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Ethyl 3-(4-Fluorophenyl)-1-Methyl-1H-Pyrazole-5-Carboxylate CAS NO 943863-69-2
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CAS No.:943863-69-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Ethyl 3-(4-Fluorophenyl)-1-Methyl-1H-Pyrazole-5-Carboxylate is a high-purity fluorinated pyrazole derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its precise molecular structure, which enables the development of novel active ingredients with targeted properties. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for use as a key intermediate in the synthesis of new chemical entities and crop protection agents.
Application
- Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and metabolic diseases.
- Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the fluorophenyl and pyrazole motifs contribute to biological activity and environmental stability.
- Material Science Research: Employed as a precursor for developing specialty polymers, liquid crystals, or organic electronic materials due to its rigid, aromatic structure.
- Chemical Biology & Probe Development: Serves as a scaffold for creating molecular probes and tool compounds used in biochemical assay development and target validation studies.
- Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for use in custom synthesis projects and scale-up campaigns.
Basic Information
| Product Name | Ethyl 3-(4-Fluorophenyl)-1-Methyl-1H-Pyrazole-5-Carboxylate |
| CAS No. | 943863-69-2 |
| Molecular Formula | C13H13FN2O2 |
| Molecular Weight | 248.25 g/mol |
| Synonyms | Ethyl 1-methyl-3-(4-fluorophenyl)-1H-pyrazole-5-carboxylate; 1-Methyl-3-(4-fluorophenyl)-1H-pyrazole-5-carboxylic acid ethyl ester; 5-Carbethoxy-1-methyl-3-(p-fluorophenyl)pyrazole; 3-(4-Fluorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid ethyl ester; 1H-Pyrazole-5-carboxylic acid, 3-(4-fluorophenyl)-1-methyl-, ethyl ester; Ethyl 3-(p-fluorophenyl)-1-methyl-1H-pyrazole-5-carboxylate |
| EINECS | Contact for details |
Quality Control
Our Ethyl 3-(4-Fluorophenyl)-1-Methyl-1H-Pyrazole-5-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical R&D and scale-up processes.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Retention time matches reference standard |
| Purity (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% |
| Single Maximum Impurity | ≤ 0.5% |
| Residual Solvents (GC) | Complies with ICH Q3C guidelines |
| Water Content (KF) | ≤ 0.5% w/w |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
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Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






