Description

4-Methyl-3-(Methylsulfonyl)Benzoic Acid is a high-value, multi-functional benzoic acid derivative characterized by its distinct methylsulfonyl substituent. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis, enabling the development of complex molecules. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for research and production purposes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a benzoic acid core with electron-withdrawing sulfone functionality.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the synthesis of monomers for high-performance polymers and advanced organic materials.
• Custom Synthesis & Contract Manufacturing: A vital building block for custom chemical synthesis services catering to R&D and pilot-scale production.
• Chemical Reference Standard: Utilized as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	4-Methyl-3-(Methylsulfonyl)Benzoic Acid
CAS No.	51522-22-6
Molecular Formula	C9H10O4S
Molecular Weight	214.24 g/mol
Synonyms	3-(Methylsulfonyl)-4-methylbenzoic acid; 4-Methyl-3-(methylsulphonyl)benzoic acid; Benzoic acid, 4-methyl-3-(methylsulfonyl)-; 3-Methanesulfonyl-4-methyl-benzoic acid; 4-Methyl-3-methanesulfonylbenzoic acid; 51522-22-6; 4-Methyl-3-(methylsulfonyl)benzoic acid
EINECS	Contact for details

Quality Control

Our 4-Methyl-3-(Methylsulfonyl)Benzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.