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Chemical materials

Cefazolin Impurity 19

ULC9639 /
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Cefazolin Impurity 26

ULC964 /
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Cefazolin Enantiomer

ULC9640 /
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Cefazolin Impurity 20 Trifluoroacetate Salt

ULC9641 /
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Cefazolin Impurity 21

ULC9642 /
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Cefazolin Impurity 22

ULC9643 /
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Cefazolin Impurity 23

ULC9644 /
CAS No.：152541-04-3
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Cefazolin Impurity 24 DiHCl

ULC9645 /
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Cefazolin Impurity 25

ULC9646 /
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Cefazolin Impurity 28

ULC9648 /
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Cefazolin Impurity 29

ULC9649 /
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Cefazolin-d2-15N

ULC965 /
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Cefazolin Impurity 30

ULC9650 /
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Cefazolin Impurity 31

ULC9651 /
CAS No.：1849362-11-3
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Cefazolin Impurity 32 Ammonium Salt

ULC9652 /
CAS No.：1342821-58-2
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Cefazolin Impurity 33

ULC9653 /
CAS No.：56158-48
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Cefazolin EP Impurity K (Cefazolinamide)

ULC9654 /
CAS No.：2410652-70-7
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Cefazolin Impurity 34

ULC9655 /
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Cefazolin Impurity 35

ULC9656 /
CAS No.：1675244-99-1
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Cefazolin Impurity 36 Sodium Salt

ULC9657 /
CAS No.：27164-45-0
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Cefazolin Impurity 38

ULC9658 /
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Cefazolin Impurity 39

ULC9659 /
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Cefazolin-13C2-15N

ULC966 /
CAS No.：2101505-58-0
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Cefazolin Impurity 40

ULC9660 /
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Cefazolin Impurity 41

ULC9661 /
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Cefazolin Impurity 42

ULC9662 /
CAS No.：N/A
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Cefazolin Impurity 43

ULC9663 /
CAS No.：66666-63-5
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Cefazolin Impurity 44

ULC9664 /
CAS No.：20198-75-8
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Cefoxazole

ULC9665 /
CAS No.：36920-48-6
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Cefazolin Impurity 45

ULC9666 /
CAS No.：N/A
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Cefazolin EP Impurity B

ULC967 /
CAS No.：2384108-14-7
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Cefazolin EP Impurity G

ULC968 /
CAS No.：1172998-53-6
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Cefazolin EP Impurity E

ULC969 /
CAS No.：29490-19-5
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Carbasalate Calcium Impurity D

ULC972 /
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Carbasalate Calcium Salt

ULC973 /
CAS No.：5749-67-7
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Clethodim Sulfoxide (Mixture of Diastereomers)

ULC981 /
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Clethodim Impurity 4 (M18R)

ULC9810 /
CAS No.：116007-15-9
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Clethodim Impurity 5 (Mixture of Z and E Isomers)

ULC9811 /
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Clethodim Impurity 6

ULC9812 /
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Clethodim Impurity 7

ULC9813 /
CAS No.：4643-13-4
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Clethodim Impurity 8

ULC9814 /
CAS No.：4643-05-4
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Clethodim Impurity 9 (Clethodim imine sulfoxide)

ULC9815 /
CAS No.：111031-28-8
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Clethodim Impurity 10 (Clethodim imine sulfone)

ULC9816 /
CAS No.：111031-31-3
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Clethodim Impurity 11 (Clethodim imine)

ULC9817 /
CAS No.：111031-25-5
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Clethodim Impurity 12

ULC9818 /
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Clethodim Impurity 13 (Clethodim Oxazole) (Mixture of Diastereomers)

ULC9819 /
CAS No.：111059-49-5
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Clethodim Sulfone

ULC982 /
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Clethodim Impurity 14 (Clethodim Oxazole Sulfoxide) (Mixture of Diastereomers)

ULC9820 /
CAS No.：111031-20-0
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Clethodim Impurity 15 (Clethodim Oxazole Sulfone) (Mixture of Diastereomers)

ULC9821 /
CAS No.：111031-21-1
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Clethodim Impurity 16

ULC9822 /
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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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