Peptides & Building Blocks

N-Carbobenzyloxy-L-Aspartic Acid 1-Benzyl Ester

  • CAS No.4779-31-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity protected amino acid derivative ideal for peptide synthesis and pharmaceutical intermediate applications.

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Product Technical Details

Product Overview

N-Carbobenzyloxy-L-Aspartic Acid 1-Benzyl Ester is a critically important protected amino acid derivative widely utilized in the field of organic synthesis and peptide chemistry. This compound features a carboxyl group protected by a benzyl ester and an amino group protected by a carbobenzyloxy (Cbz or Z) group, providing exceptional stability during various synthetic transformations. As a key building block, it facilitates the construction of complex peptide chains while preventing unwanted side reactions at the reactive functional groups.

Our manufacturing process ensures that each batch meets stringent quality standards suitable for research and industrial-scale pharmaceutical production. The compound is designed to offer high reactivity when deprotection is required, making it a reliable choice for chemists developing advanced therapeutic molecules.

Technical Specifications

ParameterSpecification
CAS Number4779-31-1
Molecular FormulaC19H19NO6
Molecular Weight357.36 g/mol
AppearanceWhite Powder
Purity≥98.0%
Melting Point80-86°C
Loss on Drying≤0.50%
Related SubstancesSingle Spot (TLC)

Industrial Applications

This protected amino acid serves as a fundamental reagent in the synthesis of biologically active peptides and pharmaceutical intermediates. Its dual protection strategy allows for selective deprotection, enabling precise control over peptide bond formation. Common applications include:

  • Solid-phase and solution-phase peptide synthesis.
  • Production of pharmaceutical active ingredients (APIs).
  • Development of diagnostic reagents and biochemical probes.
  • Use in combinatorial chemistry libraries for drug discovery.

Quality Assurance and Storage

Quality control is paramount in our production facility. Every lot undergoes rigorous testing using high-performance liquid chromatography (HPLC) and thin-layer chromatography (TLC) to verify purity and identity. A Certificate of Analysis (COA) is provided with each shipment to ensure transparency and compliance with international standards.

To maintain optimal stability, the product should be stored in a cool, dry environment at room temperature. Containers must be kept tightly closed to prevent moisture absorption, which could compromise the integrity of the ester and carbamate protections. Proper handling procedures ensure the material remains suitable for sensitive synthetic applications over extended periods.