Description

3-Furancarboxylicacid,5-Ethoxy-4,5-Dihydro-2,4-Dimethyl-,Ethylester,trans-(9Ci) CAS NO 189079-04-7 is a specialized furan derivative ester, a high-purity intermediate of significant interest in advanced organic synthesis. Its unique dihydrofuran structure with ethoxy and ester functionalities makes it a valuable building block for constructing complex molecular architectures. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for constructing heterocyclic cores.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its furan ring system.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring specific stereochemistry.
• Material Science Research: Investigated as a monomer or additive for developing novel polymers with specific properties.
• Academic & Industrial R&D: Employed in methodological studies and as a reference standard in chemical research.

Basic Information

Item	Details
Product Name	3-Furancarboxylicacid,5-Ethoxy-4,5-Dihydro-2,4-Dimethyl-,Ethylester,trans-(9Ci)
CAS No.	189079-04-7
Molecular Formula	C12H18O4
Molecular Weight	226.27 g/mol
Synonyms	trans-5-Ethoxy-4,5-dihydro-2,4-dimethyl-3-furancarboxylic acid ethyl ester; Ethyl 5-ethoxy-4,5-dihydro-2,4-dimethyl-3-furoate; 3-Furoic acid, 5-ethoxy-4,5-dihydro-2,4-dimethyl-, ethyl ester, trans-; Ethyl trans-5-ethoxy-4,5-dihydro-2,4-dimethyl-3-furoate; 189079-04-7; 5-Ethoxy-4,5-dihydro-2,4-dimethyl-3-furancarboxylic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity. Our production of this intermediate adheres to strict in-process controls, and final product release is contingent upon passing comprehensive analytical testing. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your R&D and quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.