Description

Methyl 4-Amino-5-Methylthiophene-3-Carboxylate is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. Its value lies in its unique molecular structure, which provides a versatile scaffold for constructing complex heterocyclic compounds and active pharmaceutical ingredients (APIs). This intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and other therapeutic small molecules.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides, leveraging the thiophene ring's bioactivity.
• Material Science Research: Serves as a monomer or functional unit in the development of conductive polymers, organic semiconductors, and other advanced electronic materials.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating specialized heterocyclic dyes and organic pigments with specific light-absorption properties.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D focused on heterocyclic chemistry, medicinal chemistry, and method development.
• Custom Synthesis: The foundation for bespoke chemical synthesis projects, enabling the production of tailored compounds for specific client applications.

Basic Information

Product Name	Methyl 4-Amino-5-Methylthiophene-3-Carboxylate
CAS No.	66319-09-3
Molecular Formula	C8H11NO2S
Molecular Weight	185.24 g/mol
Synonyms	Methyl 4-Amino-5-Methyl-3-Thiophenecarboxylate; 4-Amino-5-Methylthiophene-3-Carboxylic Acid Methyl Ester; 5-Methyl-4-Aminothiophene-3-Carboxylic Acid Methyl Ester; Methyl 5-Methyl-4-Aminothiophene-3-Carboxylate; 3-Thiophenecarboxylic acid, 4-amino-5-methyl-, methyl ester; 4-Amino-5-methylthiophene-3-methyl carboxylate; CAS 66319-09-3
EINECS	Contact for details

Quality Control

Our production of Methyl 4-Amino-5-Methylthiophene-3-Carboxylate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical quality attributes are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

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	≤ 1.0%
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.