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Chemical materials

Ethambutol EP Impurity C DiHCl (2R,2'R-Ethambutol DiHCl)

ULE275 /
CAS No.：134566-79-3
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Ethambutol EP Impurity B DiHCl

ULE276 /
CAS No.：32454-69-6
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(R,R)-Ethambutol-d4 DiHCl

ULE277 /
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Ethambutol-d4

ULE278 /
CAS No.：1129526-19-7
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N-Nitroso Ethambutol

ULE279 /
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Erlotinib HCl

ULE281 /
CAS No.：183319-69-9
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Erlotinib O-Desmethyl Metabolite Isomer (M14) HCl

ULE2810 /
CAS No.：183320-51-6
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AMX3009-d5

ULE28100 /
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Erlotinib Impurity 80

ULE28101 /
CAS No.：1318600-04-2
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Erlotinib Impurity 81

ULE28102 /
CAS No.：1058651-74-3
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Erlotinib Impurity 82

ULE28103 /
CAS No.：2218487-28-4
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Erlotinib Impurity 83

ULE28104 /
CAS No.：1318599-96-0
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Erlotinib Impurity 84

ULE28105 /
CAS No.：1318600-03-1
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Erlotinib Impurity 85

ULE28106 /
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Erlotinib Impurity 86

ULE28107 /
CAS No.：2221937-43-3
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Erlotinib Impurity 87

ULE28108 /
CAS No.：299912-60-0
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Erlotinib Impurity 88

ULE28109 /
CAS No.：1809951-10-7
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Erlotinib impurity, 6,7-bis(2-chloroethoxy)

ULE2811 /
CAS No.：183321-82-6
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Erlotinib Impurity 89

ULE28110 /
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Erlotinib Impurity 90

ULE28111 /
CAS No.：1012057-39-4
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Erlotinib Impurity 91

ULE28112 /
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Erlotinib Impurity 92

ULE28113 /
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Erlotinib Impurity 93

ULE28114 /
CAS No.：1620397-61-6
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Erlotinib Impurity 94

ULE28115 /
CAS No.：154669-16-6
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Erlotinib O-Desmethyl Metabolite Isomer (M-14)-d4 HCl (Phenyl-ring-d4)

ULE28116 /
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N-Nitroso Erlotinib

ULE28117 /
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Erlotinib Impurity 95

ULE28118 /
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Erlotinib Impurity 96

ULE28119 /
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Erlotinib Impurity 44

ULE2812 /
CAS No.：183321-85-9
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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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Telephone 02-2786-2331
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Mail taipei@echochemical.com

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Telephone 03-494-6939
Fax 03-493-0687
Mail chungli@echochemical.com

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Telephone 037-621-088
Fax 037-615-096
Mail miaoli@echochemical.com

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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

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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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