Description

4-Chloro-3-Ethoxy-2-Fluorobenzenesulfonyl Chloride is a high-purity, multi-functional sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its molecular structure, featuring chloro, ethoxy, and fluoro substituents, makes it an exceptionally versatile electrophile for introducing the benzenesulfonyl moiety into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients, including kinase inhibitors and herbicides. The CAS number for this product is 1706430-95-6.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of biologically active molecules, particularly for developing targeted therapies and kinase inhibitors.
• Agrochemical Synthesis: Used in the research and production of next-generation herbicides and pesticides with improved efficacy and selectivity.
• Material Science: Building block for creating specialized polymers and advanced materials with specific surface properties.
• Chemical Research & Development: A versatile reagent for introducing sulfonamide groups in medicinal chemistry and process development.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and functional pigments.

Basic Information

Product Name	4-Chloro-3-Ethoxy-2-Fluorobenzenesulfonyl Chloride
CAS No.	1706430-95-6
Molecular Formula	C8H7Cl2FO3S
Molecular Weight	273.11 g/mol
Synonyms	2-Fluoro-4-chloro-3-ethoxybenzenesulfonyl chloride; 4-Chloro-3-ethoxy-2-fluorobenzene-1-sulfonyl chloride; 1-Chlorosulfonyl-4-chloro-3-ethoxy-2-fluorobenzene; Benzenesulfonyl chloride, 4-chloro-3-ethoxy-2-fluoro-; 1706430-95-6; 4-Chloro-3-ethoxy-2-fluorophenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Ethoxy-2-Fluorobenzenesulfonyl Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to current Good Manufacturing Practices (cGMP) where applicable. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles as determined by advanced analytical techniques including HPLC, GC, and NMR. We are committed to meeting the stringent quality requirements of our global B2B partners in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%

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