Description

1-Bromo-4-Cyclopropylbenzene is a versatile halogenated aromatic building block of significant importance in advanced organic synthesis. Its unique structure, featuring a bromine atom and a cyclopropyl group on a benzene ring, makes it a critical intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a cyclopropylbenzene scaffold.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides where the cyclopropyl moiety enhances biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and cross-coupling reactions.
• Material Science Research: Employed in the synthesis of organic electronic materials, liquid crystals, and advanced polymers.
• Cross-Coupling Reactions: Acts as an excellent substrate in Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to form biaryl systems.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process chemistry research in both academic and industrial settings.

Basic Information

Product Name	1-Bromo-4-Cyclopropylbenzene
CAS No.	1124-14-7
Molecular Formula	C9H9Br
Molecular Weight	197.07 g/mol
Synonyms	4-Bromophenylcyclopropane; (4-Bromophenyl)cyclopropane; p-Bromocyclopropylbenzene; 4-Cyclopropylbromobenzene; 1-Bromo-4-cyclopropyl-benzene; Cyclopropyl(p-bromophenyl); Bromocyclopropylbenzene
EINECS	Contact for details

Quality Control

Our 1-Bromo-4-Cyclopropylbenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

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 bases. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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