Description

Sulfamethizole CAS NO 144-82-1 is a synthetic sulfonamide antibacterial agent. It is valued for its targeted activity against a range of susceptible bacterial strains, making it a critical intermediate in pharmaceutical manufacturing. This compound is essential for producers of active pharmaceutical ingredients (APIs), research institutions, and fine chemical suppliers serving the global healthcare sector.

Application

• Pharmaceutical Intermediate: Primary use as a key building block in the synthesis of antibacterial APIs.
• Veterinary Medicine: Formulation component for antibacterial treatments in animal health.
• Research & Development: Standard reference compound and biochemical tool for microbiological and pharmacological studies.
• Fine Chemical Synthesis: Intermediate for the preparation of more complex sulfonamide derivatives.

Basic Information

Product Name	Sulfamethizole
CAS No.	144-82-1
Molecular Formula	C9H10N4O2S2
Molecular Weight	270.33 g/mol
Synonyms	4-Amino-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide; 2-Sulfanilamido-5-methyl-1,3,4-thiadiazole; Sulfamethizolum; Sulfamethylthiadiazole; N1-(5-Methyl-1,3,4-thiadiazol-2-yl)sulfanilamide; Urolucosil; Thiosulfil
EINECS	205-639-9

Quality Control

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

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)	≥ 98.5%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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