Description

2-Methyl-6-Methoxycarbonyl Benzenesulfonyl Chloride is a specialized benzenesulfonyl chloride derivative, serving as a critical high-purity building block in advanced organic synthesis. Its value lies in its dual functional groups, which make it an essential reagent for constructing complex molecules with precise sulfonamide linkages. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides where the sulfonyl moiety is crucial for biological activity.
• Material Science Research: Employed in the development of specialty polymers and functional materials requiring sulfonamide cross-linkers or modifiers.
• Chemical Biology Probes: Serves as a reagent for labeling and modifying biomolecules to study protein interactions and functions.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects requiring the introduction of a sulfonyl chloride group adjacent to an ester functionality.

Basic Information

Product Name	2-Methyl-6-Methoxycarbonyl Benzenesulfonyl Chloride
CAS No.	126535-26-0
Molecular Formula	C9H9ClO4S
Molecular Weight	248.68 g/mol
Synonyms	2-Methyl-6-(methoxycarbonyl)benzenesulfonyl chloride; Methyl 2-methyl-6-sulfonylchloridobenzoate; 6-Methoxycarbonyl-o-toluenesulfonyl chloride; 2-Methyl-6-methoxycarbonylbenzene-1-sulfonyl chloride; Benzoic acid, 2-methyl-6-(chlorosulfonyl)-, methyl ester; o-Toluic acid, 6-(chlorosulfonyl)-, methyl ester
EINECS	Contact for details

Quality Control

Every batch of 2-Methyl-6-Methoxycarbonyl Benzenesulfonyl Chloride is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available for each lot upon request, supporting your regulatory and quality assurance needs.

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 (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from 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%

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