Description

Cyclobutanone, 2-Chloro-3-Cyclopropyl-3-Methyl- is a high-purity, advanced pharmaceutical intermediate with the CAS number 139537-52-3. This compound is valued for its unique sterically hindered cyclobutanone core, which serves as a critical building block in the synthesis of complex bioactive molecules. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in central nervous system (CNS) and anti-infective drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its cyclopropyl and chlorinated functional groups.
• Chemical Research: Serves as a versatile scaffold in organic synthesis and medicinal chemistry for constructing complex, multi-cyclic molecular architectures.
• Material Science Precursor: Potential use in the synthesis of specialized polymers and ligands with tailored steric and electronic properties.

Basic Information

Product Name	Cyclobutanone, 2-Chloro-3-Cyclopropyl-3-Methyl-
CAS No.	139537-52-3
Molecular Formula	C8H11ClO
Molecular Weight	158.62 g/mol
Synonyms	2-Chloro-3-cyclopropyl-3-methylcyclobutanone; 3-Cyclopropyl-3-methyl-2-chlorocyclobutanone; 2-Chloro-3-cyclopropyl-3-methylcyclobutan-1-one; (2-Chloro-3-cyclopropyl-3-methylcyclobutyl)methanone; 139537-52-3; 2-Chloro-3-(cyclopropyl)-3-methylcyclobutanone
EINECS	Contact for details

Quality Control

Our Cyclobutanone, 2-Chloro-3-Cyclopropyl-3-Methyl- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your regulatory and R&D requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.