Description

Cyclobutanecarboxylic Acid, 2,3-Bis(Methylene)-, Ethyl Ester (9Ci) is a specialized organic compound featuring a cyclobutane ring core with exocyclic methylene groups, serving as a valuable synthetic intermediate. Its unique strained-ring structure and reactive diene functionality make it a critical building block for advanced organic synthesis, enabling the construction of complex molecular architectures. This high-purity chemical is essential for research and development in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those requiring complex, strained carbocyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive sites for structural diversification.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions and other cycloadditions to construct complex natural product analogs and fine chemicals.
• Chemical Research & Development: Serves as a standard or reagent in methodological studies for new synthetic transformations involving strained ring systems.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 2,3-Bis(Methylene)-, Ethyl Ester (9Ci)
CAS No.	112621-88-2
Molecular Formula	C10H12O2
Molecular Weight	164.20 g/mol
Synonyms	Ethyl 2,3-Bis(methylene)cyclobutanecarboxylate; 2,3-Bis(methylene)cyclobutanecarboxylic Acid Ethyl Ester; Cyclobutanecarboxylic acid, 2,3-bis(methylene)-, ethyl ester; Ethyl 2,3-Dimethylenecyclobutanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclobutanecarboxylic Acid, 2,3-Bis(Methylene)-, Ethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high chemical purity and identity. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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