Pharmaceutical Reference Standards / Impurity Standards

Ampicilin Trihydrate
Ampicilin Trihydrate
  • CAT. No.A480000
  • CAS. No.7177-48-2
  • Mol. F.C16H19N3O4S3H2O
  • Mol. W.403.45 g/mol
  • Stock Status:Instock
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Ampicillin
Ampicillin
  • CAT. No.A480000A
  • CAS. No.69-53-4
  • Mol. F.C16H19N3O4S
  • Mol. W.349.40 g/mol
  • Stock Status:Instock
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Ampicillin Sodium Salt
Ampicillin Sodium Salt
  • CAT. No.A480000B
  • CAS. No.69-52-3;69-53-4(FreeBase)
  • Mol. F.C16H18N3NaO4S
  • Mol. W.371.39 g/mol
  • Stock Status:Custom Synthesis
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Ampicilin Anhydrous
Ampicilin Anhydrous
  • CAT. No.A480000C
  • CAS. No.69-53-4
  • Mol. F.C16H19N3O4S
  • Mol. W.349.40 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin EP Impurity B
Ampicillin EP Impurity B
  • CAT. No.A480001
  • CAS. No.19379-33-0
  • Mol. F.C16H19N3O4S
  • Mol. W.349.40 g/mol
  • Stock Status:Instock
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Ampicillin Impurity C
Ampicillin Impurity C
  • CAT. No.A480002
  • CAS. No.49841-96-5
  • Mol. F.C16H19N3O4S
  • Mol. W.349.40 g/mol
  • Stock Status:Instock
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Ampicillin EP Impurity D
Ampicillin EP Impurity D
  • CAT. No.A480003
  • CAS. No.32746-94-4
  • Mol. F.C16H21N3O5S
  • Mol. W.367.42 g/mol
  • Stock Status:Limited Stock
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Ampicillin EP Impurity G
Ampicillin EP Impurity G
  • CAT. No.A480004
  • CAS. No.31485-02-6
  • Mol. F.C16H14N2O2
  • Mol. W.266.29 g/mol
  • Stock Status:Instock
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Ampicillin EP Impurity H
Ampicillin EP Impurity H
  • CAT. No.A480005
  • CAS. No.73200-73-4
  • Mol. F.C10H8N2O
  • Mol. W.172.18 g/mol
  • Stock Status:Instock
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Ampicillin EP Impurity J
Ampicillin EP Impurity J
  • CAT. No.A480006
  • CAS. No.6489-58-3
  • Mol. F.C13H20N2O4S
  • Mol. W.300.37 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin EP Impurity K
Ampicillin EP Impurity K
  • CAT. No.A480007
  • CAS. No.40610-41-1
  • Mol. F.C13H17NO3
  • Mol. W.235.28 g/mol
  • Stock Status:Instock
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Ampicillin EP Impurity F
Ampicillin EP Impurity F
  • CAT. No.A480008
  • CAS. No.124774-48-7
  • Mol. F.C15H21N3O3S
  • Mol. W.323.41 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin EP Impurity I
Ampicillin EP Impurity I
  • CAT. No.A480009
  • CAS. No.10001-82-8
  • Mol. F.C24H26N4O5S
  • Mol. W.482.55 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin EP Impurity E
Ampicillin EP Impurity E
  • CAT. No.A480010
  • CAS. No.1207726-28-0
  • Mol. F.C24H26N4O5S
  • Mol. W.482.56 g/mol
  • Stock Status:Limited Stock
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Ampicillin EP Impurity M
Ampicillin EP Impurity M
  • CAT. No.A480011
  • CAS. No.NA
  • Mol. F.C32H38N6O8S2
  • Mol. W.698.81 g/mol
  • Stock Status:Instock
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Ampicillin Oligomer 1 (trimer)
Ampicillin Oligomer 1 (trimer)
  • CAT. No.A480012
  • CAS. No.NA
  • Mol. F.C48H57N9O12S3
  • Mol. W.1048.21 g/mol
  • Stock Status:Instock
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Ampicilloic Acid Dimer
Ampicilloic Acid Dimer
  • CAT. No.A480013
  • CAS. No.NA
  • Mol. F.C32H40N6O9S2
  • Mol. W.716.82 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin Open Ring Dimer
Ampicillin Open Ring Dimer
  • CAT. No.A480014
  • CAS. No.NA
  • Mol. F.C31H40N6O7S2
  • Mol. W.672.82 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin Dimer Disodium Salt Hydrate
Ampicillin Dimer Disodium Salt Hydrate
  • CAT. No.A480015
  • CAS. No.NA
  • Mol. F.C32H36N6Na2O8S2.H2O
  • Mol. W.742.77 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin EP Impurity N
Ampicillin EP Impurity N
  • CAT. No.A480017
  • CAS. No.NA
  • Mol. F.C16H19N3O4S
  • Mol. W.349.41 g/mol
  • Stock Status:Instock
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Ampicillin oligomer 2
Ampicillin oligomer 2
  • CAT. No.A480018
  • CAS. No.1207725-82-3
  • Mol. F.C32H40N6O9S2
  • Mol. W.716.8 g/mol
  • Stock Status:Instock
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Ampicillin EP Impurity M
Ampicillin EP Impurity M
  • CAT. No.A480019
  • CAS. No.NA
  • Mol. F.C34H38N4Na2O8S2
  • Mol. W.740.80 g/mol
  • Stock Status:Custom Synthesis
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N-Formyl Ampicilloic Acid
N-Formyl Ampicilloic Acid
  • CAT. No.A480021
  • CAS. No.NA
  • Mol. F.C17H21N3O6S
  • Mol. W.395.43 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin Hydantoin Analog
Ampicillin Hydantoin Analog
  • CAT. No.A480022
  • CAS. No.NA
  • Mol. F.C17H17N3O5S
  • Mol. W.375.40 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin EP Impurity N Dimer Trisodium Salt
Ampicillin EP Impurity N Dimer Trisodium Salt
  • CAT. No.A480023
  • CAS. No.NA
  • Mol. F.C32H40N6O9S2:3Na
  • Mol. W.782.77 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin Impurity F (Mixture of Diastereomers)
Ampicillin Impurity F (Mixture of Diastereomers)
  • CAT. No.A480024
  • CAS. No.2197189-82-3
  • Mol. F.C15H21N3O3S
  • Mol. W.323.41 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin Dimer
Ampicillin Dimer
  • CAT. No.A480025
  • CAS. No.62326-82-3
  • Mol. F.C32H38N6O8S2
  • Mol. W.698.81 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin Penicilloic Acid
Ampicillin Penicilloic Acid
  • CAT. No.A480026
  • CAS. No.1642629-93-3
  • Mol. F.C16H21N3O5S
  • Mol. W.367.42 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin EP Impurity C
Ampicillin EP Impurity C
  • CAT. No.A480027
  • CAS. No.NA
  • Mol. F.C16H19N3O4S
  • Mol. W.349.40 g/mol
  • Stock Status:Custom Synthesis
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Ampicillin Impurity 1
Ampicillin Impurity 1
  • CAT. No.C220020
  • CAS. No.142975-48-2
  • Mol. F.C11H10N2O3
  • Mol. W.218.21 g/mol
  • Stock Status:Instock
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Ampicillin EP Impurity A
Ampicillin EP Impurity A
  • CAT. No.F260001
  • CAS. No.551-16-6
  • Mol. F.C8H12N2O3S
  • Mol. W.216.26 g/mol
  • Stock Status:Instock
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Isotope Labelled Compounds

Ampicillin-D5
Ampicillin-D5
  • CAT. No.A480020
  • CAS. No.1426173-65-0
  • Mol. F.C16H14D5N3O4S
  • Mol. W.354.44 g/mol
  • Stock Status:Under Synthesis
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