Z-Trp-OH
Z-Trp-OH (CAS 7432-21-5), chemically identified as N-Cbz-L-tryptophan with the formula C19H18N2O4 and a molecular weight of 338.36 g/mol, is a derivative of the amino acid tryptophan. It is primarily utilised in chemical synthesis and peptide chemistry. This compound is supplied by TSS for research and development purposes.
- IUPAC
- N-Cbz-L-tryptophan,Nα-Carbobenzyloxy-L-tryptophan,Z-L-tryptophan
- Synonyms
- N-Cbz-L-tryptophanNα-Carbobenzyloxy-L-tryptophanZ-L-tryptophan

Peptide Synthesis
Z-Trp-OH serves as a crucial building block in the synthesis of peptides containing the tryptophan residue. Its N-terminal protecting group allows for controlled sequential addition of amino acids.
Chemical Synthesis Intermediate
As a protected amino acid derivative, Z-Trp-OH is employed in various organic synthesis pathways. It facilitates the introduction of tryptophan moieties into complex molecules in a protected form.
Chemical Biology Research
This compound finds application in chemical biology for studies involving modified peptides or proteins, enabling research into biological processes and interactions.
| Molecular weight | 338.36 |
|---|---|
| Empirical formula | C19H18N2O4 |
| Assay | ≥99.0% (T) |
| Solubility | methanol: soluble0.1 g/mL, clear to almost clear |
| Optical activity | [α]20/D +2.9±0.3°, c = 3% in acetic acid |
| Storage temperature | 2-8°C |
| Melting point | 124-127 °C(lit.)124-127 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Ignition residue | ≤0.1% |
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 Z-Trp-OH used for?
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Z-Trp-OH is used as a building block in peptide synthesis and as an intermediate in general chemical synthesis, particularly within chemical biology research.
What is the CAS number and formula for Z-Trp-OH?
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The CAS number for Z-Trp-OH is 7432-21-5 and its empirical formula is C19H18N2O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Z-Trp-OH with an assay of ≥99.0% (T). TSS does not represent this product as USP/BP/EP or any pharmacopoeia grade.
How should Z-Trp-OH be handled and stored?
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Handle Z-Trp-OH with appropriate personal protective equipment, including eyeshields and gloves. Respiratory protection such as a type N95 (US) or type P1 (EN143) respirator filter may be necessary. Store at 2-8°C.
How is Z-Trp-OH packed and exported?
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Z-Trp-OH is carefully packed to ensure stability during transit and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for Z-Trp-OH?
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To request a sample or a quote for Z-Trp-OH, please contact the Tech Serve Solutions sales team through our website or by phone.
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