Pharmaceutical Impurity Standards & Reference Standards

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

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ERLOTINIB

Erlotinib O-Desmethyl Metabolite Isomer (M14)HCl

CAT No.-
CAS No.183320-51-6
Mol. F.C21H21N3O4. HCl
Mol. W.379.42 36.46
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ERLOTINIB

Erlotinib Impurity 18 HCl

CAT No.-
CAS No.299912-61-1 (freebase)
Mol. F.C22H27N3O4. HCl
Mol. W.397.48 36.46
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ERLOTINIB

Erlotinib impurity, 6,7-bis(2-chloroethoxy)

CAT No.-
CAS No.183321-82-6
Mol. F.C20H17Cl2N3O2
Mol. W.402.28
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ERLOTINIB

Erlotinib Impurity 44

CAT No.-
CAS No.183321-85-9
Mol. F.C21H20ClN3O3
Mol. W.397.86
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ERLOTINIB

Erlotinib Impurity 45

CAT No.-
CAS No.183321-83-7
Mol. F.C21H20ClN3O3
Mol. W.397.86
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ERLOTINIB

Erlotinib Impurity 1

CAT No.-
CAS No.-
Mol. F.C22H24ClN3O4
Mol. W.429.90
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ERLOTINIB

Erlotinib Impurity 42 (4-Chloro-6-(2-Chloroethoxy) 7-(2-Methoxyethoxy)-Quinazoline)

CAT No.-
CAS No.183322-19-2
Mol. F.C13H14Cl2N2O3
Mol. W.317.17
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ERLOTINIB

Erlotinib Impurity 3

CAT No.-
CAS No.-
Mol. F.C14H16Cl2N2O4
Mol. W.347.19
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ERLOTINIB

Erlotinib Impurity 4

CAT No.-
CAS No.-
Mol. F.C21H23N3O6
Mol. W.413.43
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ERLOTINIB

Erlotinib Impurity (3-Ethynylailine)

CAT No.-
CAS No.54060-30-9
Mol. F.C8H7N
Mol. W.117.15
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