Description

Cyclopropene, 1-Bromo-2-Ethyl- (9Ci) CAS NO 157978-66-0 is a specialized halogenated cyclopropene derivative, a high-value building block in advanced organic synthesis. Its strained three-membered ring and reactive bromoethyl substituent make it a critical precursor 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: Serves as a key synthon in the research and development of novel drug candidates, particularly for creating strained-ring scaffolds.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the cyclopropene ring can impart unique biological activity.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of novel polymers with specific thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in cycloaddition reactions, ring-opening polymerizations, and as a precursor for other functionalized cyclopropanes in academic and industrial R&D.
• Ligand and Catalyst Development: Utilized to synthesize novel ligands for transition metal catalysis, enabling new synthetic methodologies.

Basic Information

Item	Details
Product Name	Cyclopropene, 1-Bromo-2-Ethyl- (9Ci)
CAS No.	157978-66-0
Molecular Formula	C5H7Br
Molecular Weight	147.01 g/mol
Synonyms	1-Bromo-2-ethylcyclopropene; 2-Ethyl-1-bromocyclopropene; 1-Bromo-2-ethylcycloprop-1-ene; Bromoethylcyclopropene; (Bromoethyl)cyclopropene
EINECS	Contact for details

Quality Control

Every batch of Cyclopropene, 1-Bromo-2-Ethyl- (9Ci) is manufactured and analyzed under strict quality management protocols to ensure consistency and purity for research and development applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity (by GC or NMR), identity confirmation, and impurity profiles. Our quality systems are designed to support cGMP and ISO standards for traceability and reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its reactivity with strong acids and organic solvents, keep away from incompatible materials. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

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