Description

1-Pentanone, 2-Bromo-1-Cyclopropyl- (9Ci) is a specialized brominated ketone building block with a unique cyclopropyl substituent, offering a reactive handle for advanced synthetic transformations. This compound is valued for its ability to introduce both carbonyl and bromoalkyl functionalities in a single molecule, enabling the construction of complex molecular architectures. It is primarily sought by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors for use in organic synthesis, medicinal chemistry, and the development of novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring cyclopropane or brominated ketone motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its reactive halogen for coupling reactions.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex organic molecules, including natural product analogs and specialty chemicals.
• Medicinal Chemistry: Utilized in structure-activity relationship (SAR) studies and lead optimization campaigns to explore new chemical space.
• Material Science Research: Acts as a precursor for monomers or functional additives in the development of polymers with specific properties.
• Cross-Coupling Reactions: Functions as an electrophilic partner in various metal-catalyzed cross-coupling reactions (e.g., Suzuki, Negishi).

Basic Information

Product Name	1-Pentanone, 2-Bromo-1-Cyclopropyl- (9Ci)
CAS No.	34650-67-4
Molecular Formula	C8H13BrO
Molecular Weight	205.09 g/mol
Synonyms	2-Bromo-1-cyclopropyl-1-pentanone; 2-Bromo-1-cyclopropylpentan-1-one; 1-Cyclopropyl-2-bromopentan-1-one; Bromo Cyclopropyl Pentanone; α-Bromo-α-cyclopropyl butyl ketone
EINECS	Contact for details

Quality Control

Our 1-Pentanone, 2-Bromo-1-Cyclopropyl- (9Ci) is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for research and development materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

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