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Chemical materials

Erlotinib Impurity 45

ULE2813 /
CAS No.：183321-83-7
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Erlotinib Impurity 1

ULE2814 /
CAS No.：2204518-92-1
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Erlotinib Impurity 42 (4-Chloro-6-(2-Chloroethoxy)-7-(2-Methoxyethoxy)-Quinazoline)

ULE2815 /
CAS No.：183322-19-2
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Erlotinib Impurity 3

ULE2816 /
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Erlotinib Impurity 4

ULE2817 /
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Erlotinib Impurity 47

ULE2818 /
CAS No.：54060-30-9
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Erlotinib Impurity 2 (4-Chloro-7-(2-Chloroethoxy)-6-(2-Methoxyethoxy)-Quinazoline)

ULE2819 /
CAS No.：183322-20-5
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Erlotinib-d6 HCl

ULE282 /
CAS No.：1189953-78-3
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Erlotinib Impurity 43

ULE2820 /
CAS No.：1624294-38-7
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Erlotinib Impurity 5

ULE2821 /
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Erlotinib Chloro Impurity

ULE2822 /
CAS No.：183322-18-1
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Erlotinib Lactam Impurity

ULE2823 /
CAS No.：179688-29-0
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Erlotinib Impurity 6

ULE2824 /
CAS No.：179688-26-7
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Erlotinib Impurity 7 HCl

ULE2825 /
CAS No.：183322-17-0
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Erlotinib Impurity 8

ULE2826 /
CAS No.：328528-74-1
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Erlotinib Impurity 9

ULE2827 /
CAS No.：2055840-54-3
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Erlotinib Impurity 10

ULE2828 /
CAS No.：950596-58-4
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Erlotinib Impurity 11

ULE2829 /
CAS No.：950596-59-5
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Erlotinib metabolite M11

ULE283 /
CAS No.：882172-60-3
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Erlotinib Impurity 12

ULE2830 /
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Erlotinib Impurity 13

ULE2831 /
CAS No.：236750-65-5
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Erlotinib Impurity 14

ULE2832 /
CAS No.：236750-62-2
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Erlotinib Impurity 15

ULE2833 /
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Erlotinib Impurity 16

ULE2834 /
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Erlotinib Impurity 17

ULE2835 /
CAS No.：183322-16-9
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Erlotinib Impurity 18 HCl

ULE2836 /
CAS No.：299912-61-1 (free base)
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N-Methoxyethyl Erlotinib HCl

ULE2837 /
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Erlotinib Impurity 19

ULE2838 /
CAS No.：1312937-41-9
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Erlotinib Impurity 20

ULE2839 /
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Desmethyl Erlotinib Carboxylate Acid

ULE284 /
CAS No.：1170354-84-3
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Erlotinib Impurity 21

ULE2840 /
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Erlotinib Impurity 22

ULE2841 /
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Erlotinib Impurity 23

ULE2842 /
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Erlotinib Impurity 24

ULE2843 /
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Erlotinib Impurity 25

ULE2844 /
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Erlotinib Impurity 26

ULE2845 /
CAS No.：3943-89-3
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Erlotinib Impurity 27

ULE2846 /
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Erlotinib Impurity 28

ULE2847 /
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Erlotinib Impurity 29

ULE2848 /
CAS No.：574738-66-2
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Erlotinib Impurity 30

ULE2849 /
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Erlotinib O-Desmethyl Metabolite Isomer (M14)

ULE285 /
CAS No.：183321-86-0
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Erlotinib Impurity 31

ULE2850 /
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Erlotinib Impurity 32

ULE2851 /
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Erlotinib Impurity 33

ULE2852 /
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Erlotinib Impurity 34

ULE2853 /
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Erlotinib Impurity 35

ULE2854 /
CAS No.：1839513-98-2
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Erlotinib Impurity 36 HCl

ULE2855 /
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Erlotinib Impurity 37

ULE2856 /
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Erlotinib Impurity 38

ULE2857 /
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Erlotinib Impurity 39

ULE2858 /
CAS No.：99-03-6
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Telephone 06-243-6589
Fax 06-253-8208
Mail tainan@echochemical.com

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Telephone 07-753-9988
Fax 07-753-1958
Mail kaohsiung@echochemical.com
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