Description

4-Ethyltetrahydro-5-oxofuran-3-acetic acid is a versatile lactone derivative and a key chiral building block in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the pharmaceutical sector where precise stereochemistry is critical. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides requiring specific stereochemical configurations.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and other high-value specialty chemicals.
• Academic & Industrial Research: A valuable reagent in methodological development and asymmetric synthesis studies within R&D laboratories.
• Material Science Precursor: Potential use in the synthesis of monomers for specialized polymers.

Basic Information

Product Name	4-Ethyltetrahydro-5-oxofuran-3-acetic Acid
CAS No.	6544-33-8
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	4-Ethyltetrahydro-5-oxo-3-furanacetic Acid; 3-Carboxymethyl-4-ethyl-γ-butyrolactone; 4-Ethyl-5-oxotetrahydrofuran-3-acetic Acid; 4-Ethyl-3-furanacetic acid, tetrahydro-5-oxo-; 5-Oxo-4-ethyltetrahydrofuran-3-acetic Acid; (4-Ethyl-5-oxotetrahydrofuran-3-yl)acetic Acid; γ-Lactone derivative of 4-ethyl-5-oxo-3-furanacetic acid
EINECS	Contact for details

Quality Control

Our 4-Ethyltetrahydro-5-oxofuran-3-acetic acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chiral purity assessment, to ensure it meets the high standards required for synthetic applications. We provide comprehensive Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data (HPLC, GC, NMR) upon request, supporting your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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