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Impurities

customized Impurity
Erlotinib Inhouse Impurity 10 / Desmethyl Erlotini...

CAT No :   GS.30.ERN.40

CAS No :   183320-15-2

customized Impurity
Erlotinib Inhouse Impurity 11 / Erlotinib Carboxyl...

CAT No :   GS.30.ERN.41

CAS No :   882420-21-5

Ready Stock Impurity
Erlotinib Inhouse Impurity 12 / 3,4-Dihydroxybenzo...

CAT No :   GS.30.ERN.42

CAS No :   99-50-3

Ready Stock Impurity
Erlotinib Inhouse Impurity 13 / Vanillic Acid

CAT No :   GS.30.ERN.43

CAS No :   121-34-6

QC Pending Impurity
Erlotinib Inhouse Impurity 14 / Ethyl 3,4-Dihydrox...

CAT No :   GS.30.ERN.44

CAS No :   3943-89-3

Ready Stock Impurity
Erlotinib Inhouse Impurity 15 / Ethyl 3,4-bis(2-me...

CAT No :   GS.30.ERN.45

CAS No :   183322-16-9

Ready Stock Impurity
Erlotinib Inhouse Impurity 16 / Ethyl 4,5-Bis(2-me...

CAT No :   GS.30.ERN.46

CAS No :   179688-26-7

Ready Stock Impurity
Erlotinib Inhouse Impurity 17 / Ethyl 2-amino-4,5-...

CAT No :   GS.30.ERN.47

CAS No :   183322-17-0

Ready Stock Impurity
Erlotinib Inhouse Impurity 18 / Formamide

CAT No :   GS.30.ERN.48

CAS No :   75-12-7

QC Pending Impurity
Erlotinib Inhouse Impurity 19 / 4-Chloro-quinazoli...

CAT No :   GS.30.ERN.49

CAS No :   1145671-36-8

customized Impurity
Erlotinib Inhouse Impurity 2 / Erlotinib 3-Bromo I...

CAT No :   GS.30.ERN.32

CAS No :   2055840-41-8

QC Pending Impurity
Erlotinib Inhouse Impurity 20 / 4-chloro-7-methoxy...

CAT No :   GS.30.ERN.50

CAS No :   574745-97-4

Ready Stock Impurity
Erlotinib Inhouse Impurity 21 / 3,4-Dihydro-7-meth...

CAT No :   GS.30.ERN.131

CAS No :   179688-53-0

Ready Stock Impurity
Erlotinib Inhouse Impurity 22 / 4-Chloro-7-methoxy...

CAT No :   GS.30.ERN.132

CAS No :   230955-75-6

customized Impurity
Erlotinib Inhouse Impurity 23 / 4-chloro-6-methoxy...

CAT No :   GS.30.ERN.133

CAS No :   179688-03-0

customized Impurity
Erlotinib Inhouse Impurity 24 / 6,7-Diacetoxy-4-ch...

CAT No :   GS.30.ERN.134

CAS No :   938185-04-7

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