1315481-36-7

(6R,7S)-Cefoperazone Cefoperazone Impurity (6R,7S)-Cefoperazone-d4 Cefoperazone EP Impurity F Cefoperazone Sodium Impurity F Cefoperazone Impurity 6(Cefoperazone EP Impurity F) (6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-o (6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Cefoperazone Impurity F:(6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Cefoperazone impurity 4/Cefoperazone EP Impurity F/(6R,7S)-7-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,?7S)?-7-?[[(2R)?-?2-?[[(4-Ethyl-?2,?3-?dioxo-?1-?piperazinyl)?carbonyl]?amino]?-?2-?(4-?hydroxyphenyl)?acetyl]?amino]?-?3-?[[(1-?methyl-?1H-?tetrazol-?5-?yl)?thio]?methyl]?-?8-?oxo-5-?thia-?1-?azabicyclo[4.2.0]?oct-?2-?ene-?2-?carboxylic Acid DISCONTINUED. Please see C242890.