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Chemical materials

Atracurium Besylate (Mixture of Isomers)

ULA7595 /

CAS No.：64228-81-5

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Atracurium Impurity 49 Diiodide

ULA7596 /

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Atracurium Impurity 50 Diiodide

ULA7597 /

CAS No.：1193104-79-8

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Atracurium Impurity 51 Iodide

ULA7598 /

CAS No.：2411761-85-6

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Atracurium Impurity 52

ULA7599 /

CAS No.：2480467-84-1

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Aspartame EP Impurity B

ULA761 /

CAS No.：13433-09-5

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rac-Aspartame EP Impurity C (DL-Phenylalanine)

ULA762 /

CAS No.：150-30-1

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Aspartame-d5

ULA763 /

CAS No.：1356849-17-6

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Aspartame EP Impurity A

ULA764 /

CAS No.：5262-10-2

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Aspartame

ULA765 /

CAS No.：22839-47-0

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Aspartame EP Impurity C (Nateglinide EP Impurity D, Tyrosine EP Impurity A)

ULA766 /

CAS No.：63-91-2

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Aspartame Impurity 1 (Glycine Anhydride)

ULA767 /

CAS No.：106-57-0

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Atazanavir

ULA771 /

CAS No.：198904-31-3

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Atazanavir EP Impurity C

ULA7710 /

CAS No.：1192224-24-0

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Atazanavir R,S,S,S-Diastereomer

ULA7711 /

CAS No.：1332981-14-2

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Atazanavir S,S,S,R-Diastereomer

ULA7712 /

CAS No.：1332981-16-4

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Atazanavir EP Impurity H (Atazanavir S,R,R,S-Diastereomer)

ULA7713 /

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Atazanavir Benzylidenehydrazine Carbamate

ULA7714 /

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Atazanavir related compound A

ULA7715 /

CAS No.：162537-11-3

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Atazanavir EP Impurity J (Atazanavir Di-tert-butyl Analog)

ULA7716 /

CAS No.：198904-86-8

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Atazanavir R,S,S,R-Diastereomer

ULA7717 /

CAS No.：1292296-11-7

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Atazanavir S,S,R,S-Diastereomer

ULA7718 /

CAS No.：1292296-10-6

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Atazanavir Benzylidenehydrazine Analogue

ULA7719 /

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Atazanavir-d6

ULA772 /

CAS No.：1092540-50-5

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Atazanavir Impurity 4

ULA7720 /

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Atazanavir Impurity 19

ULA7721 /

CAS No.：198904-85-7

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Atazanavir Impurity 17

ULA7722 /

CAS No.：98760-08-8

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Atazanavir Impuirty 5

ULA7723 /

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Atazanavir Impurity 9 (4R,5R-Diasteroisomer of DIBOC)

ULA7724 /

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Atazanavir Impurity 10 (4S,5R-Diasteroisomer of DIBOC)

ULA7725 /

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Atazanavir Impurity 6 (4R,5S-Diasteroisomer of DIBOC)

ULA7726 /

CAS No.：1006868-81-0

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Atazanavir Impurity 7

ULA7727 /

CAS No.：1192224-26-2

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Atazanavir Impurity 8

ULA7728 /

CAS No.：1028634-76-5

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rac-Atazanavir Impurity 9

ULA7729 /

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Atazanavir Impurity 1

ULA773 /

CAS No.：1292296-09-3

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Atazanavir Impurity 11

ULA7730 /

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Atazanavir Impurity 12

ULA7731 /

CAS No.：198904-84-6

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Atazanavir Impurity 13

ULA7732 /

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Atazanavir Impurity 14

ULA7733 /

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Atazanavir R,R,R,R-diastereomer

ULA7734 /

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Atazanavir Impurity 18

ULA7735 /

CAS No.：156474-22-5

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Atazanavir Impurity 20

ULA7736 /

CAS No.：102123-74-0

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Atazanavir Impurity 21

ULA7737 /

CAS No.：98737-29-2

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Atazanavir Impurity 22

ULA7738 /

CAS No.：99113-35-6

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Atazanavir Impurity 23

ULA7739 /

CAS No.：149451-80-9

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Atazanavir Impurity 3

ULA774 /

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Atazanavir Impurity 24

ULA7740 /

CAS No.：156474-21-4

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Erythro-N-Boc-D-phenylalanine Epoxide

ULA7741 /

CAS No.：98818-34-9

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Atazanavir Impurity 25

ULA7742 /

CAS No.：869285-68-7

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(R)-Atazanavir Related Compound A

ULA7743 /

CAS No.：1191091-65-2

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Telephone 04-2472-8859

Fax 04-2472-8825

Mail taichung@echochemical.com

Tainan Branch

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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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