Description

Ethyl 4-Oxotetrahydro-2H-Pyran-3-Carboxylate is a high-purity, versatile lactone ester derivative that serves as a critical building block in advanced organic synthesis. Its unique bicyclic structure and functional groups make it an invaluable precursor for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug molecules, particularly in developing central nervous system (CNS) agents and antiviral compounds.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, where its lactone moiety contributes to biological activity.
• Fine Chemical Building Block: Employed in the synthesis of flavors, fragrances, and specialty polymers requiring specific stereochemistry and functional group compatibility.
• Academic & Process R&D: Serves as a model substrate for methodological development in asymmetric catalysis, ring-opening reactions, and multi-step synthetic sequences.
• Material Science Precursor: Potential use in creating novel biodegradable polymers or functionalized materials due to its ester and cyclic ether functionalities.

Basic Information

Product Name	Ethyl 4-Oxotetrahydro-2H-Pyran-3-Carboxylate
CAS No.	141419-94-5
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	Ethyl 4-oxotetrahydro-2H-pyran-3-carboxylate; 3-Carbethoxy-4-pyrone (hydrogenated); Ethyl 4-oxooxane-3-carboxylate; Tetrahydro-4-oxo-2H-pyran-3-carboxylic acid ethyl ester; 3-Ethoxycarbonyl-4-piperidone (tautomer); 4-Oxo-tetrahydro-pyran-3-carboxylic acid ethyl ester; Ethyl 3,4-dihydro-4-oxo-2H-pyran-3-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 4-Oxotetrahydro-2H-Pyran-3-Carboxylate 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 synthetic applications. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and consistency for your critical R&D and scale-up processes.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
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.