Description

4,5-Dimethyl-2-Thiophenesulfonyl Chloride is a versatile and highly reactive organosulfur building block, primarily used as a key intermediate in the synthesis of complex molecules. Its core value proposition lies in its ability to introduce the sulfonyl chloride functional group into heterocyclic systems, enabling the creation of sulfonamides and other derivatives critical for advanced research and development. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is utilized in the development of new active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing potential drug candidates, particularly in the development of sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a monomer or precursor for creating specialized polymers and organic electronic materials.
• Chemical Derivatization: Employed in analytical chemistry and proteomics for labeling and modifying biomolecules.
• Ligand and Catalyst Development: Used to synthesize complex ligands for metal-organic frameworks (MOFs) and catalytic systems.
• Custom Synthesis & Contract Manufacturing: A key reagent for fine chemical and custom synthesis houses serving the life sciences sector.

Basic Information

Product Name	4,5-Dimethyl-2-Thiophenesulfonyl Chloride
CAS No.	74616-28-7
Molecular Formula	C6H7ClO2S2
Molecular Weight	210.70 g/mol
Synonyms	2-Thiophenesulfonyl chloride, 4,5-dimethyl-; 4,5-Dimethylthiophene-2-sulfonyl chloride; 4,5-Dimethyl-2-thienylsulfonyl chloride; 4,5-Dimethylthiophene-2-sulphonyl chloride; 2,3-Dimethyl-5-chlorosulfonylthiophene; 5-(Chlorosulfonyl)-3,4-dimethylthiophene
EINECS	Contact for details

Quality Control

Our 4,5-Dimethyl-2-Thiophenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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