(S)-(−)-α-Allylalanine
(S)-(−)-α-Allylalanine (CAS 96886-55-4), with the molecular formula C6H11NO2 and a molecular weight of 129.16 g/mol, is a valuable unnatural amino acid derivative. It is primarily employed in chemical synthesis and peptide chemistry for the construction of complex molecules and modified peptides. Its chiral nature makes it particularly useful in stereoselective synthesis and for researchers exploring novel biological activities and chemical structures.
- IUPAC
- (S)-2-Amino-2-methyl-4-pentenoic acid

Chemical Synthesis
This chiral building block is utilized in sophisticated organic synthesis pathways. Its allyl group offers a reactive handle for various coupling and modification reactions, enabling the creation of diverse molecular architectures.
Peptide Chemistry
As an unnatural amino acid, (S)-(−)-α-Allylalanine can be incorporated into peptide chains to confer unique properties. This is valuable for researchers developing novel peptide-based therapeutics or probes.
Chemical Biology
It serves as a tool in chemical biology research for investigating biological pathways and protein functions. Its incorporation can lead to modified peptides or proteins with altered stability or activity.
| Molecular weight | 129.16 |
|---|---|
| Empirical formula | C6H11NO2 |
| Assay | ≥98.0% (HPLC) |
| Optical purity | ee: ≥98.0% (HPLC) |
| Storage temperature | 2-8°C |
| Impurities tested | ≤15% water |

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 |
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)-(−)-α-Allylalanine used for?
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(S)-(−)-α-Allylalanine is primarily used in chemical synthesis, peptide chemistry, and chemical biology research for constructing complex molecules and unnatural peptides.
What are the CAS number and formula for (S)-(−)-α-Allylalanine?
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The CAS number is 96886-55-4 and the molecular formula is C6H11NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(−)-α-Allylalanine with an assay of ≥98.0% (HPLC) and optical purity (ee) of ≥98.0% (HPLC). It contains ≤15% water. We do not represent this product as USP, BP, or EP grade.
How should (S)-(−)-α-Allylalanine be handled safely?
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(S)-(−)-α-Allylalanine is classified with GHS07, a Warning signal word, and hazard statements H315, H319, and H335. Appropriate personal protective equipment includes a dust mask (type N95 US), eyeshields, and gloves. Handle in a well-ventilated area and avoid dust formation.
How is (S)-(−)-α-Allylalanine packed and shipped?
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This chemical is typically stored at 2-8°C. TSS exports fine chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for (S)-(−)-α-Allylalanine?
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To request a sample or quote, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
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