242885-75-1) pharmaceutical standards reference standard. Molecular formula: C14H11FN4O3. Molecular weight: 302.26 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C14H11FN4O3 |
| Molecular Weight | 302.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- Ethyl 1-(2-fluorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 618070-61-4)
- 1-(2-Fluorophenyl)-5-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1443979-11-0)
- 1-(4-Fluorophenyl)-5-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1443979-15-4)
- 1-(2-Fluorophenyl)-4-(3-nitropyridin-2-yl)piperazine (CAS 400088-84-8)
- 1-(2-Fluorophenyl)-4-(5-nitro-2-pyridinyl)piperazine (CAS 400088-93-9)
- 1-(4-Fluorophenyl)-4-(3-nitropyridin-2-yl)piperazine (CAS 400088-90-6)
- 1-(4-Fluorophenyl)-4-(5-nitropyridin-2-yl)piperazine (CAS 400088-82-6)
- 2-(4-Fluorophenyl)-4-(3-methoxyphenyl)-4-oxobutanoic acid (CAS 344280-55-3)
Recommended Standards
- Olaparib Impurity 55 (CAS 2409514-28-7)
- Ethyl 5-[3-fluoro-2-(1h-imidazol-1-yl)phenyl]-1,2,4-oxadiazole-3-carboxylate (CAS 1333915-48-2)
- Olaparib Impurity 152 (CAS CATO-C4X-1135152)
- 3-Bromo-2-fluoro-5-(trifluoromethyl)benzonitrile (CAS 133013-32-8)
- 4-Iodo-N-(2-(4-(2-methoxyphenyl)piperazin-1-yl)ethyl)-N-(pyridin-2-yl)benzamide (CAS 155204-23-2)
- 4-Hydroxy Trimethoprim-13C3 (CAS 1391053-67-0)
- 4,4'-((1E,1'E)-Hydrazine-1,2-diylidenebis(methanylylidene))bis(N,N-dimethylaniline) (CAS 108026-63-7)
- 3-Amino-N-cyclopropyl-4-(dimethylamino)benzamide (CAS 1435804-59-3)
- 6'-Amino-3'-ethyl-2-oxo-1-propyl-2'H-spiro[indoline-3,4'-pyrano[2,3-c]pyrazole]-5'-carbonitrile (CAS 939893-64-8)
- Tirzepatide Impurity 20 (CAS CATO-C4X-324020)
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