Description

1-Cyclobutene-1-Carboxylicacid,3,4-Dimethyl-,Methylester,cis-(9Ci) is a specialized cis-configured cyclobutene derivative that serves as a high-value synthetic intermediate. This compound matters for its unique strained-ring structure, which is pivotal in advanced organic synthesis for constructing complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for applications such as the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring strained carbocyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides where the cyclobutene core imparts specific biological activity.
• Material Science Research: Serves as a monomer or precursor in the development of advanced polymers with unique thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in [4+2] cycloaddition (Diels-Alder) reactions and other ring-opening or functionalization transformations in academic and industrial labs.
• Flavor & Fragrance Chemistry: Potential intermediate for creating complex, musky, or woody odorant molecules due to its bicyclic nature.
• Ligand & Catalyst Development: The ester and alkene functionalities make it a candidate for developing novel chiral ligands or organocatalysts.

Basic Information

Product Name	1-Cyclobutene-1-Carboxylicacid,3,4-Dimethyl-,Methylester,cis-(9Ci)
CAS No.	60697-52-1
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	cis-3,4-Dimethyl-1-cyclobutene-1-carboxylic acid methyl ester; Methyl cis-3,4-dimethylcyclobut-1-ene-1-carboxylate; 1-Cyclobutene-1-carboxylic acid, 3,4-dimethyl-, methyl ester, (1Z)-; (1Z)-3,4-Dimethyl-1-cyclobutene-1-carboxylic Acid Methyl Ester; 3,4-Dimethyl-1-cyclobutene-1-carboxylic acid methyl ester (cis); Methyl 3,4-dimethyl-1-cyclobutene-1-carboxylate
EINECS	Contact for details

Quality Control

Our 1-Cyclobutene-1-Carboxylicacid,3,4-Dimethyl-,Methylester,cis-(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results are available for every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
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.