Description

2-Thiophenesulfonamide,4-Ethyl-(9Ci) is a specialized organosulfur compound belonging to the thiophene sulfonamide class, serving as a valuable synthetic intermediate and building block. Its molecular structure makes it a key precursor in the development of advanced materials and active pharmaceutical ingredients (APIs). This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require reliable, high-quality intermediates for complex synthesis.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways where the thiophene sulfonamide moiety is pharmacologically active.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides, leveraging its heterocyclic structure for enhanced biological activity.
• Material Science: Serves as a monomer or functionalizing agent in the creation of conductive polymers, organic semiconductors, and advanced polymeric materials.
• Chemical Synthesis: Acts as a versatile reagent for introducing the sulfonamide functional group into more complex molecular architectures in organic chemistry R&D.
• Ligand & Catalyst Development: Utilized in the design of novel ligands for metal-organic frameworks (MOFs) or catalysts due to its potential metal-coordinating properties.

Basic Information

Item	Details
Product Name	2-Thiophenesulfonamide,4-Ethyl-(9Ci)
CAS No.	142294-59-5
Molecular Formula	C6H9NO2S2
Molecular Weight	191.27 g/mol
Synonyms	4-Ethyl-2-thiophenesulfonamide; 4-Ethylthiophene-2-sulfonamide; 2-Thiophenesulfonamide, 4-ethyl-; 4-Ethylthiophene-2-sulphonamide; 4-Ethyl-2-thiophenesulphonamide; 4-Ethylthiophene-2-sulfonylamide; 4-Ethyl-2-sulfamoylthiophene
EINECS	Contact for details

Quality Control

Every batch of 2-Thiophenesulfonamide,4-Ethyl-(9Ci) is manufactured under strict quality management systems and undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. The product is light-sensitive and should be stored away from light as indicated.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Maximum Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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