Description

3-Furancarboxaldehyde, 5-Ethyltetrahydro-3-Methyl-2-Oxo-, trans- (9Ci) is a specialized furan derivative with a complex, partially saturated structure, identified by CAS number 170501-57-2. This compound serves as a valuable chiral building block and intermediate in advanced organic synthesis, prized for its unique stereochemistry and functional group arrangement. It is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in constructing complex heterocyclic cores.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its furan scaffold for biological activity.
• Flavor & Fragrance Chemistry: Acts as a precursor for synthesizing novel aroma chemicals and flavoring agents due to its furan-based structure.
• Material Science Research: Employed in the development of specialty polymers and functional materials that require specific molecular architectures.
• Academic & Industrial R&D: Serves as a standard or starting material in methodological studies and process chemistry optimization.

Basic Information

Product Name	3-Furancarboxaldehyde, 5-Ethyltetrahydro-3-Methyl-2-Oxo-, trans- (9Ci)
CAS No.	170501-57-2
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	trans-5-Ethyltetrahydro-3-methyl-2-oxo-3-furancarboxaldehyde; 3-Furancarboxaldehyde, 5-ethyltetrahydro-3-methyl-2-oxo-, trans-; (3R,5R)-5-Ethyl-3-methyl-dihydrofuran-2(3H)-one-3-carboxaldehyde; 5-Ethyl-3-methyl-2-oxotetrahydrofuran-3-carbaldehyde (trans); Tetrahydrofuran-3-carboxaldehyde derivative
EINECS	Contact for details

Quality Control

Every batch of 3-Furancarboxaldehyde, 5-Ethyltetrahydro-3-Methyl-2-Oxo-, trans- (9Ci) is produced and tested under strict quality management protocols. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive analytical testing, including chiral purity and impurity profiling, is performed. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with each shipment to guarantee traceability and consistency for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach room temperature before opening to minimize moisture ingress. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (trans isomer)
Water Content (KF)	≤ 0.5%

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