Description

4-Chloro- Benzo[B]Thiophene is a high-purity halogenated heterocyclic compound, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a versatile halogenated aromatic scaffold for constructing complex molecules, particularly in pharmaceutical and agrochemical research. This compound is essential for researchers and manufacturers in the fine chemical, pharmaceutical, and material science industries who require reliable building blocks for drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system and metabolic disorders.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging the thiophene core for biological activity.
• Material Science Research: Serves as a precursor for organic semiconductors, conductive polymers, and nonlinear optical materials due to its electron-rich aromatic system.
• Ligand and Catalyst Development: Employed in the creation of specialized ligands for transition metal catalysis and organocatalysis.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and functional pigments.
• Academic and R&D Laboratories: Fundamental reagent for methodological development in organic synthesis and heterocyclic chemistry studies.

Basic Information

Product Name	4-Chloro- Benzo[B]Thiophene
CAS No.	66490-33-3
Molecular Formula	C8H5ClS
Molecular Weight	168.64 g/mol
Synonyms	4-Chlorobenzo[b]thiophene; 4-Chloro-1-benzothiophene; Benzo[b]thiophene, 4-chloro-; 4-Chlorobenzo[b]thiophene; 4-Chloro-benzo[b]thiophene; 4-Cl-BT; 4-Chloro-1-benzothiophene
EINECS	Contact for details

Quality Control

Our 4-Chloro- Benzo[B]Thiophene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, confirming compliance with customer specifications and industry standards for fine chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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