Description

4-((2-Chloro-4-Fluorobenzyl)Oxy)-Benzene-1-Sulfonyl Chloride is a high-purity, advanced pharmaceutical intermediate characterized by its sulfonyl chloride functional group. This compound is of significant commercial importance as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs. It is primarily required by R&D laboratories and production facilities in the pharmaceutical and agrochemical industries for developing new therapeutic agents and crop protection products.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel sulfonamide-based active pharmaceutical ingredients (APIs) for various therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new herbicides and fungicides, leveraging its bioactive sulfonyl chloride moiety.
• Chemical Research & Development: Serves as a versatile building block in organic synthesis for creating complex molecules in academic and industrial R&D settings.
• Material Science: Potential use in the synthesis of specialized polymers and functional materials requiring sulfonated components.

Basic Information

Product Name	4-((2-Chloro-4-Fluorobenzyl)Oxy)-Benzene-1-Sulfonyl Chloride
CAS No.	1036509-25-7
Molecular Formula	C13H9Cl2FO3S
Molecular Weight	335.18 g/mol
Synonyms	1-Chloro-4-[(2-chloro-4-fluorophenyl)methoxy]benzene-4-sulfonyl chloride; 4-[(2-Chloro-4-fluorobenzyl)oxy]benzenesulfonyl chloride; 4-(2-Chloro-4-fluorobenzyloxy)benzenesulfonyl chloride; Benzenesulfonyl chloride, 4-[(2-chloro-4-fluorophenyl)methoxy]-; 4-(2-Chloro-4-fluorobenzyloxy)phenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-((2-Chloro-4-Fluorobenzyl)Oxy)-Benzene-1-Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical synthesis workflows.

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. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.