Description

2-Ethyl-4-oxo-4H-pyran-3-yl butyrate is a specialized organic ester compound, valued for its role as a versatile synthetic intermediate and building block in advanced chemical synthesis. Its molecular structure makes it a key precursor for developing complex heterocyclic compounds and fine chemicals. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for compounds with pyran or related heterocyclic cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides, where its structure can be incorporated into molecules with specific biological activity.
• Fine Chemical Production: Acts as a key starting material or intermediate in the manufacture of dyes, pigments, flavors, and fragrances requiring complex ester and heterocyclic chemistry.
• Material Science Research: Employed in the development of advanced polymers, liquid crystals, or organic electronic materials due to its potential for functionalization.
• Academic & Industrial R&D: Utilized in organic chemistry laboratories for method development, catalysis studies, and exploring new synthetic pathways.

Basic Information

Product Name	2-Ethyl-4-oxo-4H-pyran-3-yl butyrate
CAS No.	93805-72-2
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	3-Butyryloxy-2-ethyl-4H-pyran-4-one; 2-Ethyl-4-oxo-4H-pyran-3-yl butanoate; Butanoic acid, 2-ethyl-4-oxo-4H-pyran-3-yl ester; 2-Ethyl-3-butyryloxy-4-pyrone; 4-Oxo-2-ethyl-4H-pyran-3-yl butyrate; 3-Butyryloxy-2-ethyl-4-pyrone; 2-Ethyl-4-oxo-4H-pyran-3-carboxylic acid butyl ester (common misnomer)
EINECS	Contact for details

Quality Control

Our 2-Ethyl-4-oxo-4H-pyran-3-yl butyrate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request. We are committed to meeting the stringent requirements of research and cGMP-guided production environments.

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 heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.