Description

3-(4-Bromophenyl)Cyclopentanone is a versatile brominated aromatic ketone building block of significant interest in advanced organic synthesis. Its molecular structure, featuring a cyclopentanone ring linked to a para-brominated phenyl group, makes it a critical precursor for constructing complex molecules. This compound is primarily utilized by research and development chemists and process development scientists in the pharmaceutical and agrochemical industries. Its reliable quality and consistent performance are essential for efficient scale-up and process optimization.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders and inflammation.
• Agrochemical Synthesis: Serves as a foundational component in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Used in the preparation of specialized ligands for transition metal catalysis and organocatalysts, enabling novel synthetic transformations.
• Material Science Research: Acts as a monomer or functionalizing agent in the synthesis of specialty polymers and organic electronic materials.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and protein functions.
• Custom Synthesis and Contract Manufacturing: A high-purity starting material for custom synthesis projects and contract research organizations (CROs/CMOs) serving the global chemical industry.

Basic Information

Product Name	3-(4-Bromophenyl)Cyclopentanone
CAS No.	909248-46-0
Molecular Formula	C11H11BrO
Molecular Weight	239.11 g/mol
Synonyms	3-(4-Bromophenyl)cyclopentan-1-one; 1-Cyclopentanone, 3-(4-bromophenyl)-; 4-Bromo-α,2-cyclopentylidenebenzenemethanol; 3-(p-Bromophenyl)cyclopentanone; (4-Bromophenyl)cyclopentanone; Cyclopentanone, 3-(4-bromophenyl)-; 909248-46-0
EINECS	Contact for details

Quality Control

Our 3-(4-Bromophenyl)Cyclopentanone is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to confirm identity and purity. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with your internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents and bases. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.