Description

3-Bromo-2-Chlorothiophene is a halogenated heterocyclic building block of significant importance in advanced organic synthesis. This compound matters because it serves as a versatile intermediate for constructing complex molecular architectures, particularly in the development of pharmaceuticals and agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), especially those containing thiophene cores.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and insecticides.
• Material Science: Serves as a monomer or precursor for conductive polymers, organic semiconductors, and liquid crystals.
• Chemical Research: A valuable reagent in cross-coupling reactions (e.g., Suzuki, Stille) and functional group transformations in academic and industrial R&D.
• Dye and Pigment Industry: Intermediate for the synthesis of complex organic dyes and pigments.

Basic Information

Product Name	3-Bromo-2-Chlorothiophene
CAS No.	40032-73-3
Molecular Formula	C4H2BrClS
Molecular Weight	197.48 g/mol
Synonyms	2-Chloro-3-bromothiophene; 3-Bromo-2-chlorothiophene; Thiophene, 3-bromo-2-chloro-; 2-Chloro-3-bromothiophene; 3-Bromo-2-chloro-thiophene; 2-Chloro-3-bromo-thiophene; 3-Br-2-Cl-Thiophene
EINECS	Contact for details

Quality Control

Our 3-Bromo-2-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 protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flame. 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.