Description

Ethyl 3-Methyl-5-(Methylthio)-4-Vinylthiophene-2-Carboxylate is a high-purity, specialized thiophene derivative serving as a critical building block in advanced organic synthesis. This compound matters for its unique molecular architecture, which enables the development of novel materials and active pharmaceutical ingredients (APIs) with tailored properties. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate with complex heterocyclic frameworks.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the creation of novel pesticides, herbicides, and fungicides where the thiophene core contributes to biological activity.
• Material Science Research: Serves as a monomer or precursor in the development of conductive polymers, organic semiconductors, and advanced functional materials.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a building block for electron-transport or emissive layer materials in display and lighting technologies.
• Ligand and Catalyst Development: Utilized to synthesize complex ligands for metal-organic catalysis or as a scaffold in organocatalysis.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing complex sulfur-containing aroma chemicals.

Basic Information

Item	Detail
Product Name	Ethyl 3-Methyl-5-(Methylthio)-4-Vinylthiophene-2-Carboxylate
CAS No.	650615-91-1
Molecular Formula	C11H14O2S2
Molecular Weight	242.36 g/mol
Synonyms	Ethyl 3-methyl-5-(methylthio)-4-vinylthiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 3-methyl-5-(methylthio)-4-vinyl-, ethyl ester; 4-Vinyl-3-methyl-5-(methylthio)thiophene-2-carboxylic acid ethyl ester; 5-(Methylthio)-3-methyl-4-vinylthiophene-2-carboxylic acid ethyl ester; Ethyl 5-(methylthio)-3-methyl-4-vinyl-2-thiophenecarboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 3-Methyl-5-(Methylthio)-4-Vinylthiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

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 acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maximize stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or 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.