L-Methionine sulfone
L-Methionine sulfone (CAS: 7314-32-1), with the molecular formula C5H11NO4S and a molecular weight of 181.21 g/mol, is a derivative of the amino acid methionine. It is recognised for its presence in onions and its utility as a biochemical reagent. This compound is primarily utilised in chemical synthesis and research applications within cell biology and chemical biology, contributing to advancements in various scientific fields.
- IUPAC
- L-2-Amino-4-(methylsulfonyl)butanoic acid

Chemical Synthesis
L-Methionine sulfone serves as a building block or intermediate in the synthesis of more complex organic molecules. Its specific functional groups allow for controlled reactions in the development of novel compounds for research.
Biochemical Research
As a modified amino acid, it is employed in biochemical studies, including investigations in cell biology and chemical biology. Its properties can be leveraged to probe biological pathways or as a standard in analytical procedures.
Nutritional Science
Identified in biological sources like onions, L-Methionine sulfone may be of interest in nutritional research. Its role in metabolic pathways or as a metabolite is a subject for scientific inquiry.
| Molecular weight | 181.21 |
|---|---|
| Empirical formula | C5H11NO4S |
| Assay | ≥99.0% (T) |
| Optical activity | [α]20/D +13.0±1°, c = 2% in H2O |
| Melting point | ~275 °C (dec.) |
| 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.
| Gene Information | rat ... Ggt1(116568) |
|---|
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 L-Methionine sulfone used for?
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L-Methionine sulfone is used in chemical synthesis and biochemical research, particularly in fields such as cell biology and chemical biology. It is also identified in sources like onions, suggesting potential relevance in nutritional research.
What is the CAS number and formula for L-Methionine sulfone?
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The CAS number for L-Methionine sulfone is 7314-32-1, and its empirical formula (Hill notation) is C5H11NO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Methionine sulfone with an assay of ≥99.0% (T). This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or other pharmacopoeial grades.
What are the safety and handling precautions for L-Methionine sulfone?
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L-Methionine sulfone has a WGK Germany rating of 3, indicating it is hazardous to water. Appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, should be used. It decomposes around 275 °C.
Does Tech Serve Solutions export L-Methionine sulfone?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including L-Methionine sulfone, adhering to international shipping regulations.
How can I request a sample or quote for L-Methionine sulfone?
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To request a sample or a quotation for L-Methionine sulfone, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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