Description

S,S-Dimethyl Sulfoximine CAS NO 1520-31-6 is a versatile organosulfur compound featuring a sulfoximine functional group, a valuable and increasingly important motif in modern synthetic chemistry. Its significance lies in its dual role as a stable, chiral building block and a powerful directing group or ligand in transition metal catalysis. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for complex synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological and metabolic diseases.
• Agrochemical Synthesis: Used in the development of new-generation herbicides and fungicides, where the sulfoximine group can enhance biological activity and environmental profile.
• Catalysis & Ligand Design: Acts as a directing group in C-H activation reactions or as a component of chiral ligands for asymmetric synthesis, enabling more efficient and selective chemical transformations.
• Material Science Research: Investigated as a monomer or additive for creating polymers with unique properties, such as enhanced thermal stability or specific optical characteristics.
• Organic Synthesis Building Block: Provides a stable source of the dimethylsulfoximine moiety for constructing complex molecular architectures in academic and industrial R&D settings.
• Methodology Development: Employed in chemical research to develop new synthetic methodologies involving sulfoximine chemistry, expanding the toolbox available to synthetic chemists.

Basic Information

Product Name	S,S-Dimethyl Sulfoximine
CAS No.	1520-31-6
Molecular Formula	C2H7NOS
Molecular Weight	93.15 g/mol
Synonyms	Dimethyl Sulfoximine; S,S-Dimethylsulfoximine; DMSO imine; N-Sulfinylmethanimine, dimethyl-; Methylsulfinylmethanimine; NSC 163044; Dimethylsulfoximide; Sulfoximine, S,S-dimethyl-
EINECS	Contact for details

Quality Control

Our S,S-Dimethyl Sulfoximine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR), to ensure it meets the high standards required for research and process chemistry. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming batch-specific results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong 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.