Description

2-Thiophenecarboxylic Acid, 5-(Chloroacetyl)- (9Ci) is a high-purity, functionalized heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its bifunctional structure, featuring both a carboxylic acid and a reactive chloroacetyl group, which enables its use as a versatile intermediate for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the development of novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, leveraging the thiophene moiety for bioactivity.
• Material Science: Serves as a monomer or functionalizing agent in the development of conductive polymers, organic semiconductors, and specialty polymers.
• Chemical Research: A valuable building block in medicinal chemistry and organic synthesis for creating complex heterocyclic compounds and libraries for screening.
• Dye and Pigment Industry: Employed in the synthesis of specialized dyes and pigments where the thiophene ring contributes to color and stability properties.

Basic Information

Product Name	2-Thiophenecarboxylic Acid, 5-(Chloroacetyl)- (9Ci)
CAS No.	96543-77-0
Molecular Formula	C7H5ClO3S
Molecular Weight	204.63 g/mol
Synonyms	5-(Chloroacetyl)-2-thiophenecarboxylic acid; 5-(Chloroacetyl)thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 5-(chloroacetyl)-; 5-Chloroacetyl-2-thiophenecarboxylic acid; (5-Chloroacetyl-2-thienyl)carboxylic acid; Chloroacetylthiophenecarboxylic acid; 96543-77-0 (CAS)
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylic Acid, 5-(Chloroacetyl)- (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality parameters. Our commitment to quality ensures reliable performance in your most demanding 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 product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

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.