Description

3-Methyl-1,2-Cyclobutanedicarboxylic Acid Dimethyl Ester is a high-purity, versatile diester building block used in advanced organic synthesis. Its unique strained cyclobutane ring structure makes it a valuable precursor for developing novel pharmaceuticals, agrochemicals, and specialty polymers. This compound is essential for research and development chemists in fine chemical, pharmaceutical, and material science industries seeking to create complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs) and complex natural product analogs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for producing specialty polymers with unique thermal and mechanical properties.
• Ligand and Catalyst Development: Employed in the preparation of novel chiral ligands and organometallic catalysts for asymmetric synthesis.
• Flavor and Fragrance Industry: Potential intermediate for the synthesis of specific musk or woody odorant molecules.
• Academic and Industrial R&D: A valuable tool for methodological studies in ring-opening, esterification, and cycloaddition reactions.

Basic Information

Product Name	3-Methyl-1,2-Cyclobutanedicarboxylic Acid Dimethyl Ester
CAS No.	14132-19-5
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	Dimethyl 3-Methyl-1,2-cyclobutanedicarboxylate; 1,2-Cyclobutanedicarboxylic Acid, 3-Methyl-, Dimethyl Ester; 3-Methylcyclobutane-1,2-dicarboxylic Acid Dimethyl Ester; Methyl 3-Methyl-1,2-cyclobutanedicarboxylate
EINECS	Contact for details

Quality Control

Our 3-Methyl-1,2-Cyclobutanedicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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