Description

3-Thiophenecarboxylic Acid, 4,5-Dichloro- is a high-purity, halogenated 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 sought by research institutions and industrial manufacturers engaged in creating novel active ingredients, functional materials, and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, and insecticides, leveraging its dichlorinated thiophene core.
• Material Science Research: Acts as a building block for creating functional polymers, organic semiconductors, and conductive materials due to its thiophene backbone.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis and organocatalysis in asymmetric synthesis.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes and enzyme inhibition.

Basic Information

Product Name	3-Thiophenecarboxylic Acid, 4,5-Dichloro-
CAS No.	123418-70-2
Molecular Formula	C5H2Cl2O2S
Molecular Weight	196.04 g/mol
Synonyms	4,5-Dichlorothiophene-3-carboxylic Acid; 4,5-Dichloro-3-thiophenecarboxylic Acid; 4,5-Dichloro-3-thiophene carboxylic acid; 3-Carboxy-4,5-dichlorothiophene; 4,5-Dichloro-thiophene-3-carboxylic acid; 4,5-Dichloro-3-thiophenecarboxylate (anion form); 4,5-Dichloro-3-thiophenecarboxylic acid (IUPAC); 4,5-Dichloro-3-thiophene carboxylic acid
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarboxylic Acid, 4,5-Dichloro- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with 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 compound is moisture-sensitive (hygroscopic); keep the container tightly sealed to prevent degradation from atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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