Description

3,4-Dichloro-1-benzothiophene-2-carboxylic acid is a high-purity, synthetically valuable heterocyclic building block. This compound is essential for the development of novel active pharmaceutical ingredients (APIs) and advanced agrochemicals, serving as a key intermediate in complex organic synthesis. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for creating new molecular entities with targeted biological activity.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory diseases.
• Agrochemical Synthesis: Used as a key building block for developing next-generation herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science Research: Serves as a monomer or functional unit in the development of advanced organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing complex benzothiophene-based scaffolds and exploring new chemical reactions.
• Dye & Pigment Intermediate: Acts as a precursor in the manufacture of specialized dyes and pigments for high-performance applications.

Basic Information

Product Name	3,4-Dichloro-1-benzothiophene-2-carboxylic Acid
CAS No.	34576-95-9
Molecular Formula	C9H4Cl2O2S
Molecular Weight	247.10 g/mol
Synonyms	3,4-Dichlorobenzo[b]thiophene-2-carboxylic acid; 2-Carboxy-3,4-dichlorobenzo[b]thiophene; 3,4-Dichloro-1-benzothiophene-2-carboxylic acid; 34576-95-9; Benzo[b]thiophene-2-carboxylic acid, 3,4-dichloro-; 3,4-Dichlorobenzo[b]thiophene-2-carboxylic acid; 3,4-Dichloro-benzo[b]thiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our 3,4-Dichloro-1-benzothiophene-2-carboxylic acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical and agrochemical synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and organic solvents. The container must be kept tightly closed in a dry environment to prevent moisture absorption.

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.