Description

3-Cyclobutene-1,2-Dicarboxylicacid,Monomethylester,trans-(9Ci) is a high-purity, specialized organic intermediate characterized by its strained cyclobutene ring and trans-configuration of the dicarboxylic acid monomethyl ester groups. This compound matters as a versatile and valuable building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients, as well as by material scientists exploring new polymers and specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those requiring rigid, strained-ring scaffolds for biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides where its unique structure can impart specific modes of action.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of advanced polymers with tailored thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for [4+2] cycloaddition (Diels-Alder) reactions and other transformations to create complex, polycyclic compounds.
• Ligand and Catalyst Development: Provides a framework for creating novel chiral ligands or organocatalysts used in asymmetric synthesis.
• Fine Chemical Production: Utilized in the multi-step synthesis of dyes, flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3-Cyclobutene-1,2-Dicarboxylicacid,Monomethylester,trans-(9Ci)
CAS No.	149883-17-0
Molecular Formula	C8H8O4
Molecular Weight	168.15 g/mol
Synonyms	trans-3-Cyclobutene-1,2-dicarboxylic acid monomethyl ester; Monomethyl trans-cyclobut-3-ene-1,2-dicarboxylate; trans-1,2-Dicarbomethoxy-3-cyclobutene; (1R,2S)-rel-3-Cyclobutene-1,2-dicarboxylic acid monomethyl ester; 3-Cyclobutene-1,2-dicarboxylic acid, monomethyl ester, (1R,2S)-rel-; Methyl hydrogen trans-cyclobut-3-ene-1,2-dicarboxylate
EINECS	Contact for details

Quality Control

Our 3-Cyclobutene-1,2-Dicarboxylicacid,Monomethylester,trans-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, assay, and impurity profiles are available upon request. We are committed to meeting the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Handle and store under an inert atmosphere if prolonged storage is required to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay	≥ 96.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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