Description

4-Cyclopentyloxy-Benzenesulfonyl Chloride is a specialized sulfonyl chloride derivative, a key building block in advanced organic synthesis. Its value lies in its reactive sulfonyl chloride group, which facilitates the introduction of the 4-cyclopentyloxy-benzenesulfonyl moiety into target molecules, enabling the creation of complex chemical architectures. This intermediate is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, particularly for creating sulfonamide-based compounds with targeted biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where the sulfonyl group can impart specific modes of action.
• Material Science Research: Serves as a monomer or functionalization agent in the development of advanced polymers and specialty materials with tailored properties.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes and inhibitors for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.

Basic Information

Product Name	4-Cyclopentyloxy-Benzenesulfonyl Chloride
CAS No.	914203-23-9
Molecular Formula	C11H13ClO3S
Molecular Weight	260.74 g/mol
Synonyms	4-(Cyclopentyloxy)benzenesulfonyl chloride; p-Cyclopentyloxybenzenesulfonyl chloride; Benzenesulfonyl chloride, 4-(cyclopentyloxy)-; 4-Cyclopentyloxybenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Cyclopentyloxy-Benzenesulfonyl Chloride is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR), to ensure it meets the high standards required for research and process development. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder 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.