Description

Boc-Asp(Obzl)-Osu is a protected aspartic acid derivative widely used as a key building block in peptide synthesis. This compound is essential for researchers and manufacturers requiring high-purity intermediates to construct complex peptides and bioconjugates. It is primarily utilized by the pharmaceutical, biotechnology, and life science research industries for drug discovery and development projects.

Application

• Solid-Phase Peptide Synthesis (SPPS): A crucial reagent for the controlled incorporation of aspartic acid into peptide chains, particularly when side-chain protection is required.
• Solution-Phase Peptide Synthesis: Used in classical coupling reactions to form peptide bonds with high efficiency and minimal racemization.
• Pharmaceutical Intermediate: Serves as a key raw material in the synthesis of therapeutic peptides and peptidomimetics targeting various diseases.
• Bioconjugation: Employed in the chemical modification of proteins, antibodies, or other biomolecules to attach functional groups or payloads.
• Research & Development: A standard tool in academic and industrial R&D labs for exploring new peptide-based compounds and their biological activities.
• Production of Custom Peptides: Used by CROs and CDMOs for the contract manufacturing of specific peptide sequences for clients.

Basic Information

Product Name	Boc-Asp(Obzl)-Osu
CAS No.	13798-75-9
Molecular Formula	C19H24N2O7
Molecular Weight	392.41 g/mol
Synonyms	N-(tert-Butoxycarbonyl)-L-aspartic acid 4-benzyl ester N-succinimidyl ester; Boc-L-Aspartic acid 4-benzyl ester N-hydroxysuccinimide ester; Boc-Asp(OBzl)-OSu; N-Boc-L-Aspartic Acid β-Benzyl Ester N-Succinimidyl Ester; Nα-Boc-L-aspartic acid 4-benzyl ester, N-succinimidyl ester; (2S)-4-(Benzyloxy)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxobutanoic acid 2,5-dioxopyrrolidin-1-yl ester; Boc-Asp-OBzl-OSu; Boc-Asp(OBn)-OSu
EINECS	Contact for details

Quality Control

Our Boc-Asp(Obzl)-Osu is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis, to ensure it meets the high standards required for sensitive synthetic applications. Certificates of Analysis (COA) with detailed specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Specific Rotation	-15.0° to -18.0° (c=1 in DMF)
Melting Point	108°C - 112°C
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.