Description

2-Thiophenesulfonamide,5-Ethyl-(9Ci) is a specialized organosulfur compound featuring a sulfonamide group on a substituted thiophene ring. This molecular structure makes it a valuable building block and intermediate in advanced organic synthesis, particularly for the development of active pharmaceutical ingredients (APIs) and functional materials. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors seeking to develop novel compounds with specific biological or electronic properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, or infectious diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging the bioactivity of the thiophene-sulfonamide scaffold.
• Material Science: Acts as a monomer or functionalizing agent in the creation of conductive polymers, organic semiconductors, or advanced polymeric materials.
• Chemical Synthesis: Employed as a versatile reagent for introducing the 5-ethyl-2-thiophenesulfonamide moiety into more complex molecular architectures.
• Ligand & Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalysis or metal-organic frameworks (MOFs).

Basic Information

Product Name	2-Thiophenesulfonamide,5-Ethyl-(9Ci)
CAS No.	140646-34-0
Molecular Formula	C6H9NO2S2
Molecular Weight	191.27 g/mol
Synonyms	5-Ethyl-2-thiophenesulfonamide; 5-Ethylthiophene-2-sulfonamide; 2-Thiophenesulfonamide, 5-ethyl-; 5-Ethyl-2-thienylsulfonamide; 5-Ethylthiophene-2-sulfonylamide; 140646-34-0; 5-Ethyl-2-sulfamoylthiophene
EINECS	Contact for details

Quality Control

Our 2-Thiophenesulfonamide,5-Ethyl-(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

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