Description

Ethyl 4-Cyano-3-Hydroxy-5-(Methylthio)Thiophene-2-Carboxylate is a high-purity, multi-functional heterocyclic building block of significant importance in advanced organic synthesis. This compound is valued for its unique molecular scaffold, which incorporates cyano, hydroxyl, and methylthio functionalities on a thiophene core, enabling its use in the construction of complex pharmacophores and specialty chemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of next-generation herbicides, fungicides, and insecticides, leveraging its thiophene-based structure.
• Material Science Research: Serves as a monomer or building block for the development of conductive polymers, organic semiconductors, and advanced organic electronic materials.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments due to the chromophoric properties of the substituted thiophene ring.
• Chemical Research & Development: A versatile synthon for academic and industrial R&D exploring new heterocyclic chemistry, coupling reactions, and molecular libraries.

Basic Information

Product Name	Ethyl 4-Cyano-3-Hydroxy-5-(Methylthio)Thiophene-2-Carboxylate
CAS No.	203189-41-7
Molecular Formula	C9H9NO3S2
Molecular Weight	243.30 g/mol
Synonyms	Ethyl 4-Cyano-3-hydroxy-5-(methylthio)-2-thiophenecarboxylate; 5-(Methylthio)-3-hydroxy-4-cyano-2-thiophenecarboxylic Acid Ethyl Ester; 2-Thiophenecarboxylic acid, 4-cyano-3-hydroxy-5-(methylthio)-, ethyl ester; EC 203189-41-7
EINECS	Contact for details

Quality Control

Our Ethyl 4-Cyano-3-Hydroxy-5-(Methylthio)Thiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and production. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.