Description

2,3-Dichlorothiophene-5-Sulfonamide is a high-purity, multi-functional heterocyclic sulfonamide building block. This compound is valued for its unique molecular architecture, which combines a halogenated thiophene core with a reactive sulfonamide group, making it a versatile intermediate for advanced synthesis. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for targeted therapies.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science Research: Serves as a precursor for functional polymers, conductive materials, and liquid crystals.
• Chemical Biology Probes: Utilized in the design of molecular probes and enzyme inhibitors for biochemical research.
• Organic Electronics: Investigated as a building block for organic semiconductors and electronic materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of specialized, high-value fine chemicals.

Basic Information

Item	Detail
Product Name	2,3-Dichlorothiophene-5-Sulfonamide
CAS No.	256353-34-1
Molecular Formula	C4H3Cl2NO2S2
Molecular Weight	240.11 g/mol
Synonyms	5-Sulfamoyl-2,3-dichlorothiophene; 2,3-Dichloro-5-sulfamoylthiophene; 2,3-Dichlorothiophene-5-sulfonic acid amide; Thiophene-5-sulfonamide, 2,3-dichloro-; 2,3-Dichloro-thiophene-5-sulfonylamide
EINECS	Contact for details

Quality Control

Every batch of 2,3-Dichlorothiophene-5-Sulfonamide is manufactured under a strict quality management system. We employ advanced analytical techniques, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and we support customer audits and regulatory documentation requirements.

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). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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