Description

Methyl 3-Chlorobenzo[B]Thiophene-2-Carboxylate 1,1-Dioxide is a high-purity, functionalized benzothiophene derivative, serving as a critical advanced intermediate in modern synthetic chemistry. Its value lies in providing a versatile, sulfone-activated scaffold for constructing complex molecules with tailored properties. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its reactive chlorinated sulfone structure.
• Material Science Research: Serves as a precursor for the development of organic electronic materials, dyes, and functional polymers.
• Chemical Biology Probes: Utilized in the creation of molecular probes and inhibitors for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.

Basic Information

Product Name	Methyl 3-Chlorobenzo[B]Thiophene-2-Carboxylate 1,1-Dioxide
CAS No.	21211-23-4
Molecular Formula	C10H7ClO4S
Molecular Weight	258.68 g/mol
Synonyms	Methyl 3-Chlorobenzo[b]thiophene-2-carboxylate 1,1-Dioxide; 3-Chlorobenzo[b]thiophene-2-carboxylic Acid Methyl Ester S,S-Dioxide; Methyl 3-Chloro-1,1-dioxobenzo[b]thiophene-2-carboxylate; 3-Chloro-1,1-dioxo-1-benzothiophene-2-carboxylic Acid Methyl Ester; 2-Carbonmethoxy-3-chlorobenzo[b]thiophene 1,1-Dioxide; 21211-23-4; Methyl 3-chloro-1-benzothiophene-2-carboxylate 1,1-dioxide
EINECS	Contact for details

Quality Control

Our production of Methyl 3-Chlorobenzo[B]Thiophene-2-Carboxylate 1,1-Dioxide adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and undergoes rigorous analytical testing. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

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.