Description

2-Methylsulfonylbenzaldehyde is a versatile aromatic aldehyde derivative characterized by a methylsulfonyl substituent. This compound serves as a valuable high-purity building block in advanced organic synthesis, particularly for constructing complex molecular architectures. It is primarily utilized by pharmaceutical R&D and fine chemical industries for applications requiring precise chemical functionality.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those with sulfone-containing bioactive molecules.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the benzaldehyde scaffold provides essential activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the synthesis of organic electronic materials, polymers, and liquid crystals due to its reactive aldehyde group.
• Chemical Biology Probes: Useful for synthesizing molecular probes and tags for studying biological processes and protein interactions.
• Custom Synthesis and Scal-up: A critical raw material for contract research and manufacturing organizations (CROs/CMOs) for custom synthesis projects.

Basic Information

Product Name	2-Methylsulfonylbenzaldehyde
CAS No.	5395-89-1
Molecular Formula	C8H8O3S
Molecular Weight	184.21 g/mol
Synonyms	2-(Methylsulfonyl)benzaldehyde; o-(Methylsulfonyl)benzaldehyde; Benzaldehyde, 2-(methylsulfonyl)-; 2-Methanesulfonylbenzaldehyde; 2-Mesylbenzaldehyde; 2-(Methanesulfonyl)benzaldehyde; 2-Methylsulphonylbenzaldehyde; 2-(Methylsulfonyl)benzenecarboxaldehyde
EINECS	226-387-1

Quality Control

Our 2-Methylsulfonylbenzaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound 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
Purity (HPLC)	≥ 98.0%
Melting Point	108°C - 112°C
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.