Description

(5,6-Dihydro-4H-Pyran-3-Yl)-Acetic Acid Ethyl Ester is a versatile heterocyclic building block and ester derivative, prized for its reactive dihydropyran core and functionalized side chain. This compound is a critical intermediate for synthesizing complex molecules, offering a strategic handle for further chemical elaboration. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require high-purity intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its reactive ester and cyclic ether functionalities.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring specific chiral or structural motifs.
• Material Science Research: Employed in the development of novel polymers, ligands, and organic electronic materials due to its modifiable structure.
• Academic & R&D: A valuable reagent for methodological development in organic synthesis, including cycloaddition and cross-coupling reactions.

Basic Information

Product Name	(5,6-Dihydro-4H-Pyran-3-Yl)-Acetic Acid Ethyl Ester
CAS No.	83832-44-4
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Ethyl (5,6-dihydro-4H-pyran-3-yl)acetate; 3-Pyranacetic acid, 5,6-dihydro-, ethyl ester; Ethyl 2-(5,6-dihydro-4H-pyran-3-yl)acetate; 2-(5,6-Dihydro-4H-pyran-3-yl)acetic acid ethyl ester; 83832-44-4; 5,6-Dihydro-4H-pyran-3-ylacetic acid ethyl ester
EINECS	Contact for details

Quality Control

Our (5,6-Dihydro-4H-Pyran-3-Yl)-Acetic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability, though the product is stable at controlled room temperature for shorter periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
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.