Description

3,4-Diethyl 2-Aminothiophene-3,4-Dicarboxylate is a high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound serves as a critical building block for the development of complex heterocyclic molecules and functional materials. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for creating novel active ingredients and sophisticated molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel thiophene-based drug candidates, including potential kinase inhibitors and central nervous system (CNS) active compounds.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, and insecticides that leverage the thiophene scaffold for enhanced bioactivity.
• Material Science Research: Serves as a monomer or building block for the creation of organic semiconductors, conductive polymers, and non-linear optical (NLO) materials.
• Dye and Pigment Manufacturing: Employed in the synthesis of specialized heterocyclic dyes and pigments for high-performance applications.
• Chemical Research & Development: A versatile synthon for academic and industrial R&D focused on heterocyclic chemistry, medicinal chemistry, and method development.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke molecules and small-scale commercial batches.

Basic Information

Product Name	3,4-Diethyl 2-Aminothiophene-3,4-Dicarboxylate
CAS No.	104680-25-3
Molecular Formula	C11H15NO4S
Molecular Weight	257.31 g/mol
Synonyms	Diethyl 2-Aminothiophene-3,4-dicarboxylate; 2-Amino-3,4-thiophenedicarboxylic Acid Diethyl Ester; 3,4-Diethoxycarbonyl-2-aminothiophene; 2-Aminothiophene-3,4-dicarboxylic Acid Diethyl Ester; Ethyl 2-Amino-4,5-dicarboxythiophene-3-carboxylate; 3,4-Bis(ethoxycarbonyl)-2-aminothiophene; 2-Amino-thiophene-3,4-dicarboxylic acid diethyl ester
EINECS	Contact for details

Quality Control

Our 3,4-Diethyl 2-Aminothiophene-3,4-Dicarboxylate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports development from research to commercial scale, ensuring reliable supply for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow 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%
Heavy Metals	≤ 20 ppm

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