Description

2-Bromo-4-Chlorothiophene is a halogenated thiophene derivative serving as a versatile and critical building block in advanced organic synthesis. Its unique structure makes it an essential intermediate for constructing complex molecules, particularly in the development of pharmaceuticals and agrochemicals. This high-purity compound is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and material science industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting central nervous system disorders and anti-infectives.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging the thiophene scaffold for bioactivity.
• Material Science & Organic Electronics: Serves as a monomer or building block for conjugated polymers and organic semiconductors used in OLEDs, solar cells, and sensors.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and cross-coupling reactions.
• Chemical Research & Development: A valuable reagent for exploring new heterocyclic chemistry and developing novel synthetic methodologies in academic and industrial labs.

Basic Information

Product Name	2-Bromo-4-Chlorothiophene
CAS No.	32431-92-8
Molecular Formula	C4H2BrClS
Molecular Weight	197.48 g/mol
Synonyms	4-Chloro-2-bromothiophene; 2-Bromo-4-chlorothiophene; Thiophene, 2-bromo-4-chloro-; 2-Bromo-4-chloro-thiophene; 4-Chloro-2-bromo-thiophene; Bromochlorothiophene
EINECS	Contact for details

Quality Control

Our 2-Bromo-4-Chlorothiophene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 strong acids and organic solvents. Handle and store under an inert atmosphere if prolonged storage is required.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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