Description

1-Methyl-1H-Benzotriazole-4-Sulfonyl Chloride is a high-value, reactive sulfonyl chloride derivative of benzotriazole, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as a versatile sulfonylation reagent, enabling the introduction of the sulfonyl functional group into target molecules with high efficiency. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for the development of active ingredients, fine chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those containing sulfonamide moieties with potential biological activity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the sulfonyl group enhances efficacy and selectivity.
• Polymer Chemistry: Acts as a monomer or modifying agent in the creation of specialty polymers and functional materials with specific thermal or chemical properties.
• Dye and Pigment Manufacturing: Employed in the synthesis of complex organic dyes and pigments, contributing to color fastness and stability.
• Chemical Research & Development: A vital reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries.
• Ligand and Catalyst Preparation: Useful for synthesizing specialized ligands and catalysts used in asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	1-Methyl-1H-Benzotriazole-4-Sulfonyl Chloride
CAS No.	1033464-77-5
Molecular Formula	C7H6ClN3O2S
Molecular Weight	231.66 g/mol
Synonyms	1-Methyl-1H-benzotriazole-4-sulfonyl chloride; 1-Methylbenzotriazole-4-sulfonyl chloride; 4-(Chlorosulfonyl)-1-methyl-1H-benzotriazole; 1-Methyl-1H-1,2,3-benzotriazole-4-sulfonyl chloride; 1-Methylbenzotriazol-4-ylsulfonyl chloride; MBT-4-SO2Cl
EINECS	Contact for details

Quality Control

Our production of 1-Methyl-1H-Benzotriazole-4-Sulfonyl Chloride adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support compliance with cGMP and ICH guidelines for pharmaceutical applications upon request.

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 should be handled under a dry inert atmosphere (e.g., nitrogen or argon) 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
Purity (HPLC)	≥ 97.0%
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.