Description

Ethyl-3-(2-Chlorophenyl)-Pyrazole-4-Carboxylate is a high-purity, versatile pyrazole derivative serving as a critical synthetic intermediate in advanced organic chemistry. This compound is valued for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients and agrochemicals. It is essential for research and manufacturing chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable building blocks for heterocyclic synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its heterocyclic core for biological activity.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and lead optimization.
• Specialty Fine Chemicals: Intermediate for producing complex dyes, pigments, and functional materials requiring specific pyrazole motifs.
• Academic Research: Utilized in university and institutional labs for methodological development in heterocyclic and organometallic chemistry.

Basic Information

Product Name	Ethyl-3-(2-Chlorophenyl)-Pyrazole-4-Carboxylate
CAS No.	149740-12-5
Molecular Formula	C₁₂H₁₁ClN₂O₂
Molecular Weight	250.68 g/mol
Synonyms	Ethyl 3-(2-Chlorophenyl)-1H-pyrazole-4-carboxylate; Ethyl 3-(o-Chlorophenyl)-1H-pyrazole-4-carboxylate; 3-(2-Chlorophenyl)-1H-pyrazole-4-carboxylic Acid Ethyl Ester; 1H-Pyrazole-4-carboxylic acid, 3-(2-chlorophenyl)-, ethyl ester; Ethyl 3-(2-Chlorophenyl)pyrazole-4-carboxylate; 149740-12-5; Ethyl 3-(2-Chlorophenyl)-4-pyrazolecarboxylate
EINECS	Contact for details

Quality Control

Our Ethyl-3-(2-Chlorophenyl)-Pyrazole-4-Carboxylate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring GMP-grade intermediates and research-grade materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.