Description

Diethyl 3-Methylthiophene-2,4-Dicarboxylate is a high-purity organic building block and synthetic intermediate of significant commercial importance. This compound is valued for its versatile reactivity, particularly in heterocyclic and pharmaceutical chemistry, enabling the construction of complex molecular architectures. It is primarily sought by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and advanced materials sectors for the synthesis of active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially those containing functionalized thiophene cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its heterocyclic structure.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) and semiconductors.
• Dye and Pigment Manufacturing: Intermediate for creating specialized colorants and functional dyes with specific light-absorption properties.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to develop new catalytic systems and complexing agents.
• Academic and Industrial R&D: A versatile reagent for methodological studies and the exploration of new chemical reactions in synthetic organic chemistry.

Basic Information

Product Name	Diethyl 3-Methylthiophene-2,4-Dicarboxylate
CAS No.	14559-14-9
Molecular Formula	C11H14O4S
Molecular Weight	242.29 g/mol
Synonyms	3-Methylthiophene-2,4-dicarboxylic Acid Diethyl Ester; Diethyl 3-Methyl-2,4-thiophenedicarboxylate; 2,4-Thiophenedicarboxylic Acid, 3-Methyl-, Diethyl Ester; 3-Methylthiophene-2,4-dicarboxylate Diethyl Ester; Ethyl 3-Methylthiophene-2,4-dicarboxylate; Diethyl 3-Methylthiophene-2,4-dicarboxylate
EINECS	Contact for details

Quality Control

Our Diethyl 3-Methylthiophene-2,4-Dicarboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.