DL-Lysine monohydrochloride
DL-Lysine monohydrochloride (CAS: 70-53-1) is a derivative of the essential amino acid lysine. With a molecular formula of NH₂(CH₂)₄CH(NH₂)COOH · HCl and a molecular weight of 182.65, it serves as a valuable building block in chemical synthesis. It is frequently utilized in biochemical research and the development of peptide-based compounds, offering a reliable source of the lysine moiety in a stable salt form for various laboratory applications.
- IUPAC
- DL-2,6-Diaminohexanoic acid monohydrochloride

Chemical Synthesis
DL-Lysine monohydrochloride is employed as a precursor and intermediate in the synthesis of more complex organic molecules. Its amino and carboxyl groups offer reactive sites for various chemical transformations.
Biochemical Research
This compound is used in laboratories for studying amino acid metabolism, protein synthesis, and related biological processes. It is a common reagent in biochemical assays and experiments.
Peptide Chemistry
As a derivative of lysine, it is a useful component in the solid-phase or solution-phase synthesis of peptides. It provides a protected or activated form of lysine for incorporation into peptide chains.
| Molecular weight | 182.65 |
|---|---|
| Linear formula | NH2(CH2)4CH(NH2)COOH · HCl |
| Assay | ≥98% (TLC) |
| Solubility | H2O: soluble |
| Melting point | 267 °C (dec.)(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- 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 |
| 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 DL-Lysine monohydrochloride used for?
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DL-Lysine monohydrochloride is primarily used in chemical synthesis and biochemical research, particularly in peptide chemistry, as a building block or reagent.
What are the CAS number and formula for DL-Lysine monohydrochloride?
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The CAS number for DL-Lysine monohydrochloride is 70-53-1, and its linear formula is NH₂ (CH₂)₄CH(NH₂)COOH · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-Lysine monohydrochloride with an assay of ≥98% (TLC). This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should DL-Lysine monohydrochloride be handled safely?
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DL-Lysine monohydrochloride is a warning substance that causes serious eye irritation (H319). When handling, wear eyeshields, gloves, and a dust mask type N95 (US). In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing.
How is DL-Lysine monohydrochloride packed and shipped?
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Tech Serve Solutions exports DL-Lysine monohydrochloride globally, ensuring appropriate packaging for safe transit. Specific packing configurations are available upon request.
How can I request a sample or quote for DL-Lysine monohydrochloride?
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To request a sample or quote for DL-Lysine monohydrochloride, please contact our sales team through the website or by phone.
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