Description

4-Chloro-1-Methyl-3-(2-Methylpropyl)-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester is a high-purity pyrazole derivative ester, a crucial advanced intermediate in modern synthetic chemistry. Its value lies in its versatile functional groups, which enable precise molecular construction for complex target molecules. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for developing new active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Serves as a precursor in the development of next-generation pesticides and herbicides.
• Chemical Research & Development: Used in academic and industrial R&D labs for exploring new heterocyclic compounds and reaction pathways.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring specific pyrazole-based architectures.
• Material Science: Potential intermediate for creating functional organic materials with tailored properties.

Basic Information

Product Name	4-Chloro-1-Methyl-3-(2-Methylpropyl)-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester
CAS No.	128537-44-0
Molecular Formula	C11H17ClN2O2
Molecular Weight	244.72 g/mol
Synonyms	Ethyl 4-Chloro-1-methyl-3-isobutyl-1H-pyrazole-5-carboxylate; 4-Chloro-1-methyl-3-isobutylpyrazole-5-carboxylic acid ethyl ester; 1H-Pyrazole-5-carboxylic acid, 4-chloro-1-methyl-3-(2-methylpropyl)-, ethyl ester; 128537-44-0; 4-Chloro-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester; Ethyl 4-chloro-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylate
EINECS	Contact for details

Quality Control

Our 4-Chloro-1-Methyl-3-(2-Methylpropyl)-1H-Pyrazole-5-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. The container must be kept tightly closed to prevent moisture absorption.

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	≤ 10 ppm

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