Description

2-Methoxy-5-(Ethylsulfonyl)Benzoic Acid is a high-purity, functionalized benzoic acid derivative valued for its role as a versatile synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both methoxy and ethylsulfonyl substituents, makes it a critical building block for constructing complex molecules with specific electronic and steric properties. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key starting material (KSM) or advanced intermediate in the synthesis of potential drug candidates, particularly those requiring a sulfone or sulfonamide pharmacophore.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where the benzoic acid core provides a stable scaffold for functionalization.
• Material Science Research: Serves as a monomer or precursor for designing specialty polymers, liquid crystals, or organic electronic materials due to its polar sulfone group.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, nucleophilic substitutions, and other transformations to introduce the 2-methoxy-5-(ethylsulfonyl)phenyl moiety into target molecules.
• Dye and Pigment Intermediate: Potential use in the synthesis of specialized dyes and pigments where the sulfone group can alter solubility and color properties.

Basic Information

Product Name	2-Methoxy-5-(Ethylsulfonyl)Benzoic Acid
CAS No.	4840-63-5
Molecular Formula	C10H12O5S
Molecular Weight	244.26 g/mol
Synonyms	5-(Ethylsulfonyl)-2-methoxybenzoic acid; 2-Methoxy-5-ethylsulfonylbenzoic acid; Benzoic acid, 2-methoxy-5-(ethylsulfonyl)-; 2-Methoxy-5-(ethylsulphonyl)benzoic acid; 5-Ethanesulfonyl-2-methoxy-benzoic acid; 2-Methoxy-5-(ethanesulfonyl)benzoic acid; 4840-63-5 (CAS); 2-Methoxy-5-(ethylsulfonyl)benzoic acid CAS NO 4840-63-5
EINECS	Contact for details

Quality Control

Our 2-Methoxy-5-(Ethylsulfonyl)Benzoic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting research and development standards. A detailed Certificate of Analysis (COA) with batch-specific data is provided to guarantee traceability and consistency for your critical synthesis work.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled 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
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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