Description

3-(Aminosulfonyl)-4,5-Dimethylbenzoic Acid is a high-purity, multi-functional organic intermediate featuring both a carboxylic acid and a sulfonamide group. This compound matters for its role as a versatile building block in the synthesis of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by R&D chemists and process development scientists for creating active pharmaceutical ingredients (APIs), specialty dyes, and advanced material precursors.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides and fungicides, leveraging its bioactive sulfonamide moiety.
• Dye & Pigment Manufacturing: Serves as a precursor for synthesizing specialized azo dyes and colorants with enhanced properties.
• Material Science Research: Employed in the creation of functionalized polymers and organic frameworks (MOFs/COFs) for catalytic or sensing applications.
• Chemical Research & Development: A valuable building block for medicinal chemistry and process chemistry in custom synthesis projects.

Basic Information

Product Name	3-(Aminosulfonyl)-4,5-Dimethylbenzoic Acid
CAS No.	62971-64-6
Molecular Formula	C9H11NO4S
Molecular Weight	229.25 g/mol
Synonyms	4,5-Dimethyl-3-sulfamoylbenzoic Acid; 3-Sulfamoyl-4,5-dimethylbenzoic Acid; Benzoic acid, 3-(aminosulfonyl)-4,5-dimethyl-; 4,5-Dimethyl-3-sulfamoyl-benzoic acid; 3-Carboxy-4,5-dimethylbenzenesulfonamide
EINECS	Contact for details

Quality Control

Our 3-(Aminosulfonyl)-4,5-Dimethylbenzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications 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). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.