Description

4-Bromo-3-Chloro-1-Benzothiophene-2-Carbonyl Chloride is a high-purity, multi-functional chemical building block essential for advanced organic synthesis. This compound is valued for its reactive carbonyl chloride and halogenated benzothiophene structure, enabling precise derivatization in complex molecular architectures. It is primarily sought by researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel small-molecule drug candidates, particularly those targeting various enzyme families.
• Agrochemical Research: Used to construct complex heterocyclic scaffolds for developing new herbicides, fungicides, and insecticides.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers and organic electronic materials.
• Chemical Synthesis: An essential building block for creating complex benzothiophene derivatives for further biological or material testing.
• Academic & R&D: Employed in research laboratories for methodological studies and exploring new chemical reactions involving halogenated heterocycles.

Basic Information

Product Name	4-Bromo-3-Chloro-1-Benzothiophene-2-Carbonyl Chloride
CAS No.	1160249-22-8
Molecular Formula	C9H3BrCl2OS
Molecular Weight	310.00 g/mol
Synonyms	2-Carbonyl Chloride-4-Bromo-3-Chlorobenzothiophene; 4-Bromo-3-chlorobenzo[b]thiophene-2-carbonyl chloride; 1-Benzothiophene-2-carbonyl chloride, 4-bromo-3-chloro-; Benzo[b]thiophene-2-carbonyl chloride, 4-bromo-3-chloro-
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Chloro-1-Benzothiophene-2-Carbonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee reproducible performance in your critical synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.