Description

Ethyl 6,7-Dihydro-4H-Thieno[3,2-C]Pyran-2-Carboxylate is a high-purity heterocyclic building block and pharmaceutical intermediate of significant commercial interest. This compound is valued for its unique fused thienopyran structure, which serves as a critical scaffold in modern medicinal chemistry and advanced material synthesis. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates targeting central nervous system (CNS) disorders, cardiovascular diseases, and other therapeutic areas.
• Agrochemical Research: Used as a building block for developing new-generation herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Material Science: Serves as a monomer or functional additive in the research of conductive polymers, organic semiconductors, and advanced organic electronic materials.
• Chemical Synthesis: Employed in organic synthesis for constructing complex heterocyclic systems and as a versatile synthon in multi-step synthetic routes.
• Academic & R&D: Utilized in university and corporate research laboratories for methodological studies, library synthesis, and exploring new chemical spaces.

Basic Information

Product Name	Ethyl 6,7-Dihydro-4H-Thieno[3,2-C]Pyran-2-Carboxylate
CAS No.	623573-71-7
Molecular Formula	C10H12O3S
Molecular Weight	212.27 g/mol
Synonyms	Ethyl 4,7-dihydrothieno[3,2-c]pyran-2-carboxylate; 6,7-Dihydro-4H-thieno[3,2-c]pyran-2-carboxylic acid ethyl ester; 2-Carbethoxy-6,7-dihydro-4H-thieno[3,2-c]pyran; Thieno[3,2-c]pyran-2-carboxylic acid, 6,7-dihydro-4H-, ethyl ester; CAS 623573-71-7
EINECS	Contact for details

Quality Control

Our Ethyl 6,7-Dihydro-4H-Thieno[3,2-C]Pyran-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, confirming compliance with your specified requirements and industry standards for fine chemical intermediates.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.