Description

Ethyl 3-Amino-5-Methylthiophene-2-Carboxylate is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. Its core value lies in its functionalized thiophene scaffold, which serves as a critical precursor for constructing complex molecules in pharmaceutical and agrochemical research. This compound is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides and herbicides, leveraging its heterocyclic structure.
• Material Science: Serves as a monomer or precursor for conducting polymers and organic electronic materials due to the thiophene core.
• Dye & Pigment Industry: Acts as an intermediate for synthesizing specialized heterocyclic dyes and organic pigments.
• Chemical Research: A valuable building block in academic and industrial laboratories for methodological development and library synthesis.
• Custom Synthesis: The starting point for contract manufacturing organizations (CMOs) to produce bespoke, high-value compounds for clients.

Basic Information

Product Name	Ethyl 3-Amino-5-Methylthiophene-2-Carboxylate
CAS No.	98593-58-9
Molecular Formula	C8H11NO2S
Molecular Weight	185.24 g/mol
Synonyms	Ethyl 3-Amino-5-Methyl-2-Thiophenecarboxylate; 3-Amino-5-Methylthiophene-2-Carboxylic Acid Ethyl Ester; 2-Thiophenecarboxylic acid, 3-amino-5-methyl-, ethyl ester; 5-Methyl-3-aminothiophene-2-carboxylic acid ethyl ester; Ethyl 3-amino-5-methylthiophene-2-carboxylate; 98593-58-9; AKOS BBS-00004320; SCHEMBL154044
EINECS	Contact for details

Quality Control

Our Ethyl 3-Amino-5-Methylthiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
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.