Boc-Asp(OtBu)-OSu

CAS 50715-50-9C17H26N2O8Chemical Synthesis

Boc-Asp(OtBu)-OSu (CAS: 50715-50-9) is a protected aspartic acid derivative with the molecular formula C17H26N2O8 and a molecular weight of 386.40 g/mol. This compound is primarily utilised as a building block in peptide synthesis, facilitating the controlled incorporation of aspartic acid residues into peptide chains. Its specific protecting groups (Boc for the amine, OtBu for the side chain carboxyl) and the activated N-hydroxysuccinimide ester make it a valuable reagent in complex organic synthesis and chemical biology research.

IUPAC: Boc-L-aspartic acid 4-tert-butyl 1-(hydroxysuccinimide) ester
Synonyms: Boc-L-aspartic acid 4-tert-butyl 1-(hydroxysuccinimide) ester

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Boc-Asp(OtBu)-OSu (C17H26N2O8) — chemical structure, CAS 50715-50-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Amino Acid DerivativesAspartic AcidChemical BiologyChemical SynthesisPeptide Chemistry

01 /Applications

Peptide Synthesis

Serves as a crucial activated building block for the solid-phase or solution-phase synthesis of peptides. The Boc and OtBu protecting groups allow for selective deprotection and coupling reactions, enabling the controlled assembly of specific amino acid sequences.

Organic Synthesis

Utilised as a chiral synthon in the construction of complex organic molecules. Its functional groups and stereochemistry can be leveraged in various synthetic routes requiring modified aspartic acid structures.

Chemical Biology Research

Employed in the development of peptidomimetics, labelled peptides, or other biomolecules for studying biological processes and drug discovery.

02 /Properties

Molecular weight	386.40
Empirical formula	C17H26N2O8
Assay	≥98.0% (C/N)
Optical activity	[α]20/D −27±1°, c = 1% in dioxane
Storage temperature	−20°C
Melting point	98-102 °C

03 /Safety & handling

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.

04 /Identifiers & registry

CAS number

50715-50-9

MDL number

MFCD00063389

Beilstein registry

5361818

05 /Quality & supply

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.

06 /Frequently asked questions

What is Boc-Asp(OtBu)-OSu used for?

Boc-Asp(OtBu)-OSu is primarily used as an activated building block in peptide synthesis and for complex organic synthesis, particularly in chemical biology research.

What is the CAS number and formula for Boc-Asp(OtBu)-OSu?

The CAS number is 50715-50-9, and the empirical formula (Hill notation) is C17H26N2O8.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Boc-Asp(OtBu)-OSu with an assay of ≥98.0% (C/N). TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.

What are the safety and handling requirements for Boc-Asp(OtBu)-OSu?

Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified under WGK 2 (Germany).

How is Boc-Asp(OtBu)-OSu shipped and exported by TSS?

Boc-Asp(OtBu)-OSu is stored at -20°C. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, handling all necessary export documentation and logistics.

How can I request a sample or quote for Boc-Asp(OtBu)-OSu?

To request a sample or a quote, please contact our sales department through the website or by phone, referencing the product name and CAS number 50715-50-9.