Description

5-Chloro-1-Phenyl-1H-Pyrazole is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its value lies in its functional pyrazole core, which is essential for constructing complex molecules with targeted biological and material properties. This intermediate is primarily needed by the pharmaceutical, agrochemical, and material science industries for research and development, as well as large-scale production of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for anti-inflammatory and analgesic agents.
• Agrochemical Synthesis: Used in the manufacture of modern pesticides, herbicides, and fungicides, contributing to crop protection solutions.
• Material Science Research: Acts as a precursor for organic ligands and functional monomers in the development of advanced polymers and coordination complexes.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries for screening.
• Fine Chemical Production: Serves as a foundational block for synthesizing a wide range of specialty and fine chemicals with specific functionalities.

Basic Information

Product Name	5-Chloro-1-Phenyl-1H-Pyrazole
CAS No.	1127-84-0
Molecular Formula	C9H7ClN2
Molecular Weight	178.62 g/mol
Synonyms	1-Phenyl-5-chloropyrazole; 5-Chloro-1-phenylpyrazole; 5-Chloro-1-phenyl-1H-pyrazole; 1-Phenyl-5-chloro-1H-pyrazole; 5-Chloro-1-phenyl-δ²-pyrazoline; NSC 406109; 5-Chloro-1-phenylpyrazol; 5-Chlor-1-phenyl-1H-pyrazol
EINECS	Contact for details

Quality Control

Our 5-Chloro-1-Phenyl-1H-Pyrazole is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific impurity limits is provided with each 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 (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.