Description

5-Methyl-1H-Benzimidazole-2-Sulfonic Acid (Wx682201) is a key sulfonated benzimidazole derivative, a versatile organic intermediate prized for its functionalized heterocyclic structure. This compound is essential for synthesizing advanced molecules where the introduction of both a methyl-substituted benzimidazole core and a sulfonic acid group is required. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical and specialty chemical industries for creating active pharmaceutical ingredients (APIs), dyes, and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel benzimidazole-based drug candidates, particularly for antiviral, antimicrobial, and anti-inflammatory applications.
• Dye and Pigment Synthesis: Serves as a precursor for manufacturing specialized dyes, pigments, and optical brighteners due to its sulfonated aromatic structure.
• Ligand and Catalyst Development: Used in the preparation of complexing agents, ligands for metal catalysis, and organocatalysts in asymmetric synthesis.
• Material Science Research: Employed in the development of advanced polymers, coatings, and functional materials that require sulfonated heterocyclic moieties.
• Agrochemical Intermediates: Acts as a key synthon in the production of certain herbicides, fungicides, and plant growth regulators.
• Analytical Chemistry: May be used as a standard or reagent in chromatographic analysis and method development for related compounds.

Basic Information

Product Name	5-Methyl-1H-Benzimidazole-2-Sulfonic Acid (Wx682201)
CAS No.	106135-27-7
Molecular Formula	C8H8N2O3S
Molecular Weight	212.23 g/mol
Synonyms	5-Methyl-1H-benzimidazole-2-sulfonic acid; 2-Benzimidazolesulfonic acid, 5-methyl-; 5-Methyl-2-benzimidazolesulfonic acid; 5-Methylbenzimidazole-2-sulfonic acid; WX-682201; Wx682201; 1H-Benzimidazole-2-sulfonic acid, 5-methyl-; 106135-27-7
EINECS	Contact for details

Quality Control

Our 5-Methyl-1H-Benzimidazole-2-Sulfonic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment and is available upon request.

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 tightly sealed to prevent absorption of atmospheric moisture, which may affect product stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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