Description

o-Methoxycarbonyl Benzyl Sulfonyl Chloride is a high-purity, reactive sulfonyl chloride derivative used as a critical building block in advanced organic synthesis. This compound matters for its role in introducing the methoxycarbonyl benzyl sulfonyl moiety, a versatile functional group for constructing complex molecules with tailored properties. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and insecticides that require specific sulfonyl functional groups for bioactivity.
• Material Science Research: Employed in the development of specialty polymers and functional materials where the sulfonyl chloride group enables precise chemical modification.
• Peptide Chemistry: Acts as a reagent for the selective modification of amino acid side chains or for introducing protecting groups during peptide synthesis.
• Chemical Library Development: A valuable scaffold for creating diverse compound libraries in medicinal chemistry for high-throughput screening.
• Dye and Pigment Intermediate: Used in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	o-Methoxycarbonyl Benzyl Sulfonyl Chloride
CAS No.	103342-27-4
Molecular Formula	C9H9ClO4S
Molecular Weight	248.68 g/mol
Synonyms	2-(Methoxycarbonyl)benzenemethanesulfonyl chloride; (2-(Methoxycarbonyl)phenyl)methanesulfonyl chloride; o-(Methoxycarbonyl)benzylsulfonyl chloride; Methyl 2-(chlorosulfonylmethyl)benzoate; 2-(Chlorosulfonylmethyl)benzoic acid methyl ester; Benzoic acid, 2-(chlorosulfonylmethyl)-, methyl ester
EINECS	Contact for details

Quality Control

Our o-Methoxycarbonyl Benzyl Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or production specifications.

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). 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 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%
Purity (HPLC, Area %)	≥ 99.0%
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.