Description

Cefmenoxime Impurity 2 CAS NO 68350-02-7 is a specified impurity of the third-generation cephalosporin antibiotic, Cefmenoxime. This compound is critical for pharmaceutical research and development, serving as a key reference standard for analytical method development, validation, and quality control. It is essential for manufacturers, analytical laboratories, and regulatory bodies involved in ensuring the purity, safety, and efficacy of Cefmenoxime-based pharmaceutical products.

Application

• Primary use as a certified reference standard (CRS) for the identification and quantification of impurities in Cefmenoxime active pharmaceutical ingredient (API).
• Critical component in analytical method development and validation (e.g., HPLC, UPLC) for pharmaceutical quality control laboratories.
• Used in stability studies to monitor degradation pathways and establish shelf-life for Cefmenoxime formulations.
• Essential for regulatory compliance and submission, providing necessary impurity profiles for FDA, EMA, and other health authority filings.
• Supports research and development of Cefmenoxime synthesis processes to minimize impurity formation.
• Utilized in pharmacopoeial testing to meet standards set by USP, EP, and other compendia.

Basic Information

Product Name	Cefmenoxime Impurity 2
CAS No.	68350-02-7
Molecular Formula	C₁₆H₁₇N₉O₅S₂
Molecular Weight	479.51 g/mol
Synonyms	(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Cefmenoxime Related Compound B; Cefmenoxime Impurity B; Cefmenoxime EP Impurity B; SCEM Impurity 2; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Derivative
EINECS	Contact for details

Quality Control

Every batch of Cefmenoxime Impurity 2 is manufactured and analyzed under strict quality management systems. Our products undergo rigorous identity, purity, and impurity profile testing using advanced chromatographic (HPLC, UPLC) and spectroscopic (NMR, MS) techniques to ensure compliance with pharmacopoeial standards. A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment, supporting your regulatory and quality assurance 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 inert conditions or in a desiccator to maintain stability and purity.

Specification

Item	Specification
Appearance	White to Off-white Powder
Identification (HPLC)	Conforms to Reference Standard
Identification (IR)	Conforms to Structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 5.0%

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