Ethyl 1-(4-fluorophenyl)-5-hydroxy-4-methyl-1H-pyrazole-3-carboxylate CAS 274253-14-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 274253-14-4 |
| Molecular Formula | C13H13FN2O3 |
| Molecular Weight | 264.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 1-(4-fluorophenyl)-5-hydroxy-4-methyl-1H-pyrazole-3-carboxylate (CAS 274253-14-4) pharmaceutical standards reference standard. Molecular formula: C13H13FN2O3. Molecular weight: 264.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C13H13FN2O3 |
| Molecular Weight | 264.25 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, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 1-(4-Fluorophenyl)-4-propoxy-1h-pyrazole-3-carboxylic acid (CAS 1171790-42-3)
- 5-[(2-fluorophenyl)methoxy]-1,3-dimethyl-1H-pyrazole-4-carboxylic acid (CAS 1467884-48-5)
- 2-(4-Fluorophenyl)furo[2,3-b]quinoxaline (CAS 922145-30-0)
- 3-(1-(4-Fluorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)propanoic acid (CAS 885530-21-2)
- 3-[2-(4-fluorophenyl)-5-methyl-3-oxo-2,3-dihydro-1h-pyrazol-4-yl]propanoic acid (CAS 877140-08-4)
- Methyl 2-(2-(4-fluorophenyl)-5-methyl-3-oxo-2,3-dihydro-1H-pyrazol-4-yl)acetate (CAS 477710-56-8)
- Methyl 4-(3-fluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300799-40-0)
- 3-(2-Fluorophenyl)-[1,2,4]triazolo[4,3-c]quinazoline (CAS 339025-73-9)
Recommended Standards
- 7-Fluoro-5-((tetrahydro-2H-pyran-4-yl)oxy)quinazolin-4-ol (CAS 379228-59-8)
- Ethyl 2-[(5-fluoroquinazolin-4-yl)oxy]propanoate (CAS 329698-76-2)
- 5-Fluoro-1-(morpholinomethyl)indoline-2,3-dione (CAS 75564-85-1)
- 1-Methyl-2-(piperidin-4-yl)-1H-indole (CAS 1260886-25-6)
- 2-Acetamido-3,4,6-tri-o-acetyl-2-deoxy-beta-d-glucopyranosylisothiocyanate (CAS 20590-45-8)
- Ketorolac Impurity 22 (CAS CATO-C4X-166922)
- Morpholine trifluoromethanesulfonate (CAS 77534-70-4)
- 1-(2-Aminophenyl)butan-1-one (CAS 2034-40-4)
- rel-(3R,6R)-4-(tert-Butoxycarbonyl)-6-methylmorpholine-3-carboxylic acid (CAS 2248340-25-0)
- Biotinyl-CBP501 Affinity Peptide trifluoroacetate salt (CAS 2022956-39-2)
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