Description

Bicyclo[1.1.0]Butane-1-Carboxylic Acid, 1-Methylethyl Ester (9Ci) is a high-value, strained bicyclic organic compound, specifically the isopropyl ester of bicyclo[1.1.0]butane-1-carboxylic acid. This unique structure makes it a critical advanced intermediate and building block in sophisticated organic synthesis, particularly for constructing complex three-dimensional molecular frameworks. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the discovery of novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, especially those requiring strained, three-dimensional core structures to modulate biological activity and improve pharmacokinetic properties.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its unique bicyclic framework can contribute to novel modes of action.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of polymers with specific mechanical or thermal properties derived from its strained ring system.
• Ligand and Catalyst Development: Employed in the creation of specialized ligands for asymmetric catalysis or as a scaffold for catalyst design in organic transformations.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic chemistry, particularly in cycloaddition reactions and ring-opening polymerizations.

Basic Information

Product Name	Bicyclo[1.1.0]Butane-1-Carboxylic Acid, 1-Methylethyl Ester (9Ci)
CAS No.	129847-28-5
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Isopropyl bicyclo[1.1.0]butane-1-carboxylate; 1-Isopropoxycarbonylbicyclo[1.1.0]butane; Bicyclo[1.1.0]butane-1-carboxylic acid isopropyl ester; 1-Methylethyl bicyclo[1.1.0]butane-1-carboxylate; 129847-28-5 (CAS); Bicyclo[1.1.0]butyl-1-carboxylic acid isopropyl ester
EINECS	Contact for details

Quality Control

Our Bicyclo[1.1.0]Butane-1-Carboxylic Acid, 1-Methylethyl Ester (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. For long-term storage, we recommend keeping the material at temperatures between 2°C and 8°C under an inert atmosphere to maintain stability and purity. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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