Description

3-Chloro-Benzo(B)Thiophene-1,1-Dioxide is a high-purity, synthetically valuable sulfone derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with sulfone or thiophene-based pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides.
• Material Science Research: Acts as a monomer or functionalizing agent in the development of organic electronic materials, such as semiconductors or conductive polymers.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, nucleophilic substitutions, and as a substrate for further functionalization to create diverse chemical libraries.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments for high-performance applications.

Basic Information

Product Name	3-Chloro-Benzo(B)Thiophene-1,1-Dioxide
CAS No.	21211-29-0
Molecular Formula	C8H5ClO2S
Molecular Weight	200.64 g/mol
Synonyms	3-Chlorobenzo[b]thiophene 1,1-Dioxide; 3-Chloro-1-benzothiophene 1,1-Dioxide; 3-Chlorobenzo[b]thiophene Sulfone; 3-Chloro-1,1-dioxobenzo[b]thiophene; 3-Chlorobenzo[b]thiophene S,S-Dioxide; 3-Chloro-1-benzothiophene S,S-Dioxide; 3-Chloro-benzo[b]thiophene-1,1-diol 1,1-dioxide
EINECS	Contact for details

Quality Control

Our 3-Chloro-Benzo(B)Thiophene-1,1-Dioxide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and lot-to-lot consistency. Certificates of Analysis (COA) with detailed specifications are provided to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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