Description

Methyl 5-Ethoxy-2-Thiophenecarboxylate is a high-purity, specialized organic ester building block of significant interest in advanced chemical synthesis. This compound is valued for its role as a key intermediate in the development of complex heterocyclic molecules, particularly in 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 for constructing novel thiophene-based scaffolds.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing active pharmaceutical ingredients (APIs) with thiophene cores, particularly in central nervous system (CNS) and anti-inflammatory drug candidates.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that incorporate the 5-ethoxy-thiophene moiety for enhanced biological activity.
• Material Science Research: Serves as a monomer or precursor in the development of conjugated polymers and organic semiconductors for electronic applications like OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.
• Fine Chemical Production: Acts as a versatile intermediate for creating dyes, pigments, and other specialty chemicals requiring functionalized thiophene structures.

Basic Information

Product Name	Methyl 5-Ethoxy-2-Thiophenecarboxylate
CAS No.	1418117-83-5
Molecular Formula	C8H10O3S
Molecular Weight	186.23 g/mol
Synonyms	Methyl 5-ethoxy-2-thiophenecarboxylate; 5-Ethoxy-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 5-ethoxy-, methyl ester; Methyl 5-ethoxythiophene-2-carboxylate; 5-Ethoxythiophene-2-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 5-Ethoxy-2-Thiophenecarboxylate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to confirm identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We adhere to cGMP guidelines where applicable to support our clients in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and heat sources. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Typical 98.0-99.5%)
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.