Description

Spiro[2.3]Hexane-5-Carboxylic Acid, Ethyl Ester (9Ci) is a specialized spirocyclic organic building block with a unique bridged-ring structure. This compound is valued for its rigid, three-dimensional geometry, which is highly sought after in advanced pharmaceutical and agrochemical research for modulating the physical and biological properties of target molecules. It serves as a critical intermediate for medicinal chemists and R&D professionals in developing novel active ingredients, particularly for applications requiring complex stereochemistry and enhanced metabolic stability.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of novel drug candidates, especially for central nervous system (CNS) and antiviral therapies.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides with improved efficacy and environmental profiles.
• Ligand & Catalyst Development: Employed in the design of sophisticated chiral ligands and organocatalysts for asymmetric synthesis.
• Material Science: Serves as a monomer or additive for creating polymers with unique thermal and mechanical properties.
• Chemical Biology: Utilized as a molecular probe or scaffold in studying protein-ligand interactions and biological pathways.
• Flavor & Fragrance Chemistry: Acts as a precursor for synthesizing complex odorants and flavor compounds with specific stereochemical notes.

Basic Information

Product Name	Spiro[2.3]Hexane-5-Carboxylic Acid, Ethyl Ester (9Ci)
CAS No.	342616-10-8
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Ethyl Spiro[2.3]hexane-5-carboxylate; Ethyl 5-Spiro[2.3]hexanecarboxylate; 5-Carbethoxy-spiro[2.3]hexane; Spiro[2.3]hexane-5-carboxylic acid ethyl ester; 342616-10-8; Ethyl bicyclo[2.1.1]hexane-1-carboxylate (related structural name); 1-Ethoxycarbonylspiro[2.3]hexane
EINECS	Contact for details

Quality Control

Our Spiro[2.3]Hexane-5-Carboxylic Acid, Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (if chiral)	Contact for details

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