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Lansoprazole Impurity 20

ULL0358 /

CAS No.：168167-49-5

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Lansoprazole Impurity 21

ULL0359 /

CAS No.：22710-07-2

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6-Hydroxy Lansoprazole Sulfide

ULL036 /

CAS No.：131926-95-9

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Lansoprazole Impurity 22

ULL0360 /

CAS No.：37699-43-7

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Lansoprazole Impurity 24

ULL0361 /

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Lansoprazole Impurity 25

ULL0362 /

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Lansoprazole Impurity 26 (5-Hydroxybenzimidazole)

ULL0363 /

CAS No.：41292-65-3

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Lansoprazole Impurity 27

ULL0364 /

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Lansoprazole Impurity 28

ULL0365 /

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Lansoprazole Impurity 29

ULL0366 /

CAS No.：7152-24-1

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Lansoprazole Impurity 30

ULL0367 /

CAS No.：2648463-07-2

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Lansoprazole Impurity 31

ULL0368 /

CAS No.：60373-71-9

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Lansoprazole Impurity 32

ULL0369 /

CAS No.：110763-56-9

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(R)-Lansoprazole

ULL037 /

CAS No.：138530-94-6

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Lansoprazole Impurity 33 Chloride

ULL0370 /

CAS No.：2730135-08-5

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N-Nitroso (R)-Lansoprazole

ULL0371 /

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N-Nitroso Lansoprazole EP Impurity C

ULL0372 /

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N-Nitroso Lansoprazole EP Impurity E

ULL0373 /

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Lansoprazole Impurity 36

ULL0374 /

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Lansoprazole Impurity 37

ULL0375 /

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Lansoprazole Impurity 48

ULL0376 /

CAS No.：27231-33-0

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Lansoprazole Glucuronide

ULL038 /

CAS No.：N/A

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Lansoprazole EP Impurity A (Lansoprazole N-Oxide)

ULL039 /

CAS No.：213476-12-1

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Leflunomide

ULL041 /

CAS No.：75706-12-6

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Leflunomide EP Impurity F

ULL0410 /

CAS No.：1403564-06-6

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Leflunomide EP Impurity G

ULL0411 /

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Leflunomide EP Impurity H (Teriflunomide EP Impurity B)

ULL0412 /

CAS No.：24522-30-3

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Teriflunomide-E Isomer

ULL0413 /

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Ethyl 3-methylisoxazole-4-carboxylate

ULL0414 /

CAS No.：20328-15-8

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Leflunomide Metabolite Ethyl Analog

ULL0415 /

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Leflunomide Related Compound (Methyl 5-methyl-1,2-oxazole-3-carboxylate)

ULL0416 /

CAS No.：19788-35-3

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Leflunomide Impurity 1

ULL0417 /

CAS No.：202057-74-7

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Leflunomide Impurity 2

ULL0418 /

CAS No.：827029-20-9

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Leflunomide Impurity 3

ULL0419 /

CAS No.：62004-05-1

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Leflunomide-d4

ULL042 /

CAS No.：1189987-23-2

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Leflunomide Impurity 4

ULL0420 /

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Leflunomide Impurity 5

ULL0421 /

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Leflunomide Impurity 6

ULL0422 /

CAS No.：17153-20-7

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Leflunomide Impurity 7

ULL0423 /

CAS No.：88511-40-4

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Leflunomide Impurity 8

ULL0424 /

CAS No.：145208-39-5

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Leflunomide Impurity 9

ULL0425 /

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Leflunomide Impurity 10

ULL0426 /

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Leflunomide Impurity 11

ULL0427 /

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Leflunomide Impurity 12

ULL0428 /

CAS No.：67305-24-2

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Leflunomide Impurity 13

ULL0429 /

CAS No.：88-17-5

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Leflunomide EP Impurity B (Teriflunomide)

ULL043 /

CAS No.：163451-81-8

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Leflunomide EP Impurity B-d4 (Teriflunomide-d4)

ULL044 /

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Leflunomide EP Impurity E

ULL045 /

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Leflunomide EP Impurity C

ULL047 /

CAS No.：61643-23-0

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Leflunomide EP Impurity A

ULL048 /

CAS No.：455-14-1

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Telephone 04-2472-8859

Fax 04-2472-8825

Mail taichung@echochemical.com

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Telephone 06-243-6589

Fax 06-253-8208

Mail tainan@echochemical.com

Kaohsiung Branch

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Telephone 07-753-9988

Fax 07-753-1958

Mail kaohsiung@echochemical.com

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