Description

4,5,5-Trimethyl-2-Oxo-2,5-Dihydro-Furan-3-Carboxylic Acid Ethyl Ester is a high-purity, versatile furan-based intermediate with significant synthetic utility. Its value lies in its role as a key building block for constructing complex molecular architectures in advanced organic synthesis. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those with heterocyclic frameworks.
• Agrochemical Synthesis: Used in the development of new pesticides, herbicides, and fungicides due to its reactive furanone structure.
• Fine Chemical Production: Serves as a building block for flavors, fragrances, and other high-value specialty chemicals.
• Material Science Research: Investigated as a monomer or precursor for polymers and advanced materials with specific optical or electronic properties.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new chemical reactions in organic chemistry.

Basic Information

Product Name	4,5,5-Trimethyl-2-Oxo-2,5-Dihydro-Furan-3-Carboxylic Acid Ethyl Ester
CAS No.	13156-09-7
Molecular Formula	C10H14O4
Molecular Weight	198.22 g/mol
Synonyms	Ethyl 4,5,5-Trimethyl-2-oxo-2,5-dihydrofuran-3-carboxylate; 3-Carbethoxy-4,5,5-trimethyl-2(5H)-furanone; 4,5,5-Trimethyl-2-oxo-2,5-dihydrofuran-3-carboxylic acid ethyl ester; Ethyl 4,5,5-trimethyl-2-oxo-2,5-dihydro-3-furancarboxylate; 3-Ethoxycarbonyl-4,5,5-trimethyl-2(5H)-furanone; 4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 4,5,5-Trimethyl-2-Oxo-2,5-Dihydro-Furan-3-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), identity (IR), and impurity profile is provided to guarantee it meets your research and production requirements.

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 heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.