Description

4-Methyl-3-thiophenecarboxylate is a versatile heterocyclic building block and ester derivative of thiophene. This compound matters as a key synthetic intermediate in the development of advanced materials and active pharmaceutical ingredients (APIs), offering a reactive site for further functionalization. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting the central nervous system (CNS) and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the thiophene moiety can enhance biological activity.
• Material Science Research: Acts as a monomer or building block for developing conductive polymers, organic semiconductors, and non-linear optical (NLO) materials.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.
• Fine Chemical Production: Integral to the custom synthesis of complex fragrance and flavor ingredients, dyes, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	4-Methyl-3-thiophenecarboxylate
CAS No.	61755-84-8
Molecular Formula	C7H8O2S
Molecular Weight	156.20 g/mol
Synonyms	Methyl 4-methyl-3-thiophenecarboxylate; 3-Thiophenecarboxylic acid, 4-methyl-, methyl ester; 4-Methyl-3-thiophenecarboxylic acid methyl ester; Methyl 4-methylthiophene-3-carboxylate; 4-Methyl-thiophene-3-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 4-Methyl-3-thiophenecarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.