Description

3-Methyl-4-(Methylsulfonyl)Benzoic Acid is a high-purity, functionalized benzoic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both a carboxylic acid and a methylsulfonyl group on a methylated benzene ring, makes it a versatile intermediate for constructing complex molecules with tailored properties. This compound is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting specific enzyme inhibition or receptor modulation.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators where the sulfonyl and carboxyl groups contribute to biological activity.
• Material Science Research: Serves as a monomer or functionalization agent in the development of specialty polymers, liquid crystals, and advanced organic materials.
• Organic Synthesis Reagent: A versatile synthon in academic and industrial laboratories for constructing complex aromatic compounds, facilitating reactions like cross-coupling, esterification, and amide bond formation.
• Chemical Reference Standard: Utilized as a high-purity analytical standard in quality control and method development for related compound analysis.

Basic Information

Product Name	3-Methyl-4-(Methylsulfonyl)Benzoic Acid
CAS No.	1186663-65-9
Molecular Formula	C9H10O4S
Molecular Weight	214.24 g/mol
Synonyms	4-(Methylsulfonyl)-3-methylbenzoic acid; 3-Methyl-4-(methylsulphonyl)benzoic acid; Benzoic acid, 3-methyl-4-(methylsulfonyl)-; 3-Methyl-4-methanesulfonylbenzoic acid; 4-Methanesulfonyl-3-methyl-benzoic acid; 3-Methyl-4-(methylsulfonyl)benzoic acid CAS 1186663-65-9; 3-Methyl-4-methylsulfonylbenzoic acid
EINECS	Contact for details

Quality Control

Our 3-Methyl-4-(Methylsulfonyl)Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and tests for residual solvents and heavy metals, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials such as strong bases and strong oxidizing agents.

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 (as Pb)	≤ 10 ppm

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