Description

3,5-Dimethyl-1-Phenyl-1H-Pyrazole-4-Sulfonyl Chloride is a high-purity sulfonyl chloride derivative, a crucial building block in advanced organic synthesis. Its primary value lies in its reactivity as a sulfonylation reagent, enabling the efficient introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and fine chemicals. The CAS number for this product is 59340-26-0.

Application

This versatile sulfonyl chloride intermediate is employed in a wide range of synthetic applications, including:

• Pharmaceutical Intermediates: Key building block for the synthesis of novel drug candidates, especially in the development of sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in creating advanced pesticides, herbicides, and fungicides where the sulfonyl moiety imparts specific biological activity.
• Dyestuff and Pigment Production: Serves as a precursor for synthesizing specialized dyes and colorants.
• Polymer Chemistry: Acts as a modifying agent or cross-linking monomer in the production of specialty polymers and resins.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in exploring new sulfonylation reactions and creating compound libraries.
• Ligand and Catalyst Design: Used to functionalize ligands and complex molecules in coordination chemistry and catalysis.

Basic Information

Item	Detail
Product Name	3,5-Dimethyl-1-Phenyl-1H-Pyrazole-4-Sulfonyl Chloride
CAS No.	59340-26-0
Molecular Formula	C11H11ClN2O2S
Molecular Weight	270.73 g/mol
Synonyms	1H-Pyrazole-4-sulfonyl chloride, 3,5-dimethyl-1-phenyl-; 3,5-Dimethyl-1-phenylpyrazole-4-sulfonyl chloride; 4-Pyrazolesulfonyl chloride, 3,5-dimethyl-1-phenyl-; 1-Phenyl-3,5-dimethyl-4-pyrazolesulfonyl chloride; 3,5-Dimethyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride; 4-Chlorosulfonyl-3,5-dimethyl-1-phenylpyrazole
EINECS	Contact for details

Quality Control

Our 3,5-Dimethyl-1-Phenyl-1H-Pyrazole-4-Sulfonyl Chloride is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

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