Description

5-Amino-3-Methyl-Thiophene-2,4-Dicarboxylic Acid 2-Ethyl Ester 4-Methyl Ester is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its unique heterocyclic structure, which provides a versatile scaffold for constructing complex molecules with tailored properties. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its thiophene core for bioactivity.
• Material Science Research: Acts as a monomer or functional unit in the development of organic semiconductors, conductive polymers, and other advanced electronic materials.
• Dye and Pigment Chemistry: Serves as a building block for synthesizing specialized heterocyclic dyes and pigments with specific light-absorption properties.
• Chemical Research & Development: Employed as a versatile synthon in methodological studies and for creating libraries of complex organic compounds for screening.

Basic Information

Product Name	5-Amino-3-Methyl-Thiophene-2,4-Dicarboxylic Acid 2-Ethyl Ester 4-Methyl Ester
CAS No.	77457-04-6
Molecular Formula	C11H15NO4S
Molecular Weight	257.31 g/mol
Synonyms	2-Ethyl 4-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate; 5-Amino-3-methylthiophene-2,4-dicarboxylic acid diethyl ester derivative; 3-Methyl-5-aminothiophene-2,4-dicarboxylic acid ethyl methyl diester; Ethyl methyl 5-amino-3-methylthiophene-2,4-dicarboxylate; 77457-04-6; Amino-methylthiophenedicarboxylic acid ethyl methyl ester
EINECS	Contact for details

Quality Control

Every batch of 5-Amino-3-Methyl-Thiophene-2,4-Dicarboxylic Acid 2-Ethyl Ester 4-Methyl Ester is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your critical R&D and production processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality systems are designed to support applications requiring high-purity intermediates, including those under GMP and ISO guidelines.

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 heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided to maintain product integrity.

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%

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