Description

3,5-Thiophenedicarboxylic Acid Dimethyl Ester is a high-purity organic building block and key synthetic intermediate. This compound matters for its role as a versatile precursor in the development of advanced materials and active pharmaceutical ingredients (APIs). It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex heterocyclic systems.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those containing thiophene or fused heterocyclic cores with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that leverage the thiophene moiety for enhanced efficacy.
• Material Science Precursor: Serves as a monomer or building block for the creation of conjugated polymers, organic semiconductors, and non-linear optical (NLO) materials.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for metal-organic frameworks (MOFs) or homogeneous catalysis.
• Organic Synthesis Research: A valuable reagent in academic and industrial laboratories for exploring new organic transformations and constructing complex molecular architectures.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments where the thiophene ring contributes to color and stability properties.

Basic Information

Product Name	3,5-Thiophenedicarboxylic Acid Dimethyl Ester
CAS No.	6520-81-6
Molecular Formula	C8H8O4S
Molecular Weight	200.21 g/mol
Synonyms	Dimethyl 3,5-thiophenedicarboxylate; 3,5-Bis(methoxycarbonyl)thiophene; Thiophene-3,5-dicarboxylic acid dimethyl ester; 3,5-Thiophenedicarboxylic acid, dimethyl ester; 3,5-Dicarbomethoxythiophene
EINECS	229-424-8

Quality Control

Our 3,5-Thiophenedicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent lot-to-lot performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

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

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%

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