Description

2-Hydroxy-5-Methylsulfonylbenzoic Acid Methyl Ester is a high-purity organic intermediate characterized by its distinct phenolic and sulfone functional groups. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those requiring a substituted salicylate or benzenesulfone moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its specific substitution pattern is crucial for bioactivity.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and specialty polymers that benefit from its combined hydroxy and sulfonyl groups.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific thermal or solubility properties.
• Chemical Research & Development: Employed in academic and industrial labs for methodological studies in organic synthesis, including coupling reactions and functional group transformations.

Basic Information

Product Name	2-Hydroxy-5-Methylsulfonylbenzoic Acid Methyl Ester
CAS No.	101371-44-2
Molecular Formula	C9H10O5S
Molecular Weight	230.24 g/mol
Synonyms	Methyl 2-hydroxy-5-(methylsulfonyl)benzoate; Benzoic acid, 2-hydroxy-5-(methylsulfonyl)-, methyl ester; 5-(Methylsulfonyl)salicylic acid methyl ester; Methyl 5-methylsulfonylsalicylate; 2-Hydroxy-5-methanesulfonylbenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Hydroxy-5-Methylsulfonylbenzoic Acid Methyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.