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1-[2,6-Dichloro-4-(Fluoromethyl)Phenyl]-3-Methyl-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester CAS NO 259243-71-5
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CAS No.:259243-71-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
1-[2,6-Dichloro-4-(Fluoromethyl)Phenyl]-3-Methyl-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester is a high-purity, advanced pharmaceutical intermediate critical for the synthesis of modern active pharmaceutical ingredients (APIs). This compound is valued for its precise chemical structure, which serves as a key building block in the development of novel therapeutic agents. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical industries for process development and commercial-scale production.
Application
- Pharmaceutical Intermediate: A key synthetic precursor in the manufacture of active pharmaceutical ingredients (APIs), particularly for novel drug candidates.
- Agrochemical Research: Used in the research and development of new-generation pesticides and herbicides, leveraging its pyrazole core structure.
- Chemical Synthesis: Serves as a versatile building block for constructing complex organic molecules in medicinal chemistry.
- Process Development: Employed in process chemistry for route scouting, optimization, and scale-up studies in pilot plants.
- Contract Manufacturing (CMO): Supplied to contract manufacturing organizations for the production of client-specific target molecules.
- Academic & Industrial R&D: Utilized in research laboratories for studying structure-activity relationships (SAR) and developing new chemical entities.
Basic Information
| Item | Details |
|---|---|
| Product Name | 1-[2,6-Dichloro-4-(Fluoromethyl)Phenyl]-3-Methyl-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester |
| CAS No. | 259243-71-5 |
| Molecular Formula | C14H13Cl2FN2O2 |
| Molecular Weight | 331.17 g/mol |
| Synonyms | Ethyl 1-[2,6-dichloro-4-(fluoromethyl)phenyl]-3-methyl-1H-pyrazole-5-carboxylate; 1-[2,6-Dichloro-4-(fluoromethyl)phenyl]-3-methyl-1H-pyrazole-5-carboxylic acid ethyl ester; 259243-71-5; Ethyl 3-methyl-1-[2,6-dichloro-4-(fluoromethyl)phenyl]pyrazole-5-carboxylate; 1H-Pyrazole-5-carboxylic acid, 1-[2,6-dichloro-4-(fluoromethyl)phenyl]-3-methyl-, ethyl ester |
| EINECS | Contact for details |
Quality Control
Our production of 1-[2,6-Dichloro-4-(Fluoromethyl)Phenyl]-3-Methyl-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and we support audits and regulatory documentation for cGMP compliance.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The container must be kept tightly sealed to protect from moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to reference spectrum |
| Identification (HPLC) | Retention time matches reference standard |
| Assay (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% Any single impurity ≤ 0.5% |
| Residual Solvents (GC) | Complies with ICH Q3C guidelines |
| Loss on Drying | ≤ 0.5% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
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.





