Lys-Lys-Lys-Lys
Lys-Lys-Lys-Lys (CAS: 997-20-6), with the molecular formula C24H50N8O5 and a molecular weight of 530.70 g/mol, is a synthetic peptide composed of four lysine residues. This compound is primarily utilised in research settings, particularly within cell biology and cell signalling studies. Its polycationic nature and specific amino acid sequence lend it to investigations involving protein-protein interactions, cellular uptake mechanisms, and as a building block in more complex peptide structures. Tech Serve Solutions supplies this research-grade peptide.
- IUPAC
- Lys4,Tetralysine
- Synonyms
- TetralysineLys4

Cell Biology Research
Used as a tool in cell biology to investigate cellular processes, protein interactions, and membrane transport due to its polycationic properties.
Peptide Synthesis
Serves as a building block or component in the synthesis of larger, more complex peptides and peptidomimetics for various research applications.
Biochemical Assays
Employed in biochemical assays to study enzyme activity, binding affinities, or as a control substance in peptide-related research.
Cellular Signalling Studies
Investigated for its potential role or influence in cellular signalling pathways, particularly within neuroscience and related fields.
| Molecular weight | 530.70 |
|---|---|
| Empirical formula | C24H50N8O5 |
| Assay | ≥95% (TLC) |
| Storage temperature | −20°C |
| 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 Lys-Lys-Lys-Lys used for?
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Lys-Lys-Lys-Lys is used in research settings, primarily in cell biology and cell signalling studies, and as a component in peptide synthesis.
What are the CAS number and formula for Lys-Lys-Lys-Lys?
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The CAS number is 997-20-6 and the empirical formula is C24H50N8O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lys-Lys-Lys-Lys with an assay of ≥95% (TLC). This product is intended for research purposes and is not supplied as USP, BP, EP, or pharmacopoeia grade.
How should Lys-Lys-Lys-Lys be handled and stored?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or P1 (EN143) respirator filter is recommended. Store at -20°C.
Is Lys-Lys-Lys-Lys a controlled substance?
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The provided data does not indicate that Lys-Lys-Lys-Lys is a controlled substance.
How is Lys-Lys-Lys-Lys packed, shipped, and exported?
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Product is carefully packed to maintain integrity during transit. Tech Serve Solutions is an experienced global exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote for Lys-Lys-Lys-Lys?
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Please contact our sales team or use the website's inquiry form to request a sample or a quotation for Lys-Lys-Lys-Lys.
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