(S)-(−)-2-Amino-4-pentenoic acid
(S)-(−)-2-Amino-4-pentenoic acid (CAS 16338-48-0) is a chiral building block with the linear formula H₂C=CHCH₂CH(NH₂)CO₂H and a molecular weight of 115.13 g/mol. It is an unnatural amino acid derivative that finds use in chemical biology and synthesis. Available from Tech Serve Solutions with a minimum assay of 98%, this compound is suitable for research and development purposes.
- IUPAC
- L-2-Amino-4-pentenoic acid,L-Allylglycine
- Synonyms
- L-Allylglycine(S)-Allylglycine

Chemical Synthesis
Serves as a versatile chiral intermediate for the construction of complex organic molecules and peptide analogues.
Chemical Biology Research
Utilised in studies investigating enzyme mechanisms, protein structure, and the development of novel bioactive compounds.
Peptide Chemistry
Incorporated into peptide chains to introduce unique structural features or functionalities not found in natural amino acids.
Unnatural Amino Acid Derivatives
Functions as a precursor or a component in the synthesis of a wide range of non-proteinogenic amino acids for specialised applications.
| Molecular weight | 115.13 |
|---|---|
| Linear formula | H2C=CHCH2CH(NH2)CO2H |
| Assay | 98% |
| Solubility | H2O: soluble100 mg/mL |
| Optical activity | [α]20/D −36°, c = 4 in H2O |
| Storage temperature | room temp |
| Melting point | 283 °C (dec.)(lit.) |

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 (S)-(−)-2-Amino-4-pentenoic acid used for?
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This compound is primarily used in chemical synthesis, chemical biology research, peptide chemistry, and as an unnatural amino acid derivative.
What is the CAS number and formula for (S)-(−)-2-Amino-4-pentenoic acid?
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The CAS number is 16338-48-0, and the linear formula is H₂C=CHCH₂CH(NH₂)CO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(−)-2-Amino-4-pentenoic acid with a minimum assay of 98%. This is a research-grade chemical and is not represented as USP, BP, EP, or nutraceutical grade.
How should (S)-(−)-2-Amino-4-pentenoic acid be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. It is a Warning substance classified with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Avoid breathing dust and ensure adequate ventilation.
How is (S)-(−)-2-Amino-4-pentenoic acid packaged and shipped?
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This chemical is typically packaged for safe transport and can be exported globally by Tech Serve Solutions.
How can I request a sample or a quote for (S)-(−)-2-Amino-4-pentenoic acid?
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Please contact our sales department via the website or by phone to request a sample or a quotation.
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