DL-Lysine dihydrochloride
DL-Lysine dihydrochloride (CAS: 617-68-5) is a water-soluble salt of the essential amino acid lysine. Its linear formula is NH2(CH2)4CH(NH2)COOH · 2HCl, and it has a molecular weight of 219.11 g/mol. This compound serves as a crucial building block in peptide synthesis and is utilized in various chemical biology applications. It is supplied by Tech Serve Solutions for research and development purposes.

Peptide Synthesis
DL-Lysine dihydrochloride is a fundamental component in the construction of peptides and peptidomimetics. Its inclusion allows for specific modifications and the introduction of positive charges into peptide chains.
Chemical Biology
This derivative of lysine is employed in biochemical research to study protein structure, function, and interactions. It can be used as a probe or in the development of modified biological molecules.
Chemical Synthesis
As a versatile amino acid derivative, DL-Lysine dihydrochloride finds application as a reagent or intermediate in the synthesis of complex organic molecules and pharmaceuticals.
| Molecular weight | 219.11 |
|---|---|
| Linear formula | NH2(CH2)4CH(NH2)COOH · 2HCl |
| Assay | ≥99.0% (AT) |
| Melting point | 190-195 °C (dec.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Ignition residue | ≤0.05% |
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 dihydrochloride used for?
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DL-Lysine dihydrochloride is primarily used in peptide synthesis, chemical biology, and general chemical synthesis as an amino acid derivative.
What is the CAS number and formula for DL-Lysine dihydrochloride?
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The CAS number is 617-68-5 and its linear formula is NH2(CH2)4CH(NH2)COOH · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-Lysine dihydrochloride with an assay of ≥99.0% (AT). This product is supplied for laboratory and research purposes and is not represented as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for DL-Lysine dihydrochloride?
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DL-Lysine dihydrochloride is classified under WGK Germany 3. It requires the use of eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter for safe handling.
How is DL-Lysine dihydrochloride packed and shipped?
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DL-Lysine dihydrochloride is carefully packed according to industry standards to ensure safe transit. TSS exports this chemical globally to research institutions and industrial clients.
How can I request a quote or sample for DL-Lysine dihydrochloride?
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To request a quote or a sample of DL-Lysine dihydrochloride, please contact our sales team through the TSS website or by telephone.
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