Description

Ethanone, 1-(2-Bromocyclopropyl)-, trans- (9Ci) is a specialized brominated cyclopropane derivative, serving as a high-value synthetic intermediate in advanced organic chemistry. Its unique strained-ring structure and reactive bromine substituent make it a critical building block for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those containing cyclopropane motifs for bioactivity modulation.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive halogen for cross-coupling reactions.
• Material Science Research: Building block for creating specialized polymers or liquid crystals with unique thermal or optical properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for cyclopropanation studies, ring-opening reactions, and as a scaffold for library synthesis in medicinal chemistry.
• Chemical Biology Probe Development: Useful for synthesizing molecular probes to study enzyme mechanisms or biological pathways due to its electrophilic bromine handle.

Basic Information

Product Name	Ethanone, 1-(2-Bromocyclopropyl)-, trans- (9Ci)
CAS No.	66236-38-2
Molecular Formula	C5H7BrO
Molecular Weight	163.01 g/mol
Synonyms	trans-1-(2-Bromocyclopropyl)ethanone; 1-(trans-2-Bromocyclopropyl)ethanone; 2-Bromocyclopropyl methyl ketone; trans-2-Bromo-1-acetylcyclopropane; (1R,2S)-1-(2-Bromocyclopropyl)ethanone (and its enantiomer); Bromocyclopropyl methyl ketone; 66236-38-2; Ethanone, 1-(2-bromocyclopropyl)-, (1R,2S)-rel-
EINECS	Contact for details

Quality Control

Our Ethanone, 1-(2-Bromocyclopropyl)-, trans- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay (by GC/HPLC), isomeric purity, and impurity profile is provided with every shipment to support your R&D and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be sensitive to moisture and prolonged exposure to air; consider storage under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
Isomeric Purity (trans-)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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