Description

2-Thiophenesulfonamide,5-Methoxy-(9Ci) is a specialized heterocyclic sulfonamide derivative, a key building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of pharmaceuticals and agrochemicals, where its unique thiophene core enables the creation of molecules with targeted biological activity. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiophene-sulfonamide moiety.
• Material Science: Acts as a monomer or functionalizing agent in the synthesis of specialty polymers and organic electronic materials due to its electron-rich thiophene ring.
• Chemical Biology Probe: Employed in academic and industrial research to create molecular probes for studying enzyme function and biological pathways, specifically those involving sulfonamide-protein interactions.
• Dye & Pigment Synthesis: Functions as an intermediate in the production of specialized dyes and pigments where the methoxy-thiophene unit contributes to color and stability properties.

Basic Information

Product Name	2-Thiophenesulfonamide,5-Methoxy-(9Ci)
CAS No.	140646-38-4
Molecular Formula	C5H7NO3S2
Molecular Weight	193.24 g/mol
Synonyms	5-Methoxy-2-thiophenesulfonamide; 5-Methoxythiophene-2-sulfonamide; 2-Thiophenesulfonamide, 5-methoxy-; 5-Methoxy-thiophene-2-sulfonic acid amide; Thiophene-2-sulfonamide, 5-methoxy-; 5-Methoxythiophene-2-sulfonic acid amide; 5-Methoxy-2-thienylsulfonamide
EINECS	Contact for details

Quality Control

Our 2-Thiophenesulfonamide,5-Methoxy-(9Ci) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to prevent moisture absorption. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.