Description

Boc-Asn-Osu CAS NO 42002-18-6 is a high-purity, protected amino acid derivative widely used as a key building block in peptide synthesis. This compound is essential for researchers and manufacturers requiring precise control over the coupling of asparagine residues while preventing unwanted side reactions. It is a critical reagent for pharmaceutical R&D, particularly in the development of therapeutic peptides and complex organic molecules.

Application

• Solid-Phase Peptide Synthesis (SPPS): A fundamental reagent for the controlled incorporation of asparagine into peptide chains.
• Solution-Phase Peptide Synthesis: Used in classical coupling strategies for constructing specific peptide sequences.
• Pharmaceutical Intermediates: Serves as a crucial intermediate in the synthesis of active pharmaceutical ingredients (APIs) for peptide-based drugs.
• Bioconjugation: Employed to attach peptides or other molecules to carriers, surfaces, or biomolecules for diagnostic and therapeutic applications.
• Research & Development: A staple in academic and industrial laboratories for exploring new peptide structures and their biological functions.
• Combinatorial Chemistry: Used in libraries for high-throughput screening to discover new bioactive compounds.

Basic Information

Product Name	Boc-Asn-Osu
CAS No.	42002-18-6
Molecular Formula	C₁₃H₂₀N₃O₇
Molecular Weight	330.32 g/mol
Synonyms	N-α-(tert-Butoxycarbonyl)-L-asparagine N-hydroxysuccinimide ester; Boc-L-asparagine N-succinimidyl ester; Boc-Asn-OSu; N-(tert-Butoxycarbonyl)-L-asparagine succinimidyl ester; (S)-2-((tert-Butoxycarbonyl)amino)-4-oxo-4-((2,5-dioxopyrrolidin-1-yl)oxy)butanoic acid; Boc-Asparagine-OSu; N-Boc-L-asparagine N-hydroxysuccinimide ester; N-Boc-L-Asn-OSu
EINECS	Contact for details

Quality Control

Our Boc-Asn-Osu is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral integrity, to ensure compliance with high-grade standards for research and pharmaceutical applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific impurities is provided with every shipment.

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 in a dry environment to prevent degradation. For long-term storage, consider desiccation.

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)
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 10 ppm

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