Description

4-Bromo-2-Chlorothiophene is a halogenated heterocyclic building block of significant importance in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries requiring high-purity chemical intermediates for research and production, such as pharmaceutical R&D, agrochemical manufacturing, and material science, are the primary users of this product.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds with thiophene-based scaffolds.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a monomer or building block for conducting polymers, organic semiconductors, and advanced functional materials.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal-catalyzed cross-coupling reactions.
• Chemical Research & Development: A valuable reagent for exploring new synthetic methodologies and constructing complex heterocyclic systems in academic and industrial labs.
• Dye and Pigment Intermediate: Used in the synthesis of specialized dyes and organic pigments.

Basic Information

Product Name	4-Bromo-2-Chlorothiophene
CAS No.	32431-93-9
Molecular Formula	C4H2BrClS
Molecular Weight	197.48 g/mol
Synonyms	2-Chloro-4-bromothiophene; 4-Bromo-2-chlorothiophene; 2-Chloro-4-bromothiophene; Thiophene, 4-bromo-2-chloro-; 4-Bromo-2-chloro-thiophene; 32431-93-9; 2-Chloro-4-bromo-thiophene
EINECS	Contact for details

Quality Control

Our 4-Bromo-2-Chlorothiophene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for demanding synthetic applications. Each lot undergoes comprehensive analysis, including assay and impurity profiling. Certificates of Analysis (COA) documenting purity, identity, and other critical parameters are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and organic solvents. Handle and store in accordance with good laboratory and chemical hygiene practices.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC/HPLC)	≥97.0% (Area %)
Water Content (KF)	≤0.5%

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