Description

Methyl 3-(4-Chlorosulfonyl)Phenylpropionate is a versatile and high-value chemical intermediate characterized by its reactive chlorosulfonyl and ester functional groups. This compound is critical for the synthesis of advanced molecules, offering a precise building block for creating complex structures with specific functionalities. It is primarily sought after by research and development teams and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring sulfonamide or sulfonate ester moieties for biological activity.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for creating specialized organic compounds used in electronic displays and lighting.
• Polymer Modification Agent: Employed to introduce sulfonyl chloride groups into polymer chains for subsequent functionalization or cross-linking.
• Organic Synthesis Reagent: A valuable reagent in research laboratories for constructing complex organic molecules via nucleophilic substitution reactions at the sulfonyl chloride site.
• Dye & Pigment Intermediate: Utilized in the development of specialized colorants and photographic chemicals.

Basic Information

Product Name	Methyl 3-(4-Chlorosulfonyl)Phenylpropionate
CAS No.	374537-95-8
Molecular Formula	C10H11ClO4S
Molecular Weight	262.71 g/mol
Synonyms	Methyl 4-(Chlorosulfonyl)benzenepropanoate; 3-(4-Chlorosulfonylphenyl)propionic Acid Methyl Ester; Benzenepropanoic acid, 4-(chlorosulfonyl)-, methyl ester; Methyl 3-(p-Chlorosulfonylphenyl)propionate; Methyl 4-(Chlorosulfonyl)hydrocinnamate; p-(Chlorosulfonyl)hydrocinnamic Acid Methyl Ester; Methyl (4-Chlorosulfonylphenyl)propanoate
EINECS	Contact for details

Quality Control

Our Methyl 3-(4-Chlorosulfonyl)Phenylpropionate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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). 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
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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