H-Lys(Z)-OMe hydrochloride
H-Lys(Z)-OMe hydrochloride (CAS 27894-50-4) is a protected amino acid derivative, specifically the Nε-Benzyloxycarbonyl-L-lysine methyl ester hydrochloride. Its chemical formula is C20H32N2O5·HCl and it has a molecular weight of 330.81 g/mol. This compound serves as a valuable building block in peptide synthesis and chemical biology research due to the selective protection of the lysine side chain.
- IUPAC
- Nε-Z-L-lysine methyl ester hydrochloride
- Synonyms
- Nε-Z-L-lysine methyl ester hydrochloride

Peptide Synthesis
Used as a protected amino acid for the incorporation of lysine residues into synthetic peptides. The benzyloxycarbonyl (Z) group protects the epsilon-amino group, allowing controlled peptide chain elongation.
Chemical Biology Research
Serves as a reagent in studies involving modified peptides or proteins. Its structure allows for specific chemical modifications and conjugation.
Organic Synthesis
Acts as an intermediate in the synthesis of complex organic molecules, particularly those containing modified lysine frameworks.
| Molecular weight | 330.81 |
|---|---|
| Linear formula | C6H5CH2OOCNH(CH2)4CH(NH2)COOCH3 · HCl |
| Assay | ≥97.5% (HPLC) |
| Optical activity | [α]20/D +14.5±0.5°, c = 2% in H2O |
| 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 H-Lys(Z)-OMe hydrochloride used for?
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H-Lys(Z)-OMe hydrochloride is primarily used as a protected amino acid building block in peptide synthesis and in chemical biology research for creating modified peptides and proteins.
What is the CAS number and formula for H-Lys(Z)-OMe hydrochloride?
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The CAS number is 27894-50-4. The linear formula is C20H32N2O5·HCl, and the molecular weight is 330.81 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies H-Lys(Z)-OMe hydrochloride with an assay of ≥97.5% (HPLC). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling recommendations for this product?
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H-Lys(Z)-OMe hydrochloride is classified under WGK Germany 3. It requires the use of eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection. Please consult the Safety Data Sheet (SDS) for comprehensive handling information.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring reliable and compliant international shipment of products like H-Lys(Z)-OMe hydrochloride.
How can I request a sample or quote for H-Lys(Z)-OMe hydrochloride?
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To request a sample or a quote, please contact our sales team through the TSS website or via the provided contact details.
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