Description

2-Thiophenesulfonamide,3-Ethyl-(9Ci) is a specialized organosulfur compound belonging to the thiophene sulfonamide class, serving as a valuable synthetic intermediate. Its molecular structure makes it a key building block for the development of novel active pharmaceutical ingredients (APIs) and advanced agrochemicals. This high-purity intermediate is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for process development and scale-up.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of next-generation herbicides and fungicides, leveraging the thiophene moiety for enhanced bioactivity.
• Material Science Research: Acts as a monomer or functionalizing agent in the development of conductive polymers and advanced organic electronic materials.
• Chemical Biology & Proteomics: Employed as a specialized scaffold or labeling reagent in the design of enzyme inhibitors and molecular probes for biochemical studies.
• Fine Chemical Production: Serves as a versatile intermediate for synthesizing complex dyes, pigments, and other performance chemicals.

Basic Information

Product Name	2-Thiophenesulfonamide,3-Ethyl-(9Ci)
CAS No.	142294-58-4
Molecular Formula	C6H9NO2S2
Molecular Weight	191.27 g/mol
Synonyms	3-Ethyl-2-thiophenesulfonamide; 3-Ethylthiophene-2-sulfonamide; 2-Thiophenesulfonamide, 3-ethyl-; 3-Ethyl-2-thienylsulfonamide; 3-Ethylthiophene-2-sulphonamide; 3-Ethyl-2-sulfamoylthiophene
EINECS	Contact for details

Quality Control

Our production of 2-Thiophenesulfonamide,3-Ethyl-(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques (HPLC, GC, NMR) to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment, and we support customer audits and regulatory submissions.

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 heat, sparks, and open flame. For long-term storage, consider maintaining the product under an inert atmosphere to preserve stability.

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.