Description

2,5-Dimethyl-3-Thiophenesulfonyl Chloride is a high-purity, reactive sulfonyl chloride derivative, a critical building block in advanced organic synthesis. Its primary value lies in its role as a versatile sulfonylation reagent, enabling the introduction of the sulfonyl functional group into target molecules with high efficiency. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing active pharmaceutical ingredients (APIs), crop protection agents, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that require the sulfonyl moiety for bioactivity.
• Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers and functionalized surfaces.
• Chemical Research: A valuable reagent in medicinal chemistry and process development for creating compound libraries and optimizing synthetic routes.
• Dye and Pigment Manufacturing: Employed in the synthesis of sulfur-containing dyes and advanced colorants.

Basic Information

Product Name	2,5-Dimethyl-3-Thiophenesulfonyl Chloride
CAS No.	97272-04-3
Molecular Formula	C6H7ClO2S2
Molecular Weight	210.70 g/mol
Synonyms	3-Thiophenesulfonyl chloride, 2,5-dimethyl-; 2,5-Dimethylthiophene-3-sulfonyl chloride; 2,5-Dimethyl-3-thienylsulfonyl chloride; 2,5-Dimethylthiophene-3-sulphonyl chloride; 3-(Chlorosulfonyl)-2,5-dimethylthiophene; 2,5-Dimethyl-3-thiophenesulfonylchloride
EINECS	Contact for details

Quality Control

Our 2,5-Dimethyl-3-Thiophenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous 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, well-ventilated place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.