Description

Cyclobutanecarboxylic Acid, 3-Methyl-, Ethyl Ester (6Ci) is a specialized organic ester building block of significant interest in advanced chemical synthesis. This compound matters as a key chiral intermediate for constructing complex molecular architectures, particularly in the pharmaceutical sector. It is primarily needed by R&D chemists and process development scientists in pharmaceutical, agrochemical, and fine chemical industries for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: Serves as a crucial chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its constrained cyclobutane ring structure.
• Ligand and Catalyst Development: Acts as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Fragrance and Flavor Chemistry: Employed in the creation of novel aroma chemicals with unique olfactory properties due to its ester functionality and specific stereochemistry.
• Material Science Research: Investigated as a monomer or cross-linking agent for producing polymers with tailored thermal and mechanical properties.
• Academic and R&D Laboratories: Utilized in methodological studies and the exploration of new organic reactions involving strained ring systems.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 3-Methyl-, Ethyl Ester (6Ci)
CAS No.	99769-39-8
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	Ethyl 3-Methylcyclobutanecarboxylate; 3-Methylcyclobutanecarboxylic Acid Ethyl Ester; Ethyl 3-Methyl-1-cyclobutanecarboxylate; 6Ci (code name); (3-Methylcyclobutyl)carboxylic Acid Ethyl Ester; NSC 406305; 1-Cyclobutanecarboxylic Acid, 3-Methyl-, Ethyl Ester
EINECS	Contact for details

Quality Control

Our Cyclobutanecarboxylic Acid, 3-Methyl-, Ethyl Ester (6Ci) is produced under strict quality management systems. We offer material suitable for research and development purposes, with typical purity grades exceeding 95% (by GC or HPLC). Each batch is characterized and undergoes rigorous analytical testing. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

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 bases and incompatible materials such as strong oxidizing agents. 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/HPLC)	≥ 95.0%
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.