Description

Methyl 5-Methoxythiophene-2-Carboxylate is a high-purity organic building block and heterocyclic intermediate of significant commercial importance. This compound is valued for its role in the synthesis of complex molecules, particularly in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in drug discovery programs targeting novel therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and pesticides, leveraging the thiophene moiety for biological activity.
• Material Science Research: Serves as a precursor for functionalized polymers, organic semiconductors, and conductive materials due to its electron-rich thiophene core.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for metal catalysis and organocatalysts used in asymmetric synthesis.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and organic pigments where the thiophene structure imparts specific color and stability properties.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for use in custom synthesis projects and scale-up campaigns.

Basic Information

Product Name	Methyl 5-Methoxythiophene-2-Carboxylate
CAS No.	77133-25-6
Molecular Formula	C7H8O3S
Molecular Weight	172.20 g/mol
Synonyms	5-Methoxy-2-thiophenecarboxylic acid methyl ester; Methyl 5-methoxy-2-thiophenecarboxylate; 2-Methoxycarbonyl-5-methoxythiophene; 5-Methoxythiophene-2-carboxylic acid methyl ester; Methyl 5-methoxythiophene-2-carboxylate; 2-Carbomethoxy-5-methoxythiophene; Methyl (5-methoxy-2-thienyl)carboxylate
EINECS	Contact for details

Quality Control

Our production of Methyl 5-Methoxythiophene-2-Carboxylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques (HPLC, GC, NMR) to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment, supporting compliance in regulated research and development environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.