Pharmaceutical Impurity Standards & Reference Standards

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

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ERLOTINIB

Erlotinib Impurity 41

CAT No.-
CAS No.14235-81-5
Mol. F.C8H7N
Mol. W.117.15
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ERLOTINIB

Erlotinib Impurity 46

CAT No.-
CAS No.938185-06-9
Mol. F.C16H11N3O2
Mol. W.277.28
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ERLOTINIB

Erlotinib Impurity 47 HCl

CAT No.-
CAS No.-
Mol. F.C16H25NO6. HCl
Mol. W.327.38 36.46
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ERLOTINIB

Erlotinib Impurity 48

CAT No.-
CAS No.-
Mol. F.C15H23NO6. HCl
Mol. W.313.35 36.46
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ERLOTINIB

Erlotinib Impurity 49

CAT No.-
CAS No.-
Mol. F.C15H21NO8
Mol. W.343.33
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ERTAPENEM

Ertapenem-d4 Disodium

CAT No.-
CAS No.N/A
Mol. F.C22H19N3O7SD4 2Na
Mol. W.477.53 2x22.99
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ERTAPENEM

Ertapenem Side Chain Enantiomer 1

CAT No.-
CAS No.-
Mol. F.C20H19N3O7S
Mol. W.445.45
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ERTAPENEM

Ertapenem Side Chain Enantiomer 2 HCl

CAT No.-
CAS No.503607-49-6
Mol. F.C12H14N2O3S. HCl
Mol. W.266.32 36.46
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ERTAPENEM

Ertapenem N-Carbonyl Dimer Impurity

CAT No.-
CAS No.1199797-43-7
Mol. F.C44H48N6O13S2
Mol. W.933.03
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ERTAPENEM

Ertapenem Dimer Ester Impurity

CAT No.-
CAS No.402955-38-8
Mol. F.C44H50N6O14S2
Mol. W.951.05
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