Description

4-Chloro-2-Methyl-5-(Methylsulfonyl)Benzoic Acid is a high-purity, functionalized benzoic acid derivative characterized by its chloro, methyl, and methylsulfonyl substituents, which confer unique reactivity and physical properties. This compound serves as a critical advanced pharmaceutical intermediate (API) and a versatile building block in organic synthesis, enabling the development of complex molecules. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides and pesticides, leveraging its substituted aromatic structure.
• Organic Synthesis Reagent: Serves as a versatile precursor for further functionalization, including Suzuki couplings, amide formations, and esterifications.
• Material Science Research: Potential monomer or additive in the development of specialty polymers with specific electronic or thermal properties.
• Chemical Reference Standard: Utilized in analytical laboratories for method development, calibration, and quality control testing.

Basic Information

Product Name	4-Chloro-2-Methyl-5-(Methylsulfonyl)Benzoic Acid
CAS No.	176309-00-5
Molecular Formula	C10H11ClO4S
Molecular Weight	262.71 g/mol
Synonyms	5-(Methylsulfonyl)-4-chloro-2-methylbenzoic acid; 4-Chloro-2-methyl-5-(methylsulfonyl)benzoic acid; Benzoic acid, 4-chloro-2-methyl-5-(methylsulfonyl)-; 2-Methyl-4-chloro-5-methylsulfonylbenzoic acid; 4-Chloro-2-methyl-5-methanesulfonylbenzoic acid; CAS 176309-00-5
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Methyl-5-(Methylsulfonyl)Benzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment supports applications requiring high-purity intermediates under cGMP and ISO guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The product is light-sensitive; prolonged exposure to light should be avoided.

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
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.