Description

Methyl4-Amino-5-Methylthiophene-2-Carboxylate CAS NO 501082-56-0 is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile precursor in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industrial and research chemists need it for synthesizing active pharmaceutical ingredients (APIs), specialty chemicals, and novel materials where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides, herbicides, and fungicides that incorporate thiophene motifs for enhanced biological activity.
• Material Science Research: Serves as a monomer or building block for developing conductive polymers, organic semiconductors, and other functional materials.
• Organic Synthesis & Chemical Research: A versatile reagent for constructing complex molecular frameworks in academic and industrial R&D laboratories.
• Dye & Pigment Industry: Potential intermediate in the synthesis of specialized dyes and organic pigments.
• Ligand & Catalyst Development: Used to create novel ligands for catalysis and coordination chemistry applications.

Basic Information

Product Name	Methyl4-Amino-5-Methylthiophene-2-Carboxylate
CAS No.	501082-56-0
Molecular Formula	C8H11NO2S
Molecular Weight	185.24 g/mol
Synonyms	Methyl 4-Amino-5-methylthiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 4-amino-5-methyl-, methyl ester; 4-Amino-5-methylthiophene-2-carboxylic acid methyl ester; Methyl 4-amino-5-methyl-2-thiophenecarboxylate; 5-Methyl-4-aminothiophene-2-carboxylic acid methyl ester; 4-Amino-5-methyl-2-thiophenecarboxylic acid methyl ester; Methyl 5-methyl-4-aminothiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our Methyl4-Amino-5-Methylthiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.