Description

4-(Methylsulfinyl)Pyridine is a versatile organosulfur compound featuring a pyridine ring substituted with a methylsulfinyl group. This unique structure makes it a valuable intermediate and reagent in advanced organic synthesis, particularly in pharmaceutical research and development. It is sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecules and facilitating key synthetic transformations.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those containing heterocyclic and sulfoxide motifs.
• Ligand and Catalyst Component: Used in the preparation of specialized ligands for transition metal catalysis, aiding in asymmetric synthesis and cross-coupling reactions.
• Agrochemical Synthesis: Serves as a precursor in the development of novel herbicides, fungicides, and insecticides.
• Chemical Research Reagent: Employed in academic and industrial laboratories for method development, oxidation studies, and exploring new reaction pathways.
• Material Science Precursor: Potential use in the synthesis of functionalized polymers or organic electronic materials.

Basic Information

Product Name	4-(Methylsulfinyl)Pyridine
CAS No.	21948-76-5
Molecular Formula	C6H7NOS
Molecular Weight	141.19 g/mol
Synonyms	4-(Methylsulfinyl)pyridine; 4-Pyridyl methyl sulfoxide; 4-Methylsulfinylpyridine; p-(Methylsulfinyl)pyridine; 4-Pyridinyl methyl sulfoxide; Methyl 4-pyridyl sulfoxide; 4-Pyridine methanesulfinate
EINECS	Contact for details

Quality Control

Our 4-(Methylsulfinyl)Pyridine is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP requirements for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

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.