Description

3-Cyclobutene-1α,2α-Dicarboxylic Acid Dimethyl Ester is a high-purity, functionalized cyclobutene derivative that serves as a versatile and valuable synthetic intermediate. This compound is critical for constructing strained ring systems and complex molecular architectures in advanced organic synthesis. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications in medicinal chemistry and specialty polymer research.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing strained carbocyclic or fused ring systems.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with unique modes of action.
• Advanced Material Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in [4+2] cycloaddition (Diels-Alder) reactions and other ring-opening or functionalization transformations to create complex organic molecules.
• Academic & Industrial R&D: Essential tool compound for methodology development and exploring new chemical space in both university and corporate research laboratories.

Basic Information

Product Name	3-Cyclobutene-1α,2α-Dicarboxylic Acid Dimethyl Ester
CAS No.	42577-15-1
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; 3-Cyclobutene-1,2-dicarboxylic Acid, Dimethyl Ester; Cyclobut-3-ene-1,2-dicarboxylic Acid Dimethyl Ester; 1,2-Dimethoxycarbonyl-3-cyclobutene
EINECS	Contact for details

Quality Control

Our 3-Cyclobutene-1α,2α-Dicarboxylic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements of research and process chemistry. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided for every shipment to guarantee traceability and 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 controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.