Description

Poly(Lys, Tyr) Hydrobromide is a synthetic polypeptide composed of lysine and tyrosine residues, supplied as the hydrobromide salt. This compound is a valuable research-grade biochemical tool, prized for its defined amino acid sequence and cationic properties. It is primarily utilized in advanced life science research, serving as a model peptide for studying protein interactions, biomaterial coatings, and as a precursor for more complex polymer conjugates.

Application

• Biomedical Research: Used as a model cationic polypeptide for studying cell-polymer interactions, membrane permeability, and drug delivery mechanisms.
• Biomaterial Development: Acts as a functional coating or component in the creation of novel biomaterials and tissue engineering scaffolds.
• Polymer Science Studies: Serves as a well-defined building block for synthesizing and characterizing more complex peptide-polymer hybrids and copolymers.
• Bioconjugation & Linker Chemistry: Provides reactive amine groups (from lysine) for coupling with other molecules, drugs, or surfaces in bioconjugation protocols.
• Standard & Reference Material: Employed as a calibration standard or reference compound in analytical methods such as chromatography and spectroscopy.

Basic Information

Product Name	Poly(Lys, Tyr) Hydrobromide
CAS No.	119039-85-9
Molecular Formula	Contact for details
Molecular Weight	Variable (Polymer)
Synonyms	Poly(L-lysine, L-tyrosine) hydrobromide; Poly(Lys,Tyr) HBr; Poly(L-lysine-co-L-tyrosine) HBr; Lysine-Tyrosine Copolymer Hydrobromide; P(Lys,Tyr) HBr; Cationic Poly(amino acid); Poly(lysine-tyrosine) salt
EINECS	Contact for details

Quality Control

Our Poly(Lys, Tyr) Hydrobromide is produced under controlled conditions to ensure batch-to-batch consistency for research applications. Each lot undergoes rigorous analytical testing. Certificates of Analysis (COA) detailing purity, amino acid composition, and other critical parameters are available upon request.

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 material is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Amino Acid Ratio (Lys:Tyr)	As per customer specification
Assay (HPLC)	≥ 95% (Peptide Content)
Water Content (KF)	≤ 5.0%
Solubility	Soluble in water, DMSO

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