(4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl
(4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl (CAS 401793-01-9) is a pyroglutamine derivative and unnatural amino acid analogue with the empirical formula C24H26BrNO5 and a molecular weight of 488.37. This compound is valuable in chemical synthesis and peptide chemistry. It serves as a building block for complex molecular structures and is employed in research settings for developing novel compounds and materials.
- IUPAC
- (4R)-Boc-4-(4-bromobenzyl)-L-pyroglutamic acid benzyl ester,Benzyl (2S,4R)-1-Boc-4-(4-bromobenzyl)-5-oxo-2-pyrrolidinecarboxylate

Chemical Synthesis
Utilised as a chiral building block in the synthesis of complex organic molecules. Its specific stereochemistry and functional groups allow for precise incorporation into target structures.
Peptide Chemistry
Serves as a modified amino acid derivative for incorporation into unnatural peptides. Enables the study of peptide structure-activity relationships and the development of novel peptidomimetics.
Chemical Biology Research
Applied in research to investigate biological processes or as a component in the synthesis of biologically active molecules. Useful for creating probes or modulators in biochemical studies.
| Molecular weight | 488.37 |
|---|---|
| Empirical formula | C24H26BrNO5 |
| Assay | ≥96.0% (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 (4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl used for?
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This compound is primarily used in chemical synthesis, peptide chemistry, and chemical biology research as a building block for complex organic molecules and unnatural peptides.
What is the CAS number and formula for (4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl?
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The CAS number is 401793-01-9 and the empirical formula is C24H26BrNO5.
What grade and purity does Tech Serve Solutions supply for (4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl?
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Tech Serve Solutions supplies this product with an assay of ≥96.0% (HPLC). We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should (4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A respirator filter, such as type N95 (US) or type P1 (EN143), is recommended. The compound is classified with WGK Germany 3.
How is (4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl packed, shipped, and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Products are packed and shipped according to international standards for chemical transport.
How can I request a sample or quote for (4R)-Boc-4-(4-bromobenzyl)-Pyr-OBzl?
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You can request a sample or a quote by contacting our sales team through the TSS website or by direct inquiry.
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