Description

4-Chloro-1-Phenyl-1H-Pyrazole is a versatile heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of pharmaceuticals and agrochemicals, where its pyrazole core is a privileged scaffold. Industries that need it include pharmaceutical R&D for creating active pharmaceutical ingredients (APIs) and agrochemical manufacturers developing novel crop protection agents.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of various drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammation.
• Agrochemical Synthesis: Used in the research and production of modern pesticides, herbicides, and fungicides, leveraging its bioactive pyrazole structure.
• Material Science Research: Acts as a building block for creating specialized polymers, ligands, and organic electronic materials.
• Chemical Research & Development: Employed in academic and industrial labs for method development and exploring novel heterocyclic chemistry.
• Ligand Synthesis for Catalysis: Utilized to create complex ligands for transition metal catalysts used in fine chemical manufacturing.

Basic Information

Product Name	4-Chloro-1-Phenyl-1H-Pyrazole
CAS No.	6831-92-1
Molecular Formula	C9H7ClN2
Molecular Weight	178.62 g/mol
Synonyms	1-Phenyl-4-chloropyrazole; 4-Chloro-1-phenylpyrazole; 4-Chloro-1H-pyrazole, 1-phenyl-; 1-Phenyl-4-chloro-1H-pyrazole; 4-Chloro-1-phenyl-1H-pyrazole; Pyrazole, 4-chloro-1-phenyl-; 1-Phenyl-4-chloro-pyrazole; 4-Chlor-1-phenyl-1H-pyrazol
EINECS	Contact for details

Quality Control

Our 4-Chloro-1-Phenyl-1H-Pyrazole 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 protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame.

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%

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