L-Allysine ethylene acetal
L-Allysine ethylene acetal (CAS: 215054-80-1), with the empirical formula C8H15NO4 and a molecular weight of 189.21 g/mol, is a specialised organic building block. This compound functions as a protected form of allysine, a non-proteinogenic amino acid derivative. It is primarily employed in chemical synthesis and research, particularly within peptide chemistry and the development of unnatural amino acids for biochemical studies.
- IUPAC
- (S)-2-Amino-5-(1,3-dioxolan-2-yl)pentanoic acid

Peptide Synthesis
L-Allysine ethylene acetal serves as a valuable building block in solid-phase or solution-phase peptide synthesis. Its protected aldehyde functionality allows for controlled incorporation into peptide chains, enabling the study of post-translational modifications or the creation of novel peptide analogues.
Chemical Synthesis
This compound is utilised as an intermediate in the synthesis of complex organic molecules. The ethylene acetal group protects the aldehyde functionality, allowing for selective reactions at other parts of the molecule before deprotection.
Biochemical Research
As a derivative of an unnatural amino acid, L-Allysine ethylene acetal is used in research settings to probe biological pathways or to develop modified proteins with unique properties. Its structure is relevant for studying collagen cross-linking or related biochemical processes.
| Molecular weight | 189.21 |
|---|---|
| Empirical formula | C8H15NO4 |
| Assay | ≥98% (TLC) |
| Optical activity | [α]/D +4.0±0.3°, c = 1 in H2O |
Hazard statements
- H413May cause long-lasting harmful effects to aquatic life
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
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 L-Allysine ethylene acetal used for?
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L-Allysine ethylene acetal is used in peptide synthesis, as a building block in chemical synthesis, and for biochemical research, particularly in the development of unnatural amino acids and modified proteins.
What is the CAS number and formula for L-Allysine ethylene acetal?
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The CAS number is 215054-80-1 and the empirical formula is C8H15NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Allysine ethylene acetal with an assay of ≥98% (TLC). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should L-Allysine ethylene acetal be handled safely?
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When handling L-Allysine ethylene acetal, it is recommended to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if respiratory protection is needed. It is classified with hazard statement H413.
Does Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including L-Allysine ethylene acetal.
How can I request a sample or quote for L-Allysine ethylene acetal?
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To request a sample or a quote for L-Allysine ethylene acetal, please contact our sales department through the website or by phone.
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