Description

Cyclobutanecarboxylic Acid, 2-Ethenyl-, Methyl Ester, trans- (9Ci) is a specialized organic ester compound characterized by its cyclobutane ring and vinyl substituent. This high-purity intermediate is valued for its unique steric and electronic properties, making it a critical building block in advanced synthetic chemistry. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for candidates with complex cyclic structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the cyclobutane moiety can enhance biological activity and environmental profile.
• Material Science Research: Serves as a monomer or precursor in the development of novel polymers with specific thermal or mechanical properties.
• Organic Synthesis & Catalysis: Employed in academic and industrial laboratories for methodological studies, including cycloaddition reactions and asymmetric catalysis.
• Fragrance & Flavor Chemistry: Potential use as a precursor for synthesizing unique aroma chemicals with complex, woody, or green notes.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 2-Ethenyl-, Methyl Ester, trans- (9Ci)
CAS No.	79091-86-4
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	trans-2-Vinylcyclobutanecarboxylic acid methyl ester; Methyl trans-2-vinylcyclobutanecarboxylate; 2-Ethenylcyclobutanecarboxylic acid methyl ester, trans-; (1R,2S)-rel-2-Ethenylcyclobutanecarboxylic acid methyl ester; Methyl (1R,2S)-rel-2-vinylcyclobutanecarboxylate
EINECS	Contact for details

Quality Control

Our production of Cyclobutanecarboxylic Acid, 2-Ethenyl-, Methyl Ester, trans- (9Ci) adheres to stringent quality management protocols. Each batch is subjected to comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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 strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining under an inert atmosphere to preserve optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Isomeric Purity (trans-)	≥ 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.