L-Lysine
L-Lysine (CAS: 56-87-1), with the molecular formula H2N(CH2)4CH(NH2)CO2H and a molecular weight of 146.19 g/mol, is an essential alpha-amino acid. It serves as a fundamental building block in protein synthesis. This compound is crucial in various biological processes and finds application in chemical synthesis and research settings.
- IUPAC
- (S)-2,6-Diaminocaproic acid
- Synonyms
- (S)-2,6-Diaminocaproic acid

Chemical Synthesis
L-Lysine is utilized as a chiral building block in the synthesis of more complex organic molecules and peptides. Its distinct functional groups allow for diverse derivatization strategies.
Biochemical Research
As a key amino acid, L-Lysine is employed in studies related to protein structure, function, and metabolism. It is a common reagent in chemical biology and peptide chemistry research.
Laboratory Reagent
This compound serves as a standard reagent in analytical and research laboratories. Its well-defined properties make it suitable for various experimental protocols.
| Molecular weight | 146.19 |
|---|---|
| Linear formula | H2N(CH2)4CH(NH2)CO2H |
| Assay | ≥98.0% (NT) |
| Solubility | H2O: soluble0.1 g/mL, clear, colorless to very faintly greenish-yellow |
| Concentration | 50% in H2O |
| Optical activity | [α]20/D +26.0±1.0°, c = 2% in 6 M HCl |
| Impurities tested | ≤1% water |
| Melting point | 215 °C (dec.)(lit.)~215 °C (dec.) |
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-Lysine used for?
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L-Lysine is primarily used as a building block in protein synthesis, in chemical synthesis, and as a reagent in biochemical and chemical biology research.
What is the CAS number and formula for L-Lysine?
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The CAS number for L-Lysine is 56-87-1 and its linear formula is H2N(CH2)4CH(NH2)CO2H.
What grade and purity does Tech Serve Solutions supply for L-Lysine?
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Tech Serve Solutions supplies L-Lysine with an assay of ≥98.0% (NT). We do not represent this product as USP, BP, or EP grade.
How is L-Lysine handled and what are the safety considerations?
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L-Lysine is classified with WGK Germany 1. Please refer to the Safety Data Sheet for detailed handling and hazard information. It is recommended to wear appropriate personal protective equipment.
How is L-Lysine packed and shipped by TSS?
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L-Lysine is carefully packed for export to ensure product integrity during transit. Specific packaging details can be provided upon request.
How can I request a sample or quote for L-Lysine?
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To request a sample or a quotation for L-Lysine, please contact our sales team through the website or by phone.
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