Description

2-Cyclohexene-1-Carboxaldehyde, 1-Ethyl-4-Oxo-, (1S)- (9Ci) is a high-purity, chiral aldehyde building block of significant interest in advanced organic synthesis. Its unique structure, featuring both an aldehyde and a ketone functional group on a cyclohexene ring, makes it a versatile precursor for constructing complex, stereodefined molecules. This compound is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the development of advanced crop protection agents and herbicides, leveraging its reactive aldehyde group.
• Asymmetric Catalysis Research: Serves as a valuable substrate or ligand precursor in the development of new catalytic asymmetric reactions.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrances, flavors, and other specialty organic compounds.
• Academic & Industrial R&D: A critical tool for chemists exploring new reaction methodologies and constructing molecular libraries for screening.

Basic Information

Item	Details
Product Name	2-Cyclohexene-1-Carboxaldehyde, 1-Ethyl-4-Oxo-, (1S)- (9Ci)
CAS No.	712323-92-7
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	(1S)-1-Ethyl-4-oxo-2-cyclohexene-1-carboxaldehyde; (S)-1-Ethyl-4-oxo-2-cyclohexenecarbaldehyde; 1-Ethyl-4-oxo-2-cyclohexenecarboxaldehyde, (S)-; 2-Cyclohexene-1-carboxaldehyde, 1-ethyl-4-oxo-, (1S)-; (S)-1-Ethyl-4-oxocyclohex-2-enecarbaldehyde; (S)-1-Ethyl-4-oxocyclohex-2-enecarboxaldehyde; 712323-92-7; (S)-1-Ethyl-4-oxo-2-cyclohexenecarbaldehyde
EINECS	Contact for details

Quality Control

Our 2-Cyclohexene-1-Carboxaldehyde, 1-Ethyl-4-Oxo-, (1S)- (9Ci) is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing parameters such as chiral purity, chemical assay, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. 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
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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