Description

Tetrahydro-3-Oxo-2H-Pyran-4-Carboxylic Acid Ethyl Ester is a versatile lactone derivative and a valuable synthetic intermediate in organic chemistry. This compound is prized for its reactive carbonyl and ester functionalities, enabling its use in constructing complex heterocyclic scaffolds. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of complex drug molecules, particularly those containing dihydropyran or lactone cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive structure.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, flavors, and fragrances requiring specific lactone motifs.
• Academic & Industrial Research: A valuable reagent for methodological development in organic synthesis and catalysis studies.
• Material Science: Potential monomer or cross-linking agent in the development of specialized polymers.

Basic Information

Product Name	Tetrahydro-3-Oxo-2H-Pyran-4-Carboxylic Acid Ethyl Ester
CAS No.	388109-26-0
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	Ethyl tetrahydro-3-oxo-2H-pyran-4-carboxylate; 4-Ethoxycarbonyl-5,6-dihydro-2H-pyran-3-one; 4-(Ethoxycarbonyl)-5,6-dihydro-2H-pyran-3-one; 5,6-Dihydro-4-(ethoxycarbonyl)-2H-pyran-3-one; Ethyl 4-oxotetrahydro-2H-pyran-3-carboxylate; 3-Oxo-tetrahydro-2H-pyran-4-carboxylic acid ethyl ester; 388109-26-0; Dihydro-4-(ethoxycarbonyl)-2H-pyran-3(4H)-one
EINECS	Contact for details

Quality Control

Our Tetrahydro-3-Oxo-2H-Pyran-4-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

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

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.