Description

n-α-Benzoyl-L-Arginine CAS NO 154-92-7 is a high-purity, protected derivative of the essential amino acid L-arginine, widely used as a critical intermediate in peptide synthesis and biochemical research. Its primary value lies in providing a stable, reactive building block for the controlled construction of complex peptides and active pharmaceutical ingredients (APIs). This compound is essential for research institutions, pharmaceutical developers, and fine chemical manufacturers focused on producing peptides, enzyme substrates, and diagnostic reagents.

Application

• Peptide Synthesis Intermediate: A key protected amino acid for solid-phase and solution-phase peptide synthesis, particularly in the production of arginine-containing sequences.
• Biochemical Research Reagent: Used as a substrate or standard in enzymatic studies, particularly for research involving trypsin-like proteases and other arginine-specific enzymes.
• Pharmaceutical Intermediate: Serves as a crucial building block in the development and manufacturing of peptide-based therapeutic agents and active pharmaceutical ingredients (APIs).
• Diagnostic Reagent Production: Employed in the formulation of chromogenic and fluorogenic substrates for clinical diagnostic kits and research assays.
• Cosmetic Peptide Precursor: Used in the synthesis of arginine-rich peptides for advanced skincare and cosmetic formulations.

Basic Information

Product Name	n-α-Benzoyl-L-Arginine
CAS No.	154-92-7
Molecular Formula	C13H18N4O3
Molecular Weight	278.31 g/mol
Synonyms	Benzoyl-L-arginine; Nα-Benzoyl-L-arginine; Nα-Benzoylarginine; Bz-Arg-OH; Bz-L-Arg-OH; N-Benzoyl-L-arginine; L-Arginine, N-benzoyl-; (S)-2-Benzamido-5-guanidinopentanoic acid
EINECS	205-835-4

Quality Control

Our n-α-Benzoyl-L-Arginine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation, to ensure it meets the stringent requirements for research and synthesis applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation [α]D20	+11.5° to +13.5° (c=1 in 1N HCl)
Loss on Drying	≤1.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤20 ppm
Chiral Purity (HPLC)	≥99.0% L-isomer

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