Pharmaceutical Impurity Standards & Reference Standards

Browse our full catalog of pharmaceutical impurities, reference materials, and research chemicals.

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CLOXACILLIN

Flucloxacillin Sodium

CAT No.-
CAS No.1847-24-1
Mol. F.C19H16ClFN3NaO5S
Mol. W.475.86
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CLOXACILLIN

Flucloxacillin Sodium Impurity B

CAT No.-
CAS No.N/A
Mol. F.C18H19ClFN3O4S
Mol. W.427.89
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CLOXACILLIN

Flucloxacillin Impurity 1 Disodium Salt

CAT No.-
CAS No.-
Mol. F.C21H19ClFN3O7S. 2 Na
Mol. W.511.92 2 22.99
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CIPROFLOXACIN

Formyl Ciprofloxacin

CAT No.-
CAS No.-
Mol. F.C18H18FN3O4
Mol. W.359.36
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APREPITANT

Fosaprepitant Impurity 14

CAT No.-
CAS No.-
Mol. F.C23H22F7N4O6P
Mol. W.614.41
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APREPITANT

Fosaprepitant Impurity 15

CAT No.-
CAS No.-
Mol. F.C23H23F6N4O6P
Mol. W.596.42
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APREPITANT

Fosaprepitant Impurity 16

CAT No.-
CAS No.-
Mol. F.C37H34F7N4O6P
Mol. W.794.66
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APREPITANT

Fosaprepitant Impurity 17

CAT No.-
CAS No.-
Mol. F.C23H21F7N4O3
Mol. W.534.43
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APREPITANT

Fosaprepitant Impurity 18

CAT No.-
CAS No.-
Mol. F.C24H25F7N4O4
Mol. W.566.48
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APREPITANT

Fosaprepitant Impurity 19 Dimeglumine

CAT No.-
CAS No.-
Mol. F.C23H22F7N4O6P 2.C7H17NO5
Mol. W.614.41 2 195.22
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