Description

Cyclobutanecarboxylic Acid, 2-Ethenyl-, Ethyl Ester, (1S,2R)- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of complex, biologically active molecules, offering precise control over molecular architecture. It is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for creating novel active ingredients, as well as by specialty chemical manufacturers focused on fine chemical and fragrance synthesis.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in stereoselective synthesis.
• Agrochemical Synthesis: Used in the creation of advanced, enantiomerically pure pesticides and herbicides with targeted activity.
• Fine Chemical Production: Serves as a specialized building block for synthesizing complex organic molecules in custom manufacturing and process development.
• Fragrance & Flavor Chemistry: Potential use in the synthesis of novel, structurally unique aroma chemicals due to its constrained cyclobutane ring and functional groups.
• Academic & Industrial Research: Employed in methodological studies and catalysis research focused on cyclobutane chemistry and stereocontrol.
• Material Science Precursor: Can be utilized in the development of novel monomers for specialized polymers with tailored properties.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 2-Ethenyl-, Ethyl Ester, (1S,2R)- (9Ci)
CAS No.	264614-04-2
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(1S,2R)-2-Ethenylcyclobutanecarboxylic acid ethyl ester; Ethyl (1S,2R)-2-vinylcyclobutanecarboxylate; (1S,2R)-Ethyl 2-vinylcyclobutanecarboxylate; (1S,2R)-2-Vinylcyclobutanecarboxylic Acid Ethyl Ester; (1S,2R)-rel-2-Ethenylcyclobutanecarboxylic Acid Ethyl Ester; (1S,2R)-2-Ethenyl-1-cyclobutanecarboxylic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our production of Cyclobutanecarboxylic Acid, 2-Ethenyl-, Ethyl Ester, (1S,2R)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Each lot undergoes rigorous analytical testing, including chiral HPLC, NMR, and GC-MS, to confirm identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided with every 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 controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

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

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