ceftazidime pentahydrate and its Impurities
Ceftazidime Pentahydrate is used to treat lower respiratory tract, skin, urinary tract, blood-stream, joint, and abdominal infections, and meningitis. It is an antibiotic. Reference standards of Ceftazidime Pentahydrate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
Ceftazidime Pentahydrate - Impurity B
(6R,7R)-7-({(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(1-carboxy-1-methylethoxy)imino]ethanoyl}amino)-8-oxo-3-(1-pyridiniumylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 30 21020
CAS :
97148-38-4
Molecular Formula : C22H22N6O7S2
Molecular Weight : 546.58
Ceftazidime Pentahydrate - Impurity D
(6R,7R)-7-((Z)-2-(((1-(tert-Butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)-2-(2-(tritylamino)thiazol-4-yl)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Catalogue No.:PA 30 21040
CAS :
73547-69-0
Molecular Formula : C45H44N6O7S2
Molecular Weight : 845.99
Potassium (E)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)-2-(2-(((E)-4-ethoxy-4-oxobut-2-en-2-yl)amino)thiazol-4-yl)acetate
Potassium (E)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)-2-(2-(((E)-4-ethoxy-4-oxobut-2-en-2-yl)amino)thiazol-4-yl)acetate
Catalogue No.:PAI 03 006080
CAS :
NA
Molecular Formula : C19H26KN3O7S
Molecular Weight : 479.59
2-(((1-(2-Aminothiazol-4-yl)-2-oxo-2-((2-oxoethyl)amino)ethylidene)amino)oxy)-2-methylpropanoic Acid
2-(((1-(2-Aminothiazol-4-yl)-2-oxo-2-((2-oxoethyl)amino)ethylidene)amino)oxy)-2-methylpropanoic Acid
Catalogue No.:PA 30 0211004
CAS :
138829-73-9
Molecular Formula : C11H14N4O5S
Molecular Weight : 314.32
