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Chemical materials

Gefitinib Impurity 18

ULG2338 /
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Gefitinib Impurity 19

ULG2339 /
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Gefitinib Impurity 12 (O-Desmorpholinopropyl Gefitinib)

ULG234 /
CAS No.：184475-71-6
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Gefitinib Impurity 20

ULG2340 /
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Gefitinib Impurity 21

ULG2341 /
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Gefitinib Impurity 22

ULG2342 /
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Gefitinib Impurity 23

ULG2343 /
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Gefitinib Impurity 24

ULG2344 /
CAS No.：675126-28-0
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Gefitinib Impurity 25

ULG2345 /
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Gefitinib Impurity 26

ULG2346 /
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Gefitinib Impurity 27

ULG2347 /
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Gefitinib Impurity 28

ULG2348 /
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Gefitinib Impurity 29

ULG2349 /
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3-Desmorpholinyl-3-Hydroxyethylamino Gefitinib

ULG235 /
CAS No.：847949-56-8
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Gefitinib Impurity 30

ULG2350 /
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Gefitinib Impurity 31

ULG2351 /
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Gefitinib Impurity 32

ULG2352 /
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Gefitinib Impurity 33

ULG2353 /
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Gefitinib Impurity 34

ULG2354 /
CAS No.：194423-17-1
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Gefitinib Impurity 35 (3,4-Difluoroaniline)

ULG2355 /
CAS No.：3863-11-4
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Gefitinib Impurity 36

ULG2356 /
CAS No.：2106-04-9
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Gefitinib Impurity 37

ULG2357 /
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Gefitinib Impurity 38

ULG2358 /
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Gefitinib Impurity 39

ULG2359 /
CAS No.：675126-27-9
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4-Defluoro-4-Hydroxy Gefitinib

ULG236 /
CAS No.：847949-50-2
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Gefitinib Impurity 40

ULG2360 /
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Gefitinib Impurity 41

ULG2361 /
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Gefitinib Impurity 42 (Isovanillin)

ULG2362 /
CAS No.：621-59-0
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Gefitinib Impurity 43

ULG2363 /
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Isovanillin Impurity 1

ULG2364 /
CAS No.：193552-54-4
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Gefitinib Impurity 44

ULG2365 /
CAS No.：2106-49-2
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Gefitinib Impurity 45

ULG2366 /
CAS No.：861453-12-5
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Gefitinib Impurity 46

ULG2367 /
CAS No.：1379208-77-1
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Gefitinib Impurity 47

ULG2368 /
CAS No.：861453-16-9
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Gefitinib Impurity 48

ULG2369 /
CAS No.：1374224-08-4
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Gefitinib Impurity 55

ULG237 /
CAS No.：1502829-45-9
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Gefitinib Impurity 49

ULG2370 /
CAS No.：2347417-64-3
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N-Nitroso-Gefitinib

ULG2371 /
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Gefitinib Impurity 50

ULG2372 /
CAS No.：692059-41-9
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Gefitinib Impurity 51

ULG2373 /
CAS No.：912556-91-3
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Gefitinib Impurity 52

ULG2374 /
CAS No.：847949-54-6
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Gefitinib Impurity 53

ULG2375 /
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Gefitinib Impurity 62

ULG2376 /
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Gefitinib Impurity 63

ULG2377 /
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Gefitinib Impurity 54

ULG238 /
CAS No.：153437-78-6
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Gefitinib Impurity 57 HCl

ULG239 /
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Guanine-15N5

ULG241 /
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3'-O-Azidomethyl-Deoxyguanosine Triphosphate (dGTP)

ULG2410 /
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c-Di-GMP

ULG2411 /
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2',2'-cGAMP

ULG2412 /
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LOCATIONS

Service location

Taipei, New Taipei, Keelung / Yilan / Hualien
  • Taipei, New Taipei, Keelung / Yilan / Hualien
  • Taoyuan
  • Hsinchu County / Hsinchu City / Miaoli
  • Taichung/Changhua/Nantou
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  • Kaohsiung/Pingtung/Taitung

Taipei Branch

Address 5th Floor, No. 10, Lane 50, Section 3, Nangang Road, Nangang District, Taipei City
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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