Description

Sulfisoxazole is a synthetic sulfonamide antibiotic belonging to the class of short-acting sulfa drugs. It is valued for its potent antibacterial activity against a broad spectrum of Gram-positive and Gram-negative organisms. This compound is primarily utilized in the pharmaceutical industry for the synthesis of active pharmaceutical ingredients (APIs) and in research applications. Our supply of Sulfisoxazole CAS NO 127-69-5 is characterized by high purity and consistent quality to meet the stringent demands of these fields.

Application

• Pharmaceutical Intermediate: Key raw material in the synthesis of sulfonamide-based antibiotic formulations.
• Active Pharmaceutical Ingredient (API): Used in the manufacture of finished dosage forms for treating bacterial infections.
• Veterinary Medicine: Employed in the development of antibacterial treatments for livestock and companion animals.
• Biochemical Research: Serves as a reference standard and tool compound in microbiological and pharmacological studies.
• Antibacterial Agent Development: Used in R&D for screening and developing new antimicrobial agents.

Basic Information

Product Name	Sulfisoxazole
CAS No.	127-69-5
Molecular Formula	C11H13N3O3S
Molecular Weight	267.30 g/mol
Synonyms	4-Amino-N-(3,4-dimethyl-5-isoxazolyl)benzenesulfonamide; 5-(p-Aminophenylsulfonamido)-3,4-dimethylisoxazole; Sulfafurazole; Gantrisin; Soxomide; Sulfisoxazole Acetyl; N1-(3,4-Dimethyl-5-isoxazolyl)sulfanilamide
EINECS	204-864-8

Quality Control

Our Sulfisoxazole is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for assay and purity, to ensure it meets high-grade specifications suitable for pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and compliance with relevant standards.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 1.5%

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