Description

Methyl 3-Chloro-2-(Chlorosulfonyl)Benzoate is a high-purity, multi-functional chemical intermediate characterized by its reactive chlorosulfonyl and ester functional groups. This compound is essential for the synthesis of complex molecules, particularly in the development of advanced agrochemicals and active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and industrial manufacturers in the fine chemical, pharmaceutical, and crop protection sectors for constructing novel sulfonamide derivatives and other specialty compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based active pharmaceutical ingredients (APIs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging its reactive sites for creating novel crop protection molecules.
• Fine Chemical Production: Serves as a versatile precursor for dyes, pigments, and other specialty chemicals requiring a benzoate-sulfonyl chloride backbone.
• Research & Development: Critical reagent in organic synthesis laboratories for method development and creating novel chemical entities for screening.
• Polymer Chemistry: Potential monomer or modifier for creating specialty polymers with specific functional properties.

Basic Information

Product Name	Methyl 3-Chloro-2-(Chlorosulfonyl)Benzoate
CAS No.	99943-42-7
Molecular Formula	C8H6Cl2O4S
Molecular Weight	269.10 g/mol
Synonyms	3-Chloro-2-(chlorosulfonyl)benzoic acid methyl ester; Methyl 3-chloro-2-chlorosulfonylbenzoate; Benzoic acid, 3-chloro-2-(chlorosulfonyl)-, methyl ester; 2-(Chlorosulfonyl)-3-chlorobenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 3-Chloro-2-(Chlorosulfonyl)Benzoate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profiles, and physical characteristics is provided with every shipment, ensuring full traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong acids, 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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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