Description

Cefuzonam CAS NO 82219-78-1 is a semi-synthetic, broad-spectrum cephalosporin antibiotic belonging to the cephamycin class. It is valued for its potent antibacterial activity against a wide range of Gram-positive and Gram-negative bacteria, including β-lactamase-producing strains. This compound is primarily utilized as a key active pharmaceutical ingredient (API) and a critical intermediate in the synthesis of advanced antibiotic formulations for the pharmaceutical industry.

Application

• Active Pharmaceutical Ingredient (API): Core component in the manufacture of injectable antibiotic formulations.
• Pharmaceutical Intermediate: Used in the synthesis of more complex cephalosporin derivatives and prodrugs.
• Research & Development: Serves as a reference standard and building block in antimicrobial research and new drug discovery.
• Veterinary Medicine: Employed in developing treatments for bacterial infections in animals.

Basic Information

Product Name	Cefuzonam
CAS No.	82219-78-1
Molecular Formula	C₁₃H₁₂N₈O₅S₂
Molecular Weight	424.41 g/mol
Synonyms	Cefuzonam; Cefuzonam Sodium; L-105; FK-749; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[[(1,2,3-thiadiazol-5-yl)thio]methyl]-8-oxo-, (6R,7R)-; (6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-[(1,2,3-thiadiazol-5-ylthio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
EINECS	Contact for details

Quality Control

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

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Heavy Metals	≤ 20 ppm

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