Description

o-Methoxycarbonylbenzenesulfonylisocyanate is a specialized, high-purity chemical building block primarily used in the synthesis of advanced pharmaceutical intermediates and agrochemicals. Its core value lies in its reactive isocyanate and sulfonyl groups, which enable the efficient construction of complex heterocyclic and sulfonamide-based compounds. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active ingredients or optimize synthetic routes.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing sulfonylurea and sulfonamide pharmacophores found in various drug candidates.
• Agrochemical Production: Used in the manufacture of herbicides and pesticides that utilize sulfonylisocyanate chemistry for enhanced activity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers with specific functional properties.
• Chemical Research & Development: A versatile building block for exploring new reactions and creating novel chemical entities in academic and industrial labs.
• Dye and Pigment Synthesis: Employed in the production of specialized colorants requiring sulfonamide linkages for stability and solubility.

Basic Information

Product Name	o-Methoxycarbonylbenzenesulfonylisocyanate
CAS No.	74222-95-6
Molecular Formula	C9H7NO5S
Molecular Weight	241.22 g/mol
Synonyms	2-(Methoxycarbonyl)benzenesulfonyl isocyanate; Methyl 2-(isocyanatosulfonyl)benzoate; o-Carbomethoxybenzenesulfonyl isocyanate; Benzoic acid, 2-(isocyanatosulfonyl)-, methyl ester; Methyl 2-sulfamoylbenzoate isocyanate (related); o-Methoxycarbonylphenylsulfonyl isocyanate
EINECS	Contact for details

Quality Control

Our o-Methoxycarbonylbenzenesulfonylisocyanate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as alcohols, amines, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.