Description

4-(2-Chloro-4-Chlorosulfonyl-Phenoxy)-Butyric Acid is a high-purity, multi-functional organic intermediate designed for advanced chemical synthesis. This compound is valued for its unique molecular structure, which incorporates both a reactive chlorosulfonyl group and a carboxylic acid functionality, making it a versatile building block. It is primarily sought by R&D chemists and process development teams in the pharmaceutical and agrochemical industries for constructing complex active molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the development of next-generation herbicides and fungicides, leveraging its phenoxy and sulfonyl chloride motifs.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Organic Synthesis Building Block: Employed in academic and industrial research for constructing complex organic molecules due to its two distinct reactive sites.
• Dye and Pigment Intermediate: Acts as a starting material for synthesizing specialized dyes and colorants.

Basic Information

Product Name	4-(2-Chloro-4-Chlorosulfonyl-Phenoxy)-Butyric Acid
CAS No.	1016835-63-4
Molecular Formula	C10H10Cl2O5S
Molecular Weight	321.16 g/mol
Synonyms	4-(2-Chloro-4-chlorosulfonylphenoxy)butanoic acid; Butanoic acid, 4-[(2-chloro-4-chlorosulfonyl)phenoxy]-; 2-Chloro-4-chlorosulfonylphenoxybutyric acid; 4-(2-Chloro-4-sulfonylchloridephenoxy)butyric acid; 1016835-63-4; 4-(2-Chloro-4-(chlorosulfonyl)phenoxy)butanoic acid
EINECS	Contact for details

Quality Control

Every batch of 4-(2-Chloro-4-Chlorosulfonyl-Phenoxy)-Butyric Acid is manufactured and tested under a strict quality management system. We guarantee high chemical purity and consistency, supported by comprehensive analytical documentation. A Certificate of Analysis (COA) detailing identity, purity (HPLC), and impurity profiles is provided with each shipment to ensure it meets your specific research or production requirements.

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 nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%

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