Description

Ethyl 5-Methoxy-2-Thiophenecarboxylate is a high-purity organic building block and heterocyclic intermediate essential for advanced chemical synthesis. Its value lies in providing a functionalized thiophene core, enabling the development of novel compounds in pharmaceutical and material science research. This product is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Synthesis: Used in the development of new generation herbicides and fungicides that incorporate the thiophene moiety for enhanced activity.
• Material Science Research: Serves as a precursor for conjugated polymers and organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors.
• Ligand and Catalyst Development: Functional group allows for the creation of specialized ligands for metal catalysis and coordination chemistry.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes and target engagement.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthetic routes and scale-up projects.

Basic Information

Product Name	Ethyl 5-Methoxy-2-Thiophenecarboxylate
CAS No.	1418117-79-9
Molecular Formula	C8H10O3S
Molecular Weight	186.23 g/mol
Synonyms	5-Methoxy-2-thiophenecarboxylic acid ethyl ester; Ethyl 5-methoxythiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 5-methoxy-, ethyl ester; 5-Methoxy-thiophene-2-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 5-Methoxy-2-Thiophenecarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to cGMP principles and compliance with REACH regulations ensures a reliable supply for global research and development applications.

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). 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)	≥ 97.0%
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.