Z-Cys(Z)-OH
N,S-Di-Z-L-cysteine (CAS 57912-35-3) is a protected amino acid derivative with the molecular formula C19H19NO6S and a molecular weight of 389.42 g/mol. It serves as a valuable building block in complex organic synthesis, particularly within peptide chemistry and chemical biology research. Its protected nature facilitates controlled reactions, making it a key intermediate for researchers developing novel compounds and understanding biological processes.
- IUPAC
- N,S-Di-Z-L-cysteine
Peptide Synthesis
This protected cysteine derivative is employed in solid-phase and solution-phase peptide synthesis to introduce cysteine residues with controlled reactivity. Its protecting groups prevent unwanted side reactions during peptide chain elongation.
Chemical Biology Research
Utilised as a tool in chemical biology to explore protein structure-function relationships or to develop novel biochemical probes. It allows for site-specific modification and conjugation in complex biomolecules.
Organic Synthesis Intermediate
Serves as a versatile intermediate in the synthesis of various organic compounds, including pharmaceuticals and fine chemicals. Its specific functional groups can be selectively deprotected and reacted.
| Molecular weight | 389.42 |
|---|---|
| Empirical formula | C19H19NO6S |
| Assay | ≥98.0% (HPLC) |
| 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 N,S-Di-Z-L-cysteine used for?
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N,S-Di-Z-L-cysteine is primarily used as a protected building block in peptide synthesis and as an intermediate in organic synthesis and chemical biology research.
What is the CAS number and molecular formula for N,S-Di-Z-L-cysteine?
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The CAS number is 57912-35-3, and the molecular formula is C19H19NO6S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N,S-Di-Z-L-cysteine with an assay of ≥98.0% (HPLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should N,S-Di-Z-L-cysteine be handled safely?
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Handle N,S-Di-Z-L-cysteine with appropriate personal protective equipment, including eyeshields and gloves. A P1 (EN143) or N95 (US) respirator filter is recommended. The substance is classified under WGK 2 in Germany, indicating it is hazardous to water.
Is this chemical suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote for N,S-Di-Z-L-cysteine?
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Please contact our sales department via the website or direct email to request a sample or a formal quotation.
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