Description

1-Cyclobutene-1-Carboxylicacid,3,3-Difluoro-,Methylester(9Ci) is a high-value fluorinated cyclobutene derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring a strained cyclobutene ring and difluoro substitution, makes it an essential precursor for developing novel compounds with tailored properties. This specialty chemical is primarily utilized by research and development teams in the pharmaceutical and agrochemical industries for creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting enzyme inhibition or receptor modulation.
• Agrochemical Research: Used in the synthesis of new-generation herbicides, pesticides, and plant growth regulators that leverage fluorine's bioactivity-enhancing properties.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced materials with unique thermal or chemical resistance.
• Fluorine Chemistry Building Block: Essential for constructing complex fluorinated organic molecules in academic and industrial research laboratories.
• Ligand and Catalyst Development: Employed in the synthesis of novel ligands and organometallic catalysts for asymmetric synthesis and other catalytic processes.

Basic Information

Item	Details
Product Name	1-Cyclobutene-1-Carboxylicacid,3,3-Difluoro-,Methylester(9Ci)
CAS No.	73131-48-3
Molecular Formula	C7H8F2O2
Molecular Weight	162.13 g/mol
Synonyms	Methyl 3,3-difluorocyclobut-1-ene-1-carboxylate; 3,3-Difluorocyclobut-1-ene-1-carboxylic Acid Methyl Ester; 1-Cyclobutene-1-carboxylic acid, 3,3-difluoro-, methyl ester; Methyl 3,3-difluoro-1-cyclobutene-1-carboxylate; 73131-48-3; Difluorocyclobutenecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 1-Cyclobutene-1-Carboxylicacid,3,3-Difluoro-,Methylester(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong acids, strong bases, and oxidizing agents. Due to its reactivity with strong acid/organic solvent and fluoride/strong alkali systems, ensure proper segregation in storage.

Specification

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