1-(4-Fluoro-phenyl)-4-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester CAS 636568-08-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 636568-08-6 |
| Molecular Formula | C12H11FN2O3 |
| Molecular Weight | 250.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1-(4-Fluoro-phenyl)-4-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester (CAS 636568-08-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H11FN2O3. Molecular weight: 250.23 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H11FN2O3 |
| Molecular Weight | 250.23 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.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 1-(2-Fluoro-phenoxymethyl)-1h-pyrazole-3-carboxylic acid hydrazide (CAS 1006488-07-8)
- [5-(3-Fluoro-phenyl)-[1,2,4]oxadiazol-3-yl]-acetic acid ethyl ester (CAS 1208081-61-1)
- 5-(5-Fluoro-2-methoxyphenyl)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1216269-46-3)
- 5-Fluoro-2-((1-methyl-1H-imidazol-2-yl)methoxy)benzoic acid (CAS 1363405-32-6)
- 1-Benzyl-4-fluoro-5-methoxy-1H-pyrazole-3-carboxylic acid (CAS 1707609-60-6)
- Ethyl 5-(5-fluoro-2-methylphenyl)-1,3,4-oxadiazole-2-carboxylate (CAS 1713576-19-2)
- 3-((4-Fluoro-3-nitrophenyl)amino)cyclohex-2-en-1-one (CAS 696619-64-4)
- 3-[3-(3-fluoro-4-methylphenyl)-1,2,4-oxadiazol-5-yl]propanoic acid (CAS 500025-20-7)
Recommended Standards
- 1-(1,3-Dioxolan-2-yl)propan-2-one (CAS 767-04-4)
- 1-(Naphthalen-2-yloxy)-1H-imidazole-4-sulfonic acid (CAS 4857-47-0)
- 1-((Benzyloxy)methyl)-5-fluoropyrimidine-2,4(1H,3H)-dione (CAS 66910-37-0)
- (R)-tert-Butyl (1-(3-chlorophenyl)-2-hydroxyethyl)carbamate (CAS 926291-64-7)
- 4'-Ethoxyacetophenone (CAS 1676-63-7)
- 8-Fluoro-2,3-dihydroquinolin-4(1H)-one (CAS 38470-28-9)
- 2,4-Pyridinedicarboxylic Acid (CAS 499-80-9)
- 1-tert-butyl 3-methyl (3R)-3-fluoropyrrolidine-1,3-dicarboxylate (CAS 1438852-70-0)
- 4-Amino-5-chloro-2,3-difluorobenzoic acid (CAS 2649788-84-9)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
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