Description

Phenylalanyl-Prolyl-Arginine is a synthetic tripeptide of significant interest in pharmaceutical and biochemical research. This compound, identified by CAS No. 79338-56-0, serves as a crucial building block and a model substrate for studying enzymatic activity and peptide-based drug design. It is primarily sought after by research institutions, pharmaceutical developers, and fine chemical manufacturers engaged in advanced therapeutic and diagnostic applications.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of more complex peptide-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a standard or substrate in enzymatic assays, particularly for studying proteases like thrombin and other serine proteases.
• Cosmeceutical Development: Investigated for potential use in anti-aging and skin-repair formulations due to its peptide structure.
• Diagnostic Reagents: Employed in the development of diagnostic kits and assays for blood coagulation disorders.
• Life Science Tools: Serves as a critical reagent in cell biology and signal transduction research.

Basic Information

Product Name	Phenylalanyl-Prolyl-Arginine
CAS No.	79338-56-0
Molecular Formula	C23H35N7O5
Molecular Weight	489.57 g/mol
Synonyms	Phe-Pro-Arg; H-Phe-Pro-Arg-OH; L-Phenylalanyl-L-prolyl-L-arginine; FPR; Thrombin Inhibitor I; BOC-Phe-Pro-Arg-H (precursor); Benzyloxycarbonyl-Phe-Pro-Arg-H (precursor); S 2765 (substrate variant)
EINECS	Contact for details

Quality Control

Our Phenylalanyl-Prolyl-Arginine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, chiral analysis, and identity confirmation via mass spectrometry and IR spectroscopy. We provide comprehensive Certificates of Analysis (COA) with each shipment, ensuring traceability and compliance with research-grade and cGMP standards where applicable.

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) and should be handled in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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