Description

2H-Pyran-2-One, 5-Ethyltetrahydro- is a specialized heterocyclic lactone compound, also known as 5-Ethyltetrahydro-2H-pyran-2-one, valued for its utility as a key intermediate and building block in advanced organic synthesis. Its unique structure makes it a versatile precursor for the development of pharmaceuticals, agrochemicals, and fine chemicals, where precise molecular architecture is critical. This product is essential for R&D chemists and process development scientists in the pharmaceutical, flavor & fragrance, and specialty chemical industries seeking reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for creating specific lactone-based flavor compounds and aroma chemicals.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including polymers, solvents, and performance materials.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies and heterocyclic chemistry.

Basic Information

Product Name	2H-Pyran-2-One, 5-Ethyltetrahydro-
CAS No.	73805-43-3
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	5-Ethyltetrahydro-2H-pyran-2-one; 5-Ethyl-δ-valerolactone; δ-Valerolactone, 5-ethyl-; 5-Ethyltetrahydropyran-2-one; 5-Ethyl-2-oxotetrahydro-2H-pyran; 73805-43-3; 5-Ethyl-dihydro-5H-pyran-2-one (tautomer)
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One, 5-Ethyltetrahydro- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for use as a synthetic intermediate. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available for every shipment upon request.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/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.