Description

Cyclobutanecarboxylic Acid, 1-Methyl-2-Methylene-, Methyl Ester (9Ci) is a specialized organic ester building block featuring a reactive methylene group on a cyclobutane ring system. This unique structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought by pharmaceutical and agrochemical R&D teams for constructing novel active ingredients and by academic and industrial chemists exploring new synthetic methodologies.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel drug candidates, particularly for constructing strained-ring scaffolds.
• Agrochemical Synthesis: Used in the development of new pesticides and herbicides, where the cyclobutane core can impart unique biological activity.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for the construction of complex natural products and specialty chemicals.
• Material Science Research: Investigated as a monomer or precursor for developing polymers with specific thermal or mechanical properties derived from the strained ring.
• Chemical Biology Probes: Utilized to create tagged molecules or probes for studying biological pathways and interactions.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 1-Methyl-2-Methylene-, Methyl Ester (9Ci)
CAS No.	470696-87-8
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Methyl 1-methyl-2-methylenebutane-1-carboxylate; Methyl 1-methyl-2-methylenecyclobutanecarboxylate; 1-Methyl-2-methylenebutane-1-carboxylic acid methyl ester; 1-Methyl-2-methylenecyclobutanecarboxylic acid methyl ester; Cyclobutanecarboxylic acid, 1-methyl-2-methylene-, methyl ester
EINECS	Contact for details

Quality Control

Our Cyclobutanecarboxylic Acid, 1-Methyl-2-Methylene-, Methyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. For long-term storage, it is recommended to keep the material under an inert atmosphere at temperatures between 2°C and 8°C to maintain stability. Keep away from heat, sparks, and open flame.

Specification

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

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