Description

Poly(Orn, Ser) Hydrobromide is a synthetic polypeptide derivative of ornithine and serine, stabilized as a hydrobromide salt. This compound is valued for its unique polycationic and biodegradable properties, making it a versatile material for advanced research and formulation. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biomedical, and specialty chemical sectors for applications in drug delivery, biomaterials, and peptide-based studies.

Application

• Biomedical Research: Used as a model cationic polypeptide for studying cell-polymer interactions, membrane permeability, and gene delivery mechanisms.
• Drug Delivery Systems: Serves as a biodegradable and biocompatible carrier or excipient in the development of controlled-release formulations and nanoparticle-based therapeutics.
• Tissue Engineering Scaffolds: Investigated as a component in synthetic extracellular matrices due to its potential to support cell adhesion and growth.
• Cosmetic & Dermatological Formulations: Employed in advanced skincare products for its film-forming and moisturizing properties, enhancing product performance.
• Specialty Chemical Synthesis: Acts as a building block or intermediate for the synthesis of more complex peptide conjugates and functional polymers.

Basic Information

Product Name	Poly(Orn, Ser) Hydrobromide
CAS No.	119039-84-8
Molecular Formula	(C9H17N3O3 • HBr)n
Molecular Weight	Contact for details (Polymer)
Synonyms	Poly(ornithine-co-serine) hydrobromide; Poly(Orn, Ser) HBr; Poly(ornithine, serine) bromide; Poly(Orn/Ser) hydrobromide salt; Poly-L-ornithine-co-L-serine HBr; Cationic polypeptide hydrobromide; Ornithine-Serine Copolymer HBr
EINECS	Contact for details

Quality Control

Our Poly(Orn, Ser) Hydrobromide is produced under a quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided, detailing key parameters such as amino acid composition, molecular weight distribution, and residual solvent content, ensuring it meets the stringent requirements for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C (refrigerated) or as specified on the label. This product is hygroscopic (moisture-sensitive). Allow the container to reach room temperature before opening to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (Polymer Content)	≥ 95.0%
Amino Acid Ratio (Orn:Ser)	As per customer requirement
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines
Molecular Weight (GPC)	Reported (Mn, Mw, PDI)
Biological Safety (Endotoxin)	< 10 EU/mg (if applicable)

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