Description

Poly-L-Asparagine is a synthetic homopolymer of the amino acid L-asparagine, widely recognized for its biocompatibility and unique polyamide backbone. This polymer is valued in advanced research and development for its ability to mimic natural polypeptides, offering a versatile platform for creating functional biomaterials. It is particularly relevant for scientists and manufacturers in the pharmaceutical, biomedical, and specialty chemical sectors seeking innovative polymeric solutions.

Application

• Biomedical Research: Serves as a model compound for studying protein folding, peptide interactions, and as a scaffold in tissue engineering.
• Drug Delivery Systems: Utilized in the development of biodegradable polymeric carriers for controlled release of active pharmaceutical ingredients (APIs).
• Bioconjugation & Linker Chemistry: Acts as a hydrophilic spacer or carrier molecule for attaching drugs, probes, or targeting ligands.
• Cosmetic & Personal Care Formulations: Employed in high-performance skincare products for its potential moisturizing and film-forming properties.
• Enzyme Immobilization: Provides a stable matrix for fixing enzymes used in biocatalysis and biosensor applications.
• Specialty Chemical Synthesis: Used as a chiral building block or intermediate in the synthesis of more complex peptides and functional materials.

Basic Information

Product Name	Poly-L-Asparagine
CAS No.	28088-48-4
Molecular Formula	(C₄H₆N₂O₃)ₙ
Molecular Weight	Variable (Polymer)
Synonyms	Poly(α-L-asparagine); Poly(L-asparagine); L-Asparagine Homopolymer; Poly(asparagine); P(L-Asp); PLASN; Poly-α-L-asparagine; Poly(asparagine) homopolymer
EINECS	Contact for details

Quality Control

Our Poly-L-Asparagine is produced under controlled conditions to ensure batch-to-batch consistency. Quality is assured through a comprehensive analytical regimen, including determination of molecular weight distribution, purity, and residual solvent analysis. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to support your quality management systems.

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 light-sensitive; prolonged exposure to humidity or light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (Nitrogen Content)	≥ 95.0%
Molecular Weight (Average)	Specified range available (e.g., 5k-20k Da)
Loss on Drying	≤ 5.0 %
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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