DL-β-Homomethionine
DL-β-Homomethionine (CAS: 158570-14-0) is an unnatural amino acid derivative with the linear formula CH3SCH2CH2CH(NH2)CH2COOH and a molecular weight of 163.24. This compound serves as a valuable building block in chemical synthesis and peptide chemistry. It is utilized in research for applications within chemical biology and the development of novel biomolecules. Supplied by TSS for research purposes.
- IUPAC
- (±)-3-Amino-5-(methylthio)pentanoic acid

Chemical Synthesis
DL-β-Homomethionine serves as a chiral building block for the synthesis of complex organic molecules and peptide analogues. Its unique structure allows for the introduction of specific functionalities into target compounds.
Peptide Chemistry
This unnatural beta-amino acid can be incorporated into peptide chains to create modified peptides with altered structural or functional properties. It is useful for studying peptide folding and stability.
Chemical Biology Research
DL-β-Homomethionine is employed in chemical biology to explore biological pathways and develop novel probes or therapeutic agents. Its incorporation into biomolecules can help elucidate biological mechanisms.
| Molecular weight | 163.24 |
|---|---|
| Linear formula | CH3SCH2CH2CH(NH2)CH2COOH |
| Assay | ≥99.0% (TLC) |
| Melting point | 190-193 °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.
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 DL-β-Homomethionine used for?
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DL-β-Homomethionine is used in chemical synthesis, peptide chemistry, and chemical biology research. It acts as a building block for creating modified peptides and complex organic molecules.
What is the CAS number and formula for DL-β-Homomethionine?
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The CAS number for DL-β-Homomethionine is 158570-14-0, and its linear formula is CH3SCH2CH2CH(NH2)CH2COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-β-Homomethionine with an assay of ≥99.0% determined by TLC. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for DL-β-Homomethionine?
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Handling DL-β-Homomethionine requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified with WGK 3 in Germany, indicating a significant hazard to water.
How is DL-β-Homomethionine packed, shipped, and exported?
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DL-β-Homomethionine is carefully packed according to industry standards for safe transport. Tech Serve Solutions is experienced in exporting fine chemicals globally.
How can I request a sample or quote for DL-β-Homomethionine?
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To request a sample or a quote for DL-β-Homomethionine, please contact our sales department through the website or by calling our customer service line.
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