Description

3-(Methylsulfonyl)-1H-Pyrazole is a high-purity, functionalized heterocyclic compound serving as a critical building block in advanced chemical synthesis. Its unique sulfonyl-substituted pyrazole structure makes it a versatile intermediate for developing novel active ingredients. This compound is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries seeking to introduce specific sulfone functionality into target molecules.

Application

• Pharmaceutical Intermediate: A key synthon for the development of new drug candidates, particularly in kinase inhibitor and anti-inflammatory research.
• Agrochemical Synthesis: Used in the production of modern pesticides and herbicides, where the pyrazole core contributes to biological activity.
• Material Science Research: Serves as a precursor for functional polymers and ligands in catalytic systems.
• Chemical Biology Probes: Utilized in the design of molecular probes for studying enzyme mechanisms and protein interactions.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis projects requiring specific sulfone-modified heterocycles.

Basic Information

Product Name	3-(Methylsulfonyl)-1H-Pyrazole
CAS No.	49651-55-0
Molecular Formula	C4H6N2O2S
Molecular Weight	146.17 g/mol
Synonyms	1H-Pyrazole, 3-(methylsulfonyl)-; 3-Methanesulfonyl-1H-pyrazole; 3-Methylsulfonylpyrazole; 3-(Methylsulfonyl)pyrazole; 3-(Methanesulfonyl)-1H-pyrazole; 3-Pyrazolyl methyl sulfone
EINECS	Contact for details

Quality Control

Our 3-(Methylsulfonyl)-1H-Pyrazole is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements of our global B2B clients. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with agreed specifications.

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 incompatible materials such as strong oxidizing agents.

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.