Pharmaceutical Reference Standards / Impurity Standards

Ceftazidime Pentahydrate
Ceftazidime Pentahydrate
  • CAT. No.C420000
  • CAS. No.78439-06-2
  • Mol. F.C22H32N6O12S2
  • Mol. W.636.65 g/mol
  • Stock Status:Instock
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Ceftazidime
Ceftazidime
  • CAT. No.C420000A
  • CAS. No.72558-82-8
  • Mol. F.C22H22N6O7S2
  • Mol. W.546.57
  • Stock Status:Custom Synthesis
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Ceftazidime Pentahydrate
Ceftazidime Pentahydrate
  • CAT. No.C420000B
  • CAS. No.78439-06-2
  • Mol. F.C22H22N6O7S25H2O
  • Mol. W.636.65 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime Dihydrochloride
Ceftazidime Dihydrochloride
  • CAT. No.C420000C
  • CAS. No.73547-70-3
  • Mol. F.C22H22N6O7S22HCl
  • Mol. W.619.51 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime EP Impurity A
Ceftazidime EP Impurity A
  • CAT. No.C420001
  • CAS. No.1000980-60-8
  • Mol. F.C22H22N6O7S2
  • Mol. W.546.58 g/mol
  • Stock Status:Instock
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Ceftazidime,Delta-3-Isomer
Ceftazidime,Delta-3-Isomer
  • CAT. No.C420003
  • CAS. No.NA
  • Mol. F.C22H22N6O7S2
  • Mol. W.546.58 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime Impurity G
Ceftazidime Impurity G
  • CAT. No.C420005
  • CAS. No.194241-83-3
  • Mol. F.C11H14N4O5S
  • Mol. W.314.32 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime Impurity G Trifluoro acetic acid salt
Ceftazidime Impurity G Trifluoro acetic acid salt
  • CAT. No.C420005A
  • CAS. No.194241-83-3(Free Base)
  • Mol. F.C13H15F3N4O7S
  • Mol. W.428.34 g/mol
  • Stock Status:Instock
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Ceftazidime EP Impurity B
Ceftazidime EP Impurity B
  • CAT. No.C420006
  • CAS. No.97148-38-4
  • Mol. F.C22H22N6O7S2
  • Mol. W.546.58 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime Pentahydrate EP Impurity C
Ceftazidime Pentahydrate EP Impurity C
  • CAT. No.C420007
  • CAS. No.3432-88-0
  • Mol. F.C13H13N3O3S
  • Mol. W.291.33 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime Impurity C Hydroiodide
Ceftazidime Impurity C Hydroiodide
  • CAT. No.C420007A
  • CAS. No.NA
  • Mol. F.C13H13N3O3S.HI
  • Mol. W.419.24 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime EP Impurity E
Ceftazidime EP Impurity E
  • CAT. No.C420008
  • CAS. No.102772-66-7
  • Mol. F.CHNOS
  • Mol. W.602.68 g/mol
  • Stock Status:Instock
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Ceftazidime EP Imp H
Ceftazidime EP Imp H
  • CAT. No.C420009
  • CAS. No.1354396-23-8
  • Mol. F.CHNOS
  • Mol. W.560.6g/mol
  • Stock Status:Instock
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Acetoxy Ceftazidime Dimer
Acetoxy Ceftazidime Dimer
  • CAT. No.C420010
  • CAS. No.NA
  • Mol. F.C29H31N7O13S3
  • Mol. W.781.79 g/mol
  • Stock Status:Custom Synthesis
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(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • CAT. No.C420011
  • CAS. No.NA
  • Mol. F.C23H29N5O9S2
  • Mol. W.583.63 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime EP Impurity C Chloride
Ceftazidime EP Impurity C Chloride
  • CAT. No.C420012
  • CAS. No.78931-25-6
  • Mol. F.C13H14ClN3O3S
  • Mol. W.327.79 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime EP Impurity C Iodide
Ceftazidime EP Impurity C Iodide
  • CAT. No.C420013
  • CAS. No.100988-63-4
  • Mol. F.C13H14IN3O3S
  • Mol. W.419.24 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime EP Impurity C
Ceftazidime EP Impurity C
  • CAT. No.C420014
  • CAS. No.41360-25-2
  • Mol. F.C13H14N3O3S
  • Mol. W.292.34 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime Impurity 1
Ceftazidime Impurity 1
  • CAT. No.C420015
  • CAS. No.86299-47-0
  • Mol. F.C13H19N3O5S
  • Mol. W.329.37 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime Impurity 2
Ceftazidime Impurity 2
  • CAT. No.C420016
  • CAS. No.158183-05-2
  • Mol. F.C20H22N4O4S3
  • Mol. W.478.60 g/mol
  • Stock Status:Custom Synthesis
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(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
  • CAT. No.C420017
  • CAS. No.NA
  • Mol. F.C22H22N6O7S2
  • Mol. W.546.58 g/mol
  • Stock Status:Custom Synthesis
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Ceftazidime 7-Epimer
Ceftazidime 7-Epimer
  • CAT. No.C420018
  • CAS. No.2630911-86-1
  • Mol. F.C22H22N6O7S2
  • Mol. W.546.60 g/mol
  • Stock Status:Custom Synthesis
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Formyl Ceftazidine
Formyl Ceftazidine
  • CAT. No.C420019
  • CAS. No.1301254-49-8
  • Mol. F.C23H22N6O8S2
  • Mol. W.574.58 g/mol
  • Stock Status:Custom Synthesis
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