Description

5-Amino-1-(2-Chlorophenyl)-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester is a high-purity pyrazole derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of active pharmaceutical ingredients (APIs) and agrochemicals, where its specific substitution pattern enables targeted molecular construction. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the pyrazole core contributes to biological activity.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry, enabling structure-activity relationship (SAR) studies and lead optimization.
• Specialty Fine Chemicals: Employed in the manufacture of complex, high-value molecules for various industrial and research applications.
• Material Science Precursor: Potential use in the development of organic electronic materials or functional polymers.

Basic Information

Product Name	5-Amino-1-(2-Chlorophenyl)-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester
CAS No.	14678-86-5
Molecular Formula	C12H12ClN3O2
Molecular Weight	265.70 g/mol
Synonyms	Ethyl 5-Amino-1-(2-chlorophenyl)-1H-pyrazole-4-carboxylate; 1-(2-Chlorophenyl)-5-amino-1H-pyrazole-4-carboxylic Acid Ethyl Ester; 5-Amino-1-(2-chlorophenyl)pyrazole-4-carboxylic Acid Ethyl Ester; 2-Chlorophenyl-5-aminopyrazole-4-carboxylic Acid Ethyl Ester; 14678-86-5; AKOS BBS-00004375; CS-W009767; SCHEMBL154504; ZINC000004119507
EINECS	Contact for details

Quality Control

Our 5-Amino-1-(2-Chlorophenyl)-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and agrochemical intermediate applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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