Boc-Cit-OH
Nα-Boc-L-citrulline (CAS: 45234-13-7) is an unnatural amino acid derivative with the empirical formula C11H21N3O5 and a molecular weight of 275.30 g/mol. It serves as a valuable building block in peptide chemistry and organic synthesis. Its applications span chemical biology and the development of novel compounds, making it a key reagent for research and development in these fields.
- IUPAC
- Nα-Boc-L-citrulline
- Synonyms
- Nα-Boc-L-citrulline

Peptide Synthesis
Nα-Boc-L-citrulline is a protected amino acid derivative used in the synthesis of peptides. The Boc protecting group facilitates controlled peptide bond formation.
Chemical Biology Research
As an unnatural amino acid, it finds application in chemical biology for constructing modified peptides or proteins to study biological processes or develop new probes.
Organic Synthesis Intermediate
This compound acts as an intermediate in complex organic synthesis pathways, contributing to the creation of diverse molecular structures.
Glutamine Derivative Analogues
It can be employed in the synthesis of analogues of glutamine and its derivatives, useful for biochemical studies or drug discovery.
| Molecular weight | 275.30 |
|---|---|
| Empirical formula | C11H21N3O5 |
| Assay | ≥84% (T) |
| Optical activity | [α]20/D −8.7±1°, c = 1% in H2O |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| 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 Nα-Boc-L-citrulline used for?
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Nα-Boc-L-citrulline is primarily used in peptide synthesis, chemical biology research, organic synthesis, and as a building block for glutamine derivative analogues.
What are the CAS number and formula for Nα-Boc-L-citrulline?
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The CAS number for Nα-Boc-L-citrulline is 45234-13-7, and its empirical formula is C11H21N3O5.
What grade and purity does Tech Serve Solutions supply for Boc-Cit-OH?
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Tech Serve Solutions supplies Boc-Cit-OH with an assay of ≥84% (T). This product is not classified as USP, BP, EP, or pharmacopoeia grade.
How should Nα-Boc-L-citrulline be handled safely?
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Nα-Boc-L-citrulline is a Warning substance (GHS07) and may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95 (US), safety eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes; remove contact lenses if present and easy to do. Continue rinsing.
How is Nα-Boc-L-citrulline packed and shipped?
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Nα-Boc-L-citrulline should be stored at 2-8°C. Tech Serve Solutions exports this chemical globally, ensuring appropriate packaging for transport.
How can I request a sample or quote for Boc-Cit-OH?
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To request a sample or a quote for Boc-Cit-OH, please contact the Tech Serve Solutions sales team through our website or by phone.
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