Description

Methyl 5-Chloro-2-(Chlorosulfonyl)Benzoate is a high-value, 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 active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel sulfonamide derivatives and other fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides with specific modes of action.
• Material Science Research: Serves as a precursor for creating specialty polymers and functional materials with tailored properties.
• Organic Synthesis: A versatile reagent for introducing the chlorosulfonyl moiety into complex organic molecules in research and development.
• Dye and Pigment Industry: Employed in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	Methyl 5-Chloro-2-(Chlorosulfonyl)Benzoate
CAS No.	1119454-19-1
Molecular Formula	C8H6Cl2O4S
Molecular Weight	269.10 g/mol
Synonyms	5-Chloro-2-(chlorosulfonyl)benzoic acid methyl ester; Methyl 5-chloro-2-(chlorosulfonyl)benzoate; Benzoic acid, 5-chloro-2-(chlorosulfonyl)-, methyl ester; 2-(Chlorosulfonyl)-5-chlorobenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of Methyl 5-Chloro-2-(Chlorosulfonyl)Benzoate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment 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 area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. 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%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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