Description

L-Arginine, N2-[(Phenylmethoxy)Carbonyl]-, Phenylmethyl Ester is a protected derivative of the essential amino acid L-arginine, specifically designed for advanced peptide synthesis. This compound matters as a critical building block in the pharmaceutical industry, enabling the controlled construction of complex peptide chains with high purity and yield. It is primarily needed by research institutions and manufacturers engaged in the development of peptide-based therapeutics, diagnostic agents, and biochemical research.

Application

• Pharmaceutical Intermediate: A key raw material in the solid-phase and solution-phase synthesis of therapeutic peptides and proteins.
• Biochemical Research: Used as a protected amino acid reagent for studying protein structure, function, and enzyme-substrate interactions.
• Peptide Library Construction: Essential for creating combinatorial peptide libraries for drug discovery and screening applications.
• API Development: Serves as a crucial intermediate in the development and scale-up of Active Pharmaceutical Ingredients (APIs) containing arginine residues.
• Conjugate Synthesis: Employed in the synthesis of peptide-drug conjugates and other bioconjugates where specific side-chain protection is required.

Basic Information

Product Name	L-Arginine, N2-[(Phenylmethoxy)Carbonyl]-, Phenylmethyl Ester
CAS No.	103305-87-9
Molecular Formula	C20H24N4O4
Molecular Weight	384.43 g/mol
Synonyms	NG-Z-L-Arginine benzyl ester; Z-Arg-OBzl; Nα-Carbobenzoxy-L-arginine benzyl ester; Nω-Z-L-Arginine benzyl ester; Benzyl Nω-[(benzyloxy)carbonyl]-L-argininate; Cbz-Arg-OBzl; Z-Arg-OBzl hydrochloride (if applicable); L-Arginine, N2-[(phenylmethoxy)carbonyl]-, phenylmethyl ester
EINECS	Contact for details

Quality Control

Our L-Arginine, N2-[(Phenylmethoxy)Carbonyl]-, Phenylmethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical research and development. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation	Contact for details
Loss on Drying	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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