Description

4-(Methylsulfonyl)Pyridin-2(1H)-One is a high-purity, advanced pharmaceutical intermediate with a distinct sulfonyl-substituted pyridone structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex heterocyclic scaffolds. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for drug discovery and process development programs.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, especially kinase inhibitors and other small molecule therapeutics.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its bioactive pyridone core.
• Chemical Synthesis Building Block: Serves as a versatile precursor for constructing more complex heterocyclic compounds in organic and medicinal chemistry.
• Material Science Research: Investigated for potential applications in the development of specialty polymers or functional materials due to its unique electronic properties.

Basic Information

Product Name	4-(Methylsulfonyl)Pyridin-2(1H)-One
CAS No.	1268519-33-0
Molecular Formula	C6H7NO3S
Molecular Weight	173.19 g/mol
Synonyms	4-(Methylsulfonyl)-2(1H)-pyridinone; 4-(Methylsulfonyl)-1H-pyridin-2-one; 2-Hydroxy-4-(methylsulfonyl)pyridine; 4-Methanesulfonyl-1H-pyridin-2-one; 4-Methylsulfonylpyridin-2(1H)-one; 4-(Methylsulfonyl)-2-pyridone; 1268519-33-0
EINECS	Contact for details

Quality Control

Our production of 4-(Methylsulfonyl)Pyridin-2(1H)-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and undergoes rigorous analytical testing. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). The product may be hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.