Ethyl 5-chloro-1-(4-fluorophenyl)-1H-pyrazole-3-carboxylate CAS 1269293-49-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1269293-49-3 |
| Molecular Formula | C12H10ClFN2O2 |
| Molecular Weight | 268.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-chloro-1-(4-fluorophenyl)-1H-pyrazole-3-carboxylate (CAS 1269293-49-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H10ClFN2O2. Molecular weight: 268.67 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H10ClFN2O2 |
| Molecular Weight | 268.67 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 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 3-[(5-chloro-2-fluorophenyl)amino]-2-cyanoprop-2-enoate (CAS 1181482-69-8)
- Ethyl 5-chloro-1-(3-fluorophenyl)-1H-pyrazole-4-carboxylate (CAS 1245101-31-8)
- Ethyl 5-chloro-1-(2-fluorophenyl)-1H-pyrazole-4-carboxylate (CAS 1245279-25-7)
- Ethyl 2-Chloro-6-fluoroquinazoline-4-acetate (CAS 1312784-43-2)
- 3-((2-Chloro-6-fluorobenzyl)oxy)-2-methyl-4H-pyran-4-one (CAS 303144-52-7)
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- 5-Chloro-1-[(4-fluorophenyl)methyl]-3-methyl-1h-pyrazole-4-carboxylic acid (CAS 956190-97-9)
- Ethyl 5-chloro-1-(4-fluorophenyl)-1H-pyrazole-4-carboxylate (CAS 288252-75-5)
Recommended Standards
- Ethyl 1-(3-chlorophenyl)-5-fluoro-1H-pyrazole-4-carboxylate (CAS 1269292-55-8)
- Pyrimidine, 2-chloro-4-(3,4-dimethoxyphenyl)-5-fluoro- (CAS 1494526-17-8)
- 1-(((4-Chlorobenzyl)oxy)methyl)-5-fluoropyrimidin-2(1H)-one (CAS 88045-91-4)
- 3-Chloro-2,4-dihydroxy-6-(trifluoromethyl)pyridine (CAS 1214383-67-1)
- 4,7-Dichloro-6-methoxyquinazoline (CAS 55496-51-0)
- 3-Methyl-1-(6-methylpyridazin-3-yl)-1H-thieno[2,3-c]pyrazole-5-carboxylic acid (CAS 1443979-97-2)
- 2-((4-Amino-6-hydroxypyrimidin-2-yl)thio)butanoic acid (CAS 436088-62-9)
- (S)-1-(6-Methylpyridin-2-yl)propan-2-amine (CAS 1335381-57-1)
- 1-[4-(tert-Butyl-diphenyl-silanyloxymethyl)-phenyl]-ethanol (CAS 1123169-56-1)
- Sperm Activating Peptide, Sea Urchin (CAS 140653-27-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com