Description

Cefmenoxime is a third-generation cephalosporin antibiotic belonging to the β-lactam class, known for its broad-spectrum activity against Gram-positive and Gram-negative bacteria. Its primary value lies in its enhanced stability against β-lactamases and potent efficacy, making it a critical intermediate in pharmaceutical synthesis. This compound is essential for manufacturers and research institutions developing advanced antibacterial formulations and conducting microbiological studies.

Application

• Pharmaceutical Active Ingredient (API): Serves as the core active component in the formulation of injectable antibiotic drugs.
• Research & Development: Used in microbiological and pharmacological studies to evaluate new antibacterial therapies and resistance mechanisms.
• Reference Standard: Employed as a high-purity analytical standard in quality control laboratories for HPLC, LC-MS, or microbiological assays.
• Veterinary Medicine: Applied in the development of antibacterial treatments for veterinary use.
• Intermediate Synthesis: Acts as a key chemical intermediate for the synthesis of more complex cephalosporin derivatives.

Basic Information

Product Name	Cefmenoxime
CAS No.	65085-01-0
Molecular Formula	C₁₆H₁₇N₉O₅S₃
Molecular Weight	511.56 g/mol
Synonyms	Cefmenoxime; Cefmenoxime Hemihydrochloride; SCE-1365; (6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[[(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; CMX; Abbott-50192
EINECS	Contact for details

Quality Control

Our Cefmenoxime is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identification by IR and NMR spectroscopy, and stringent limits for related substances and residual solvents. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to ensure compliance with your research or cGMP-grade requirements.

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) and must be kept under dry, inert conditions to maintain stability and potency.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines
Heavy Metals	≤ 20 ppm

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