Description

1-(Bromomethyl)-4-Cyclopentylbenzene is a high-purity, advanced pharmaceutical intermediate featuring a versatile benzyl bromide functional group. This compound is critical for medicinal chemistry research and development, enabling the synthesis of complex molecules through efficient alkylation and cross-coupling reactions. It is primarily sought after by R&D teams and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates, particularly in central nervous system (CNS) and oncology research.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging the cyclopentyl and bromomethyl motifs for bioactivity.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the creation of organic semiconductors and liquid crystals due to its aromatic and aliphatic structure.
• Cross-Coupling Reactions: An effective electrophile in Suzuki-Miyaura, Stille, and other palladium-catalyzed cross-coupling reactions to form biaryl systems.
• Custom Chemical Synthesis: Provides a handle for further functionalization in contract research and manufacturing (CRAM) for bespoke molecule production.

Basic Information

Item	Details
Product Name	1-(Bromomethyl)-4-Cyclopentylbenzene
CAS No.	1260851-03-3
Molecular Formula	C12H15Br
Molecular Weight	239.15 g/mol
Synonyms	4-Cyclopentylbenzyl Bromide; (4-Cyclopentylphenyl)methyl Bromide; p-Cyclopentylbenzyl Bromide; 1-(Bromomethyl)-4-cyclopentyl-benzene; α-Bromo-4-cyclopentyltoluene; Bromo(4-cyclopentylphenyl)methane
EINECS	Contact for details

Quality Control

Our 1-(Bromomethyl)-4-Cyclopentylbenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing identity, purity, 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, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (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.