Met-Ala-Ser
Met-Ala-Ser (CAS: 17351-33-6) is a tripeptide with the molecular formula C11H21N3O5S and a molecular weight of 307.37 g/mol. This compound serves as a valuable building block in biochemical research and peptide synthesis. Its specific sequence of amino acids, methionine, alanine, and serine, makes it a useful tool for scientists studying peptide structures, enzymatic activity, and protein interactions within a research context.

Peptide Synthesis
Met-Ala-Ser is utilized as a precursor or intermediate in the synthesis of more complex peptides and peptidomimetics. Its defined amino acid sequence allows for controlled construction of targeted peptide chains in research and development settings.
Biochemical Research
This tripeptide can be employed in various biochemical studies, including investigations into enzyme kinetics, protein folding, and cell signalling pathways. It acts as a model peptide for understanding biological processes at a molecular level.
Analytical Standards
In analytical chemistry, Met-Ala-Ser may be used as a reference standard for chromatographic or mass spectrometric analysis of peptide mixtures. This aids in the identification and quantification of related compounds.
| Molecular weight | 307.37 |
|---|---|
| Empirical formula | C11H21N3O5S |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 Met-Ala-Ser used for?
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Met-Ala-Ser is primarily used in biochemical research and as an intermediate in the synthesis of more complex peptides. It serves as a valuable tool for scientists studying peptide structures and biological processes.
What are the CAS number and formula for Met-Ala-Ser?
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The CAS number for Met-Ala-Ser is 17351-33-6, and its molecular formula is C11H21N3O5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Met-Ala-Ser for research and laboratory use. The specific assay and purity are available on the Certificate of Analysis (CoA) for each batch; we do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Met-Ala-Ser be handled?
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Met-Ala-Ser is classified as a Warning with hazard statements H315, H319, and H335. Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure adequate ventilation, and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice.
How is Met-Ala-Ser packed and shipped?
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Met-Ala-Ser is typically packed in appropriate containers to ensure stability during transport and storage. As a global supplier, Tech Serve Solutions exports this chemical following all relevant shipping regulations.
How can I request a sample or quote for Met-Ala-Ser?
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To request a sample or a quote for Met-Ala-Ser, please visit the product page on the Tech Serve Solutions website and use the 'Request Sample' or 'Request Quote' functionality, or contact our sales team directly.
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