Description

3-(4-Chlorophenyl)-4,5-Dihydro-1-[4-(Vinylsulphonyl)Phenyl]-1H-Pyrazole is a specialized heterocyclic organic compound featuring a pyrazole core functionalized with chlorophenyl and vinylsulfonylphenyl groups. This unique molecular structure makes it a valuable high-purity intermediate for advanced chemical synthesis, particularly in the development of functional dyes and active pharmaceutical ingredients (APIs). It is essential for research institutions and industrial manufacturers in the fine chemicals, pharmaceutical, and specialty materials sectors seeking reliable, high-quality building blocks.

Application

• Reactive Dye Intermediate: A key precursor in the synthesis of high-performance reactive dyes for textiles, particularly cotton and cellulose fibers, where the vinyl sulfonyl group acts as the reactive anchor.
• Pharmaceutical Intermediate: Serves as a crucial building block in the research and development of novel pharmaceutical compounds, especially those targeting anti-inflammatory or other therapeutic pathways.
• Fine Chemical Synthesis: Used in the preparation of complex organic molecules for agrochemicals, liquid crystals, and other advanced material applications.
• Research & Development: Employed in academic and industrial R&D laboratories for studying heterocyclic chemistry, reaction mechanisms, and structure-activity relationships.
• Photographic Chemicals: Potential use as a functional component in the synthesis of chemicals for specialized photographic and imaging applications.

Basic Information

Product Name	3-(4-Chlorophenyl)-4,5-Dihydro-1-[4-(Vinylsulphonyl)Phenyl]-1H-Pyrazole
CAS No.	13399-90-1
Molecular Formula	C17H15ClN2O2S
Molecular Weight	346.83 g/mol
Synonyms	1H-Pyrazole, 3-(4-chlorophenyl)-4,5-dihydro-1-[4-(ethenylsulfonyl)phenyl]-; 1-[4-(Vinylsulfonyl)phenyl]-3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazole; 3-(p-Chlorophenyl)-1-[p-(vinylsulfonyl)phenyl]-4,5-dihydro-1H-pyrazole; Vinyl Sulfone Pyrazole Derivative; Reactive Dye Intermediate 13399-90-1; 4,5-Dihydro-3-(4-chlorophenyl)-1-[4-(vinylsulfonyl)phenyl]-1H-pyrazole
EINECS	Contact for details

Quality Control

Our production of 3-(4-Chlorophenyl)-4,5-Dihydro-1-[4-(Vinylsulphonyl)Phenyl]-1H-Pyrazole adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent composition. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality systems are designed to support GMP-grade applications and meet the exacting standards of the pharmaceutical and fine chemical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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