(S)-(−)-Methyl p-tolyl sulfoxide
(S)-(−)-Methyl p-tolyl sulfoxide (CAS 5056-07-5), with the chemical formula CH3C6H4S(O)CH3 and a molecular weight of 154.23 g/mol, is a chiral organosulfur compound. It serves as a valuable building block in asymmetric synthesis and general organic chemical synthesis. Its specific stereochemistry makes it useful for constructing complex chiral molecules, particularly in pharmaceutical research and development.
Chiral Building Block in Asymmetric Synthesis
Utilised for the stereoselective synthesis of complex organic molecules. Its defined chirality is critical for creating enantiomerically pure compounds, especially relevant in pharmaceutical intermediate production.
Reagent in Organic Synthesis
Employed as a versatile reagent in various organic transformations. It contributes to the construction of carbon-carbon and carbon-heteroatom bonds in a controlled manner.
Research and Development
A key compound for academic and industrial research laboratories exploring novel synthetic methodologies and developing new chemical entities.
| Molecular weight | 154.23 |
|---|---|
| Linear formula | CH3C6H4S(O)CH3 |
| Assay | ≥98.0% (sum of enantiomers, GC) |
| Optical activity | [α]20/D −145±5°, c = 2.2% in acetone |
| Melting point | 74-76 °C75-77 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (S)-(−)-Methyl p-tolyl sulfoxide used for?
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(S)-(−)-Methyl p-tolyl sulfoxide is primarily used as a chiral building block in asymmetric synthesis and as a reagent in general organic chemical synthesis, particularly in research and development settings for creating complex chiral molecules.
What is the CAS number and chemical formula for (S)-(−)-Methyl p-tolyl sulfoxide?
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The CAS number is 5056-07-5 and the chemical formula is CH3C6H4S(O)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(−)-Methyl p-tolyl sulfoxide with an assay of ≥98.0% (sum of enantiomers, GC). This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for (S)-(−)-Methyl p-tolyl sulfoxide?
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This compound is classified with WGK 3 (Germany). Recommended personal protective equipment includes eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Handle with appropriate ventilation and avoid contact with skin and eyes.
How is (S)-(−)-Methyl p-tolyl sulfoxide packed and shipped?
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Tech Serve Solutions exports and ships fine chemicals globally, adhering to all relevant regulations for safe transport. Specific packaging details are available upon request.
How can I request a sample or quote for (S)-(−)-Methyl p-tolyl sulfoxide?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (5056-07-5).
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