Benzyl carbazate
Benzyl carbazate (CAS: 5331-43-1), with the molecular formula C₈H₁₀N₂O₂, is a valuable reagent in organic synthesis. Its structure incorporates a benzyl ester and a hydrazine moiety, making it useful for introducing the carbazate functional group. This compound is particularly employed in peptide chemistry for amine protection and in broader chemical synthesis for derivatization. Tech Serve Solutions supplies Benzyl carbazate for laboratory and research applications.
- IUPAC
- (Benzyloxycarbonyl)hydrazine,Z-hydrazine

Amine Protection in Peptide Synthesis
Benzyl carbazate serves as an effective protecting group for amines, particularly within peptide synthesis. It allows for selective manipulation of other functional groups in a molecule before its subsequent deprotection.
Reagent in Organic Synthesis
This compound is utilised as a versatile reagent in various organic transformations. Its unique structure facilitates the introduction of specific functionalities in the construction of complex molecules.
Derivatization Agent
Benzyl carbazate can be used to derivatize compounds, which can be advantageous for analytical purposes or for modifying the properties of target molecules in research settings.
| Molecular weight | 166.18 |
|---|---|
| Linear formula | H2NNHCO2CH2C6H5 |
| Assay | 97% |
| Melting point | 65-68 °C(lit.) |

Hazard statements
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 41 |
| Safety statements (S) | 26-36 |
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 Benzyl carbazate used for?
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Benzyl carbazate is primarily used for amine protection, particularly in peptide chemistry, and as a versatile reagent in general organic synthesis and for derivatization.
What are the CAS number and formula for Benzyl carbazate?
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Benzyl carbazate has the CAS number 5331-43-1 and the linear formula C₈H₁₀N₂O₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzyl carbazate with an assay of 97%. This product is intended for laboratory and research use and is not represented as USP, BP, or EP grade.
What are the main safety hazards associated with Benzyl carbazate?
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Benzyl carbazate is classified as Danger with hazard statement H318, indicating it causes serious eye damage. Appropriate personal protective equipment, including dust mask type N95, eyeshields, and gloves, should be worn during handling. It is also classified as Xi (Irritant) in Europe with risk statement R41.
How is Benzyl carbazate shipped and exported by TSS?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Benzyl carbazate, adhering to all necessary shipping and export regulations.
How can I request a quote or sample for Benzyl carbazate?
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To request a quote or sample for Benzyl carbazate, please contact our sales team through the TSS website or by phone.
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