Description

4-Formyl-1-(3-Sulphonatopropyl)Pyridinium is a versatile, water-soluble pyridinium derivative with a reactive aldehyde group, making it a valuable intermediate for advanced chemical synthesis. This compound is particularly significant for its ability to act as a zwitterionic building block, facilitating the creation of functional materials with tailored properties. It is essential for researchers and manufacturers in the fields of bioconjugation, polymer chemistry, and specialty dye production, where precise molecular modification is required.

Application

• Bioconjugation Reagent: Used for the covalent labeling and cross-linking of biomolecules (proteins, peptides, antibodies) due to its reactive aldehyde group and hydrophilic sulphonate moiety.
• Polymer Modification: Serves as a functional monomer or cross-linker for synthesizing smart hydrogels, zwitterionic polymers, and anti-fouling coatings.
• Specialty Dye & Pigment Intermediate: A key precursor in the synthesis of water-soluble, fluorescent dyes and colorants for analytical and imaging applications.
• Catalyst & Ligand Synthesis: Employed in the preparation of novel ionic ligands and catalysts for aqueous-phase organic reactions.
• Surface Functionalization: Used to introduce aldehyde groups onto material surfaces (e.g., nanoparticles, chips) for subsequent immobilization of biomolecules.
• Pharmaceutical Intermediate: Acts as a building block in the research and development of prodrugs and diagnostic agents.

Basic Information

Item	Details
Product Name	4-Formyl-1-(3-Sulphonatopropyl)Pyridinium
CAS No.	93803-29-3
Molecular Formula	C9H11NO4S
Molecular Weight	229.25 g/mol
Synonyms	1-(3-Sulfonatopropyl)-4-formylpyridinium; 4-Formyl-1-(3-sulfopropyl)pyridinium betaine; 4-Formylpyridinium-1-propanesulfonate; Pyridine-4-carboxaldehyde, 1-(3-sulfopropyl)-, inner salt; (3-((4-Formylpyridin-1-ium-1-yl)propane-1-sulfonate); 4-Carboxybenzaldehyde pyridinium propanesulfonate derivative; SPF (common abbreviation)
EINECS	Contact for details

Quality Control

Our 4-Formyl-1-(3-Sulphonatopropyl)Pyridinium is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and Karl Fischer titration for moisture content, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided with every shipment.

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 product is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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