CAS:72701-01-0|3-Desethenyl-3-methyl Cefixime (Cefixime EP Impurity E)

Catalogue Number:D289065
Chemical Name:3-Desethenyl-3-methyl Cefixime (Cefixime EP Impurity E)
Synonyms:(6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; [6R-[6α,7β(Z)]]-7-[[(2-Amino-4-thiazolyl)[(carboxymethoxy)imino]acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Cefixime EP Impurity E
Impurity:Cefixime EP Impurity E
CAS Number:72701-01-0
Molecular Formula:C₁₅H₁₅N₅O₇S₂
Appearance:White to Off-White Solid
Melting Point:>170°C (dec.)
Molecular Weight:441.44
Storage:-20°C, Hygroscopic
Solubility:DMSO (Slightly), Methanol (Slightly, Sonicated)
Stability
Hygroscopic
Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:3-Desethenyl-3-methyl Cefixime (Cefixime EP Impurity E) is an impurity of the third generation cephalosporin antibiotic, Cefixime (C242800).
References:Yamanaka, H., et al.: J. Antibiot., 39, 101 (1986)
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