Description

3-Furancarboxaldehyde, 5-Ethyltetrahydro-3-Methyl-2-Oxo-, cis- (9Ci) is a specialized furan derivative with a complex, partially saturated ring structure, identified by CAS number 170501-56-1. 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 sought 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 medicinal chemistry programs.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where specific stereochemistry is required for biological activity.
• Flavor & Fragrance (F&F) Industry: Acts as a precursor for synthesizing complex aroma chemicals and specialty flavoring agents.
• Fine Chemical Production: Employed in the multi-step synthesis of other high-value, complex organic molecules for research and industrial applications.
• Academic & Industrial R&D: Serves as a standard or starting material in methodological studies and process chemistry development within organic chemistry laboratories.

Basic Information

Product Name	3-Furancarboxaldehyde, 5-Ethyltetrahydro-3-Methyl-2-Oxo-, cis- (9Ci)
CAS No.	170501-56-1
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	cis-5-Ethyltetrahydro-3-methyl-2-oxo-3-furancarboxaldehyde; 3-Methyl-5-ethyltetrahydro-2-oxofuran-3-carboxaldehyde, cis-; 2-Oxo-3-furancarboxaldehyde, 5-ethyltetrahydro-3-methyl-, cis-; Tetrahydro-3-furaldehyde derivative; 3-Furaldehyde, tetrahydro derivative; (3S,5R)-5-Ethyl-3-methyltetrahydrofuran-2,3-dicarbaldehyde (related stereoisomer); Furan-3-carboxaldehyde derivative
EINECS	Contact for details

Quality Control

Our 3-Furancarboxaldehyde, 5-Ethyltetrahydro-3-Methyl-2-Oxo-, cis- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation needs.

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 area. Recommended long-term storage temperature is 2-8°C. Allow the container to reach ambient temperature before opening to minimize moisture ingress.

Specification

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

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