Description

Methyl 2-(4-(Chlorosulfonyl)Phenyl)Acetate CAS NO 53305-12-7 is a versatile and high-value organic intermediate characterized by its reactive chlorosulfonyl and ester functional groups. This compound is critical for the synthesis of complex molecules, particularly in the pharmaceutical and agrochemical sectors, where it serves as a key building block. It is primarily sought after by research institutions and industrial manufacturers involved in developing active pharmaceutical ingredients (APIs), fine chemicals, and advanced material precursors.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based drugs and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and specialty chemicals.
• Polymer Chemistry: Employed in the modification of polymers and the creation of functional materials.
• Research & Development: Essential reagent in organic synthesis for academic and industrial R&D laboratories.
• Chemical Derivatization: Used to introduce the phenylacetate sulfonyl chloride moiety into target molecules for further functionalization.

Basic Information

Product Name	Methyl 2-(4-(Chlorosulfonyl)Phenyl)Acetate
CAS No.	53305-12-7
Molecular Formula	C9H9ClO4S
Molecular Weight	248.68 g/mol
Synonyms	Methyl (4-(Chlorosulfonyl)phenyl)acetate; 4-(Chlorosulfonyl)phenylacetic Acid Methyl Ester; Methyl 4-(Chlorosulfonyl)benzeneacetate; p-(Chlorosulfonyl)phenylacetic Acid Methyl Ester; Methyl (p-Chlorosulfonylphenyl)acetate; Benzeneacetic acid, 4-(chlorosulfonyl)-, methyl ester; Methyl 2-[4-(chlorosulfonyl)phenyl]acetate
EINECS	Contact for details

Quality Control

Our Methyl 2-(4-(Chlorosulfonyl)Phenyl)Acetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance 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 to prevent degradation from atmospheric moisture.

Specification

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

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