Description

Poly(Lys, Phe) Hydrobromide is a synthetic polypeptide composed of lysine and phenylalanine residues in a salt form. This compound is valued for its unique amphiphilic structure and cationic properties, making it a versatile material for advanced research and development. It is primarily utilized by researchers and formulators in the pharmaceutical and biomedical sectors for applications requiring controlled interactions with biological systems.

Application

• Drug Delivery Research: Investigated as a potential carrier or component in polymeric micelles, nanoparticles, and liposomes for targeted drug delivery systems.
• Biomaterial Development: Used in the study and creation of novel biodegradable scaffolds, hydrogels, and coatings for tissue engineering.
• Gene Transfection Studies: Explored as a non-viral vector for complexing and delivering nucleic acids (DNA, RNA) in vitro and in vivo.
• Antimicrobial Peptide Mimetics: Serves as a model compound for studying structure-activity relationships in the design of synthetic antimicrobial agents.
• Surface Modification: Applied to modify material surfaces to enhance biocompatibility, cell adhesion, or introduce specific functional groups.
• Bioconjugation & Linker Chemistry: The reactive amine groups on lysine residues provide sites for conjugation with drugs, dyes, or other biomolecules.

Basic Information

Product Name	Poly(Lys, Phe) Hydrobromide
CAS No.	26700-39-0
Molecular Formula	(C15H23N3O3)n • xHBr
Molecular Weight	Variable (Polymer)
Synonyms	Poly(L-lysine-co-L-phenylalanine) hydrobromide; Poly(Lys-Phe) HBr; Lysine/Phenylalanine Copolymer Hydrobromide; PLL-Phe HBr; Cationic Poly(amino acid) Hydrobromide; Poly(lysine, phenylalanine) HBr; Poly(Lys50, Phe50) Hydrobromide (example); Amphiphilic Polypeptide Salt
EINECS	Contact for details

Quality Control

Our Poly(Lys, Phe) Hydrobromide is produced under controlled conditions to ensure batch-to-batch consistency for research applications. Quality is verified through a suite of analytical techniques. A comprehensive Certificate of Analysis (COA) detailing purity, molecular weight distribution, and residual solvent levels is provided with each shipment to support your critical work.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Peptide Content)
Amino Acid Ratio (Lys:Phe)	As specified (e.g., 50:50)
Molecular Weight (GPC)	Reported (Mn, Mw, PDI)
Water Content (KF)	≤ 5.0 %
Residual Solvents (GC)	Meets ICH guidelines
Biological Activity / Endotoxin	Contact for details

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