Description

Sulfapyridine CAS NO 144-83-2 is a sulfonamide antibiotic and a key pharmaceutical intermediate. It is valued for its specific antibacterial properties and its role as a foundational building block in advanced chemical synthesis. This compound is essential for manufacturers and research institutions in the pharmaceutical, veterinary, and fine chemical sectors requiring high-purity active pharmaceutical ingredients (APIs) and intermediates.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of more complex sulfonamide-based drugs and specialty APIs.
• Antibacterial Agent: Used in research and development of antimicrobial formulations targeting susceptible bacterial strains.
• Veterinary Medicine: Employed in the development of treatments for bacterial infections in animals.
• Biochemical Research: Serves as a standard or reference compound in microbiological and pharmacological studies.
• Fine Chemical Synthesis: Utilized as a building block for creating complex molecules in custom synthesis and process development.

Basic Information

Product Name	Sulfapyridine
CAS No.	144-83-2
Molecular Formula	C11H11N3O2S
Molecular Weight	249.29 g/mol
Synonyms	2-Sulfanilamidopyridine; 4-Amino-N-(2-pyridyl)benzenesulfonamide; 2-(p-Aminobenzenesulfonamido)pyridine; Sulphapyridine; Dagenan; M&B 693; Pyridine, 2-(p-aminobenzenesulfonamido)-
EINECS	205-642-1

Quality Control

Our Sulfapyridine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and research applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥98.0%
Loss on Drying	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm
Related Substances (HPLC)	Meets internal specifications

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