Description

2-Cyclohexen-1-One, 3-Ethynyl-5-Hydroxy-2-Methyl-, (S)- (9Ci) is a high-purity, chiral organic building block of significant interest in advanced synthetic chemistry. Its unique molecular architecture, featuring both an ethynyl group and a hydroxylated cyclohexenone core, makes it a versatile precursor for constructing complex, stereodefined molecules. This compound is primarily utilized by research and development teams in the pharmaceutical and fine chemical industries for the synthesis of novel active pharmaceutical ingredients (APIs) and specialty intermediates.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in areas requiring complex stereochemistry.
• Fine Chemical Synthesis: Serves as a versatile building block for constructing complex natural product analogs and specialty chemicals.
• Asymmetric Catalysis Research: Used as a substrate or ligand precursor in the development of new catalytic asymmetric reactions.
• Material Science Research: Potential monomer or precursor for advanced polymeric materials with specific optical or structural properties.
• Agrochemical Intermediate: Employed in the synthesis of advanced, targeted crop protection agents with improved efficacy.
• Academic & Industrial R&D: A valuable tool for chemists exploring new reaction methodologies and molecular architectures in both university and corporate settings.

Basic Information

Product Name	2-Cyclohexen-1-One, 3-Ethynyl-5-Hydroxy-2-Methyl-, (S)- (9Ci)
CAS No.	169305-52-6
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	(S)-3-Ethynyl-5-hydroxy-2-methylcyclohex-2-en-1-one; (S)-3-Ethynyl-5-hydroxy-2-methyl-2-cyclohexen-1-one; 3-Ethynyl-5-hydroxy-2-methyl-2-cyclohexen-1-one, (S)-; 2-Cyclohexen-1-one, 3-ethynyl-5-hydroxy-2-methyl-, (S)-; 169305-52-6; (S)-form of 3-Ethynyl-5-hydroxy-2-methylcyclohex-2-enone
EINECS	Contact for details

Quality Control

Our 2-Cyclohexen-1-One, 3-Ethynyl-5-Hydroxy-2-Methyl-, (S)- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure high chemical and isomeric purity suitable for demanding R&D and scale-up applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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