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Chemical materials

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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Erlotinib Impurity 40

ULE2859 /
CAS No.：52670-38-9
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Erlotinib Hydroxy Metabolite

ULE286 /
CAS No.：882420-22-6
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Erlotinib Impurity 41

ULE2860 /
CAS No.：14235-81-5
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Erlotinib Impurity 46

ULE2861 /
CAS No.：938185-06-9
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Erlotinib Impurity 97

ULE2862 /
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Erlotinib Impurity 48

ULE2863 /
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Erlotinib Impurity 49

ULE2864 /
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Erlotinib O-Desmethyl Metabolite Isomer (M13)

ULE2865 /
CAS No.：183320-29-8
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Erlotinib Impurity 50

ULE2866 /
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Erlotinib Impurity 51

ULE2867 /
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Erlotinib Impurity 52

ULE2868 /
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Erlotinib Impurity 53

ULE2869 /
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Erlotinib Carboxylic Acid

ULE287 /
CAS No.：882420-21-5
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Erlotinib Impurity 54

ULE2870 /
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Erlotinib Impurity 55

ULE2871 /
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Erlotinib Impurity 56

ULE2872 /
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Erlotinib Impurity 57

ULE2873 /
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Erlotinib Impurity 58

ULE2874 /
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Erlotinib Impurity 59

ULE2875 /
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Erlotinib Impurity 60

ULE2876 /
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Erlotinib Impurity 61

ULE2877 /
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LOCATIONS

Service location

Taipei, New Taipei, Keelung / Yilan / Hualien
  • Taipei, New Taipei, Keelung / Yilan / Hualien
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Taipei Branch

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Telephone 02-2786-2331
Fax 02-2653-6959
Mail taipei@echochemical.com

Taoyuan Branch

Address 2nd Floor, No. 62, Fuxing Street, Pingzhen District, Taoyuan City
Telephone 03-494-6939
Fax 03-493-0687
Mail chungli@echochemical.com

Head Office / Zhumen Branch

Address No. 16, Gongye Road, Toufen City, Miaoli County
Telephone 037-621-088
Fax 037-615-096
Mail miaoli@echochemical.com

Taichung Branch

Address 15F-2, No. 218, Section 1, Wenxin Road, Nantun District, Taichung City
Telephone 04-2472-8859
Fax 04-2472-8825
Mail taichung@echochemical.com

Tainan Branch

Address No. 33, Lane 63, Yanzhou 1st Street, Yongkang District, Tainan City
Telephone 06-243-6589
Fax 06-253-8208
Mail tainan@echochemical.com

Kaohsiung Branch

Address No. 479, Fengding Road, Fengshan District, Kaohsiung City
Telephone 07-753-9988
Fax 07-753-1958
Mail kaohsiung@echochemical.com
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