L-Lysine monohydrochloride
L-Lysine monohydrochloride (CAS: 657-27-2), with the linear formula H2N(CH2)4CH(NH2)CO2H·HCl and a molecular weight of 182.65 g/mol, is an essential amino acid derivative. It functions as a key building block in protein synthesis and plays vital roles in various biochemical processes. This compound is widely utilised in research, chemical synthesis, and as a biochemical reagent.
- IUPAC
- (S)-2,6-Diaminohexanoic acid monohydrochloride
- Synonyms
- (S)-2,6-Diaminohexanoic acid monohydrochloride

Biochemical Research
L-Lysine monohydrochloride serves as a fundamental reagent in biochemical studies, aiding in the understanding of protein structure, function, and cellular processes. Its role as an essential amino acid makes it crucial for cell culture media and metabolic pathway investigations.
Chemical Synthesis
This compound is employed as a versatile building block in organic synthesis, particularly in the creation of peptides and complex organic molecules. Its defined structure and reactive amino groups allow for controlled chemical modifications.
Reagent in Diagnostics and Assays
L-Lysine monohydrochloride can be utilised in the development and execution of various diagnostic assays and analytical procedures within laboratory settings. It contributes to the specificity and reliability of certain biochemical tests.
| Molecular weight | 182.65 |
|---|---|
| Linear formula | H2N(CH2)4CH(NH2)CO2H·HCl |
| Assay | ≥99.0% |
| Melting point | 263 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
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-Lysine monohydrochloride used for?
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L-Lysine monohydrochloride is primarily used in biochemical research, chemical synthesis, and as a biochemical reagent. It is a key component in protein synthesis and various biological processes.
What is the CAS number and formula for L-Lysine monohydrochloride?
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The CAS number for L-Lysine monohydrochloride is 657-27-2, and its linear formula is H2N(CH2)4CH(NH2)CO2H·HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Lysine monohydrochloride with an assay of ≥99.0%. This is typically considered a technical or research grade, and TSS does not represent it as USP, BP, or EP grade unless explicitly stated otherwise.
What are the safety and handling precautions for L-Lysine monohydrochloride?
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L-Lysine monohydrochloride requires the use of safety measures such as eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection. The WGK (Germany) classification is 2, indicating it is a hazard to water.
How is L-Lysine monohydrochloride packed, shipped, and exported?
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L-Lysine monohydrochloride is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample for L-Lysine monohydrochloride?
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To request a quote or a sample of L-Lysine monohydrochloride, please contact our sales team through the website or by phone. Provide your specific requirements, and we will respond promptly.
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