Description

Benzoic Acid, 5-Chloro-2-(Methylsulfonyl)- is a high-purity, functionalized benzoic acid derivative characterized by its chloro and methylsulfonyl substituents, offering unique reactivity and physical properties. This compound is a critical pharmaceutical intermediate and a versatile building block for advanced organic synthesis. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Key synthon in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Synthesis: Used as a precursor for developing advanced herbicides and fungicides with specific modes of action.
• Organic Synthesis Building Block: The sulfonyl and chloro groups make it a valuable reagent for cross-coupling reactions and the construction of complex heterocyclic compounds.
• Material Science Research: Employed in the development of specialty polymers and liquid crystals due to its aromatic core and polar substituents.
• Chemical Reference Standard: Serves as a high-purity standard for analytical method development and quality control in chemical production.

Basic Information

Product Name	Benzoic Acid, 5-Chloro-2-(Methylsulfonyl)-
CAS No.	720689-28-1
Molecular Formula	C8H7ClO4S
Molecular Weight	234.66 g/mol
Synonyms	5-Chloro-2-(methylsulfonyl)benzoic acid; 2-Methylsulfonyl-5-chlorobenzoic acid; 5-Chloro-2-methanesulfonylbenzoic acid; Benzoic acid, 5-chloro-2-(methylsulfonyl)-; 720689-28-1; 5-Chloro-2-mesylbenzoic acid
EINECS	Contact for details

Quality Control

We supply Benzoic Acid, 5-Chloro-2-(Methylsulfonyl)- in various purity grades to meet diverse application needs, from technical to pharmaceutical intermediate standards. Our products undergo rigorous quality testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with each batch, detailing all specified parameters. We adhere to a cGMP-compliant quality management system to ensure traceability and reliability for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0% (Standard Grade)
Purity (HPLC)	≥99.0% (High Purity Grade)
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals (as Pb)	≤20 ppm
Related Substances (HPLC)	Individual impurity ≤0.5%; Total impurities ≤1.0%

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