Description

4-(Methylcarbamoyl)Benzenesulfonic Acid is a specialized organic sulfonic acid derivative that serves as a key intermediate in advanced chemical synthesis. Its value lies in its bifunctional structure, combining a reactive sulfonic acid group with a methylcarbamoyl moiety, enabling its use in the production of high-value fine chemicals and active pharmaceutical ingredients (APIs). This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel compounds with specific biological or material properties.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, where its structure contributes to bioactivity.
• Dye and Pigment Manufacturing: Acts as a sulfonation agent and intermediate in the creation of water-soluble dyes and high-performance pigments.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity, ion-exchange capacity, or catalytic activity.
• Research & Development: Serves as a valuable reagent in organic chemistry R&D for constructing complex molecular architectures in academic and industrial labs.
• Catalyst and Ligand Preparation: Used in the preparation of metal-organic catalysts and specialized ligands for asymmetric synthesis.

Basic Information

Product Name	4-(Methylcarbamoyl)Benzenesulfonic Acid
CAS No.	70140-61-3
Molecular Formula	C9H11NO4S
Molecular Weight	229.25 g/mol
Synonyms	4-(N-Methylcarbamoyl)benzenesulfonic acid; p-(Methylcarbamoyl)benzenesulfonic acid; N-Methyl-4-sulfobenzamide; 4-(Methylaminocarbonyl)benzenesulfonic acid; Benzenesulfonic acid, 4-[(methylamino)carbonyl]-; Methyl 4-sulfobenzamide; Toluene-4-sulfonic acid, 4-carbamoyl- (related); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 4-(Methylcarbamoyl)Benzenesulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. All material is subjected to comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and tests for residual solvents and specific impurities. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We operate under a quality system that supports compliance with cGMP and ISO 9001 standards for industrial and research applications.

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). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
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.