Description

3-Bromo-5-Ethyl-2-Methylthiophene-1,1-Dioxide is a high-purity, functionalized thiophene dioxide derivative, serving as a versatile and critical building block in advanced organic synthesis. Its unique sulfone-substituted thiophene core makes it an invaluable precursor for constructing complex molecular architectures, particularly in the development of novel materials and active pharmaceutical ingredients. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate with heterocyclic chemistry.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides, leveraging its heterocyclic structure for enhanced biological activity.
• Material Science Precursor: Serves as a monomer or building block for conductive polymers, organic semiconductors, and other advanced electronic materials.
• Ligand and Catalyst Development: Employed in the creation of specialized ligands for transition metal catalysis and organocatalysis.
• Dye and Pigment Chemistry: Acts as an intermediate in the synthesis of specialized dyes and functional pigments.
• Academic and R&D: A valuable reagent for methodological studies in organic chemistry and the exploration of new sulfone chemistry.

Basic Information

Product Name	3-Bromo-5-Ethyl-2-Methylthiophene-1,1-Dioxide
CAS No.	83173-99-3
Molecular Formula	C7H9BrO2S
Molecular Weight	237.11 g/mol
Synonyms	3-Bromo-5-ethyl-2-methylthiophene 1,1-dioxide; 2-Methyl-3-bromo-5-ethylthiophene-1,1-dioxide; 5-Ethyl-3-bromo-2-methylthiophene-1,1-dioxide; 3-Bromo-5-ethyl-2-methyl-1lambda6-thiophene-1,1-dione; Thiophene, 3-bromo-5-ethyl-2-methyl-, 1,1-dioxide
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Ethyl-2-Methylthiophene-1,1-Dioxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

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%

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