Description

2-Chlorothiophene-3-Carboxylic Acid is a versatile heterocyclic building block of significant importance in advanced organic synthesis. This compound is valued for its role as a key intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), crop protection agents, and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those containing thiophene scaffolds for therapeutic applications.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its reactive carboxylic acid and halogen functionalities.
• Material Science Research: Serves as a monomer or functionalizing agent in the creation of conductive polymers, organic semiconductors, and specialty polymers.
• Chemical Research & Development: Employed as a versatile synthon for constructing complex heterocyclic systems via cross-coupling, hydrolysis, and condensation reactions.
• Dye and Pigment Intermediate: Acts as a building block for synthesizing specialized dyes and pigments with specific light-absorption properties.

Basic Information

Product Name	2-Chlorothiophene-3-Carboxylic Acid
CAS No.	53935-71-0
Molecular Formula	C5H3ClO2S
Molecular Weight	162.59 g/mol
Synonyms	3-Carboxy-2-chlorothiophene; 2-Chloro-3-thiophenecarboxylic Acid; 2-Chloro-3-carboxythiophene; 2-Chlorothiophene-3-carboxylic acid; 2-Chloro-thiophene-3-carboxylic acid; Thiophene-3-carboxylic acid, 2-chloro-
EINECS	Contact for details

Quality Control

Our 2-Chlorothiophene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	Contact for details
Loss on Drying	≤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.