Description

3-Cyclobutene-1,2-Dicarboxylic Acid Dimethyl Ester is a high-purity, versatile chemical intermediate characterized by its strained cyclobutene ring and reactive diester functionality. This compound is valued for its role as a key building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those requiring strained-ring scaffolds for biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Polymer & Materials Science: Serves as a monomer or cross-linking agent for creating specialty polymers with unique thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions and other cycloadditions to construct complex, polycyclic organic molecules in academic and industrial research.
• Ligand & Catalyst Development: Utilized for synthesizing novel chelating ligands and organometallic complexes for catalytic applications.
• Fine Chemical Production: Acts as an intermediate in the multi-step synthesis of dyes, flavors, and fragrances.

Basic Information

Product Name	3-Cyclobutene-1,2-Dicarboxylic Acid Dimethyl Ester
CAS No.	60333-14-4
Molecular Formula	C8H10O4
Molecular Weight	170.16 g/mol
Synonyms	Dimethyl 3-Cyclobutene-1,2-dicarboxylate; 3-Cyclobutene-1,2-dicarboxylic Acid Dimethyl Ester; 1,2-Cyclobutenedicarboxylic Acid Dimethyl Ester; Dimethyl Cyclobut-3-ene-1,2-dicarboxylate; Cyclobut-3-ene-1,2-dicarboxylic Acid Dimethyl Ester; Dimethyl 1,2-Cyclobutenedicarboxylate; 3-Cyclobutene-1,2-dicarboxylate Dimethyl Ester
EINECS	Contact for details

Quality Control

Our 3-Cyclobutene-1,2-Dicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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