Description

2,5-Thiophenedicarboxylic Acid Dimethyl Ester is a high-purity organic building block and key intermediate in advanced chemical synthesis. This compound is valued for its rigid, heterocyclic thiophene core, which is integral to the development of materials with specialized electronic and optical properties. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thiophene heterocycles.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging the thiophene moiety for bioactivity.
• Organic Electronic Materials: Acts as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.
• Dye and Pigment Manufacturing: Functions as an intermediate in the synthesis of high-performance dyes and pigments with enhanced stability and color properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and material science applications.

Basic Information

Product Name	2,5-Thiophenedicarboxylic Acid Dimethyl Ester
CAS No.	4282-34-2
Molecular Formula	C8H8O4S
Molecular Weight	200.21 g/mol
Synonyms	Dimethyl 2,5-Thiophenedicarboxylate; 2,5-Bis(methoxycarbonyl)thiophene; Thiophene-2,5-dicarboxylic Acid Dimethyl Ester; 2,5-Thiophenedicarboxylic Acid Methyl Ester; Methyl 2,5-Thiophenedicarboxylate; 2,5-Dicarbomethoxythiophene
EINECS	224-287-9

Quality Control

Our 2,5-Thiophenedicarboxylic Acid Dimethyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for reliable supply to regulated industries.

Storage

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

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%
Heavy Metals	< 10 ppm

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