Description

Methyl Phenyl Sulfoxide is a versatile organosulfur compound with the CAS registry number 1193-82-4. It serves as a valuable intermediate and chiral auxiliary in the synthesis of complex molecules, offering significant utility in modern organic chemistry. This compound is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers engaged in asymmetric synthesis and material science.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring chiral sulfoxide motifs.
• Chiral Auxiliary: Used in asymmetric synthesis to induce stereoselectivity in carbon-carbon and carbon-heteroatom bond-forming reactions.
• Ligand Precursor: Acts as a starting material for the preparation of specialized ligands used in transition metal catalysis.
• Organic Synthesis Reagent: Employed in oxidation reactions and as a synthon for introducing the methylsulfinyl group into target molecules.
• Material Science Research: Investigated for its properties in the development of novel organic electronic materials and liquid crystals.
• Agrochemical Synthesis: Utilized in the research and production pathways for certain advanced crop protection agents.

Basic Information

Product Name	Methyl Phenyl Sulfoxide
CAS No.	1193-82-4
Molecular Formula	C7H8OS
Molecular Weight	140.20 g/mol
Synonyms	(Methylsulfinyl)benzene; Phenyl Methyl Sulfoxide; Methyl Phenyl Sulphoxide; Benzene, (methylsulfinyl)-; Methyl(phenyl)sulfoxide; NSC 403038; Methyl Phenyl Sulfoxide (MPSO); α-Toluenesulfinyl
EINECS	214-777-4

Quality Control

Our Methyl Phenyl Sulfoxide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing specific results is provided with each shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	34 - 38 °C
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.