Description

1-Bromo-4-(Cyclopentanesulfonyl)Benzene is a high-purity, synthetically valuable organosulfur compound featuring a brominated benzene core linked to a cyclopentanesulfonyl group. This specific molecular architecture makes it a critical advanced pharmaceutical intermediate and a versatile building block in modern organic synthesis. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecules. Its utility lies in enabling key transformations such as cross-coupling reactions and serving as a precursor for sulfonamide-based active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those containing sulfonamide or aryl bromide pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides where the sulfonyl moiety is essential for bioactivity.
• Material Science Research: Serves as a monomer or precursor in the development of advanced polymers and functional materials with specific electronic or structural properties.
• Cross-Coupling Reactions: The aryl bromide functionality makes it an excellent substrate for palladium-catalyzed reactions like Suzuki, Heck, and Sonogashira couplings to create complex biaryl systems.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and protein interactions.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	1-Bromo-4-(Cyclopentanesulfonyl)Benzene
CAS No.	173387-45-6
Molecular Formula	C11H13BrO2S
Molecular Weight	289.19 g/mol
Synonyms	4-Bromophenyl cyclopentyl sulfone; p-Bromophenyl cyclopentyl sulfone; Cyclopentyl 4-bromophenyl sulfone; 1-Bromo-4-(cyclopentylsulfonyl)benzene; Benzene, 1-bromo-4-(cyclopentylsulfonyl)-; (4-Bromophenyl)(cyclopentyl)sulfone; 173387-45-6; 4-Bromobenzenecyclopentanesulfonate
EINECS	Contact for details

Quality Control

Our 1-Bromo-4-(Cyclopentanesulfonyl)Benzene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and structural integrity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and scale-up applications.

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). Keep away from strong oxidizing agents and strong bases. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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