Description

2-Cyclohexene-1-Carboxylicacid,2-Ethyl-1-Methyl-4-Oxo-,Ethylester,(1S)-(9Ci) is a high-purity, chiral organic compound belonging to the class of substituted cyclohexene carboxylate esters. This product is a critical advanced pharmaceutical intermediate (API) and a versatile building block in asymmetric synthesis. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of complex drug candidates, particularly for central nervous system (CNS) and anti-inflammatory agents.
• Agrochemical Synthesis: Used as a precursor in the development of advanced pesticides and herbicides with specific stereochemical activity.
• Fine Chemical Manufacturing: Serves as a versatile building block for producing specialty chemicals, flavors, and fragrances requiring high enantiomeric purity.
• Asymmetric Catalysis Research: Employed in academic and industrial R&D for studying and developing new chiral catalysts and synthetic methodologies.
• Material Science Precursor: Potential use in the synthesis of specialized polymers and liquid crystals where the specific stereochemistry influences material properties.

Basic Information

Product Name	2-Cyclohexene-1-Carboxylicacid,2-Ethyl-1-Methyl-4-Oxo-,Ethylester,(1S)-(9Ci)
CAS No.	428454-90-4
Molecular Formula	C12H18O3
Molecular Weight	210.27 g/mol
Synonyms	(1S)-2-Ethyl-1-methyl-4-oxo-2-cyclohexene-1-carboxylic acid ethyl ester; Ethyl (1S)-2-ethyl-1-methyl-4-oxo-2-cyclohexene-1-carboxylate; (S)-Ethyl 2-ethyl-1-methyl-4-oxo-2-cyclohexenecarboxylate; 2-Cyclohexene-1-carboxylic acid, 2-ethyl-1-methyl-4-oxo-, ethyl ester, (1S)-; (9CI) 428454-90-4; Chiral Cyclohexenone Ester; (S)-Enantiomer of Ethyl 2-ethyl-1-methyl-4-oxocyclohex-2-enecarboxylate
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and high enantiomeric purity. Quality is verified through advanced analytical techniques including Chiral HPLC, GC, and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, purity, chiral excess, and impurity profiles is provided with each shipment to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound may be sensitive to prolonged exposure to heat and moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% e.e.
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.