Description

n-Carboxymethylchitosan-n-o-Sulfate is a chemically modified, water-soluble derivative of chitosan, engineered to enhance specific functional properties. This compound is valued for its unique combination of biocompatibility, polyanionic character, and mucoadhesive properties, making it a versatile material for advanced applications. It is primarily sought by researchers and manufacturers in the pharmaceutical, biomedical, and cosmetic industries for drug delivery systems, wound healing, and as a functional biopolymer.

Application

• Pharmaceutical Excipient: Used as a functional polymer in controlled-release and targeted drug delivery formulations due to its mucoadhesive and pH-responsive properties.
• Biomedical Materials: Serves as a key component in hydrogels, scaffolds, and films for wound dressings, tissue engineering, and hemostatic agents.
• Cosmetic Ingredient: Employed in skincare and haircare products for its film-forming, moisturizing, and conditioning effects.
• Biotechnology Research: Utilized as a polyanionic substrate or carrier in enzyme immobilization, cell culture, and gene delivery studies.
• Water Treatment: Acts as a flocculant or chelating agent for the removal of heavy metals and organic contaminants from industrial wastewater.

Basic Information

Product Name	n-Carboxymethylchitosan-n-o-Sulfate
CAS No.	108569-37-5
Molecular Formula	Contact for details
Molecular Weight	Variable (Polymer)
Synonyms	Carboxymethyl Chitosan Sulfate; CM-Chitosan Sulfate; Sulfated N-Carboxymethylchitosan; N,O-Carboxymethyl Chitosan Sulfate; Chitosan N-Carboxymethyl N,O-sulfate; Poly[β-(1→4)-2-amino-2-deoxy-D-glucopyranose N-carboxymethyl N,O-sulfate]; Water-Soluble Chitosan Sulfate Derivative
EINECS	Contact for details

Quality Control

Our n-Carboxymethylchitosan-n-o-Sulfate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, degree of substitution (DS), and molecular weight distribution. Certificates of Analysis (COA) detailing specifications such as sulfate content, carboxymethyl content, and residual solvent levels are provided with every shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed immediately after use to prevent absorption of atmospheric moisture which may affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder or fibrous solid
Identification (IR)	Conforms to structure
Assay (Sulfate Content)	≥ 15.0 % (or as specified)
Degree of Substitution (DS)	0.5 - 1.2 (Customizable)
pH (1% Solution)	6.0 - 8.0
Loss on Drying	≤ 10.0 %
Residue on Ignition	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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