Description

4-Chloro-2-Methyl-2H-Pyrazole-3-Carbonitrile is a versatile heterocyclic building block of significant importance in modern organic synthesis. Its core value lies in its functionalized pyrazole ring, which serves as a key intermediate for constructing more complex molecular architectures. This compound is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the pyrazole scaffold.
• Material Science Research: Serves as a monomer or functional component in the development of advanced polymers, ligands for catalysis, and specialty chemicals.
• Chemical Biology & Proteomics: Employed as a building block for creating molecular probes, enzyme inhibitors, and other tools for biochemical research.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis projects and scale-up processes under cGMP or ISO standards for client-specific molecules.

Basic Information

Product Name	4-Chloro-2-Methyl-2H-Pyrazole-3-Carbonitrile
CAS No.	1172024-69-9
Molecular Formula	C5H4ClN3
Molecular Weight	141.56 g/mol
Synonyms	4-Chloro-2-methyl-1H-pyrazole-3-carbonitrile; 4-Chloro-2-methyl-1H-pyrazole-3-carbonitrile; 2-Methyl-4-chloro-2H-pyrazole-3-carbonitrile; 4-Chloro-2-methylpyrazole-3-carbonitrile; 3-Cyano-4-chloro-2-methylpyrazole; 4-Chloro-2-methyl-3-cyanopyrazole; 1172024-69-9; 4-Chloro-2-methyl-2H-pyrazole-3-carbonitrile
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Methyl-2H-Pyrazole-3-Carbonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.