Description

2-Pentanone, 5-(Methylenecyclopropyl)- (9Ci) is a specialized organic ketone featuring a unique methylenecyclopropyl functional group. This structural motif makes it a valuable and versatile building block in advanced organic synthesis and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the fine chemical and pharmaceutical industries for creating novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly those requiring cyclopropane or strained ring systems.
• Fine Chemical Synthesis: Used as a specialized precursor for synthesizing complex organic molecules, including natural product analogs and agrochemicals.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of novel polymers with specific thermal or mechanical properties.
• Ligand and Catalyst Development: Employed in the preparation of novel chelating ligands or organocatalysts for asymmetric synthesis.
• Flavor & Fragrance Chemistry: Potential use in the synthesis of unique aroma compounds due to its ketone functionality and complex hydrocarbon backbone.

Basic Information

Product Name	2-Pentanone, 5-(Methylenecyclopropyl)- (9Ci)
CAS No.	226082-31-1
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	5-(Methylenecyclopropyl)pentan-2-one; 5-(Methylenecyclopropyl)-2-pentanone; 2-Pentanone, 5-(methylenecyclopropyl)-; (Methylenecyclopropyl)pentanone
EINECS	Contact for details

Quality Control

Our 2-Pentanone, 5-(Methylenecyclopropyl)- (9Ci) is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

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