Description

3,4-Dihydroxy-Thiophene-2,5-Dicarboxylic Acid Diethyl Ester is a high-purity, versatile heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of complex molecules, particularly in materials science and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, agrochemical, and pharmaceutical industries for constructing novel thiophene-based architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical synthon for the development of novel active pharmaceutical ingredients (APIs), especially those targeting specific receptor sites.
• Organic Electronic Materials: Used in the research and synthesis of conjugated polymers and small molecules for applications in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Agrochemical Synthesis: Acts as a building block for creating new generations of herbicides, fungicides, and insecticides with enhanced efficacy.
• Ligand and Catalyst Development: Employed in the preparation of novel chelating ligands and metal-organic complexes for catalytic applications.
• Dye and Pigment Research: Utilized as a precursor for synthesizing specialized heterocyclic dyes with unique optical properties.
• Academic & Industrial R&D: A valuable tool for methodological studies and exploring new chemical spaces in synthetic organic chemistry.

Basic Information

Product Name	3,4-Dihydroxy-Thiophene-2,5-Dicarboxylic Acid Diethyl Ester
CAS No.	1822-66-8
Molecular Formula	C10H12O6S
Molecular Weight	260.26 g/mol
Synonyms	Diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate; 2,5-Thiophenedicarboxylic acid, 3,4-dihydroxy-, diethyl ester; 3,4-Dihydroxythiophene-2,5-dicarboxylic acid diethyl ester; Ethyl 3,4-dihydroxythiophene-2,5-dicarboxylate; Thiophene-2,5-dicarboxylic acid, 3,4-dihydroxy-, diethyl ester; Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate
EINECS	Contact for details

Quality Control

Our 3,4-Dihydroxy-Thiophene-2,5-Dicarboxylic Acid Diethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure compliance with stringent industry standards. Certificates of Analysis (COA) documenting all specifications are available upon request 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 the container tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.