Pharmaceutical Reference Standards / Impurity Standards

Cefoperazone
Cefoperazone Dihydrate
Cefoperazone EP Impurity C
Cefoperazone EP Impurity D
Cefoperazone EP Impurity F Sodium Salt
Cefoperazone EP Impurity F
Cefoperazone EP Impurity A
Cefoperazone Impurity 2
(6R-trans)-7-Amino-8-oxo-3-[(1H-tetrazol-5-ylthio)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Cefoperazone Sodium