Description

Cycloheptanol, 2-Ethyl-3-Methylene-, (1S,2S)- (9Ci) is a chiral, functionalized cycloheptanol derivative characterized by its specific stereochemistry and an exocyclic methylene group. This compound serves as a valuable advanced pharmaceutical intermediate (API intermediate) and a versatile chiral building block for complex organic synthesis. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key chiral synthon in the research and production of novel therapeutic agents, particularly where the cycloheptane scaffold is required.
• Agrochemical Synthesis: Building block for developing new generation pesticides and herbicides with specific stereochemical activity.
• Fine Chemical Production: Used in the synthesis of specialty chemicals, flavors, fragrances, and performance materials.
• Asymmetric Catalysis Research: Valuable substrate or ligand precursor in academic and industrial research focused on stereoselective reactions.
• Material Science: Potential monomer or modifier for creating polymers with unique cyclic structures and properties.

Basic Information

Item	Details
Product Name	Cycloheptanol, 2-Ethyl-3-Methylene-, (1S,2S)- (9Ci)
CAS No.	678144-56-4
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	(1S,2S)-2-Ethyl-3-methylidenecycloheptan-1-ol; (1S,2S)-2-Ethyl-3-methylenecycloheptanol; 2-Ethyl-3-methylene-(1S,2S)-cycloheptanol; Chiral 2-Ethyl-3-methylenecycloheptanol; (1S,2S)-rel-2-Ethyl-3-methylenecycloheptanol
EINECS	Contact for details

Quality Control

Our Cycloheptanol, 2-Ethyl-3-Methylene-, (1S,2S)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis (HPLC/GC), to ensure high chemical and stereochemical purity suitable for demanding synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. The compound may be sensitive to moisture and oxidation; consider storage under an inert atmosphere for optimal shelf life.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de (diastereomeric excess)
Water Content (KF)	≤ 0.5%

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