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Chemical materials

Cefditoren Impurity 4 (Cefditoren Δ-3 Isomer)

ULC765 /

CAS No.：148774-47-4

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Cefditoren impurity 5, cefditoren, methoxymethyl

ULC766 /

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Cefditoren Impurity 6 (Cefditoren E-Isomer)

ULC767 /

CAS No.：138514-32-6

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Cefditoren Impurity 8

ULC769 /

CAS No.：878002-84-7

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Acetylcysteine Impurity 8

ULC77010 /

CAS No.：137698-08-9

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Acetylcysteine EP Impurity C

ULC771 /

CAS No.：5545-17-5

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N,S-Carboxymethyl rac-Cysteine HCl

ULC7710 /

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(4S)-2-Hydroxy-2-methyl-4-thiazolidinecarboxylic Acid

ULC77100 /

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Acetylcysteine Impurity 23

ULC77101 /

CAS No.：103974-29-4

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S-(1,2-Dichlorovinyl)-Cysteine HCl

ULC77102 /

CAS No.：2508026-62-6

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Glycylglycylglycyl-L-cysteine

ULC77103 /

CAS No.：245447-20-5

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Acetylcysteine Impurity 24

ULC77104 /

CAS No.：74401-71-1

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N-Acetylcysteine Amide

ULC77105 /

CAS No.：38520-57-9

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N-Acetylcysteine amide-d3

ULC77106 /

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Acetylcysteine Impurity 25

ULC77107 /

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Acetylcysteine Impurity 26

ULC77108 /

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Cysteine Sulfenic Acid

ULC77109 /

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S-Carboxypropyl-L-Cysteine-(R)-Sulfoxide

ULC7711 /

CAS No.：N/A

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N-Nitroso N-Acetylcysteine

ULC77110 /

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N-Benzoyl-DL-homocysteine Thiolactone

ULC77111 /

CAS No.：39837-09-7

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L-Cysteine-D-Xylose Adduct (Amadori)

ULC77112 /

CAS No.：846568-62-5

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L-Cysteine-D-Glucose Adduct

ULC77113 /

CAS No.：232617-16-2

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L-Cysteine-D-Glucose Adduct (Amadori)

ULC77114 /

CAS No.：846568-65-8

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L-Deoxyalliin

ULC77115 /

CAS No.：21593-77-1

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Acetylcysteine Impurity 27

ULC77116 /

CAS No.：84184-18-9

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D-Cysteine Methyl Ester HCl

ULC77117 /

CAS No.：70361-61-4

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Mecysteine-13C3 HCl

ULC77118 /

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Acetylcysteine Impurity 28 (N,N'-Diacetyl-D-cystine)

ULC77119 /

CAS No.：97247-12-6

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S-Carboxypropyl-L-Cysteine-(S)-Sulfoxide

ULC7712 /

CAS No.：N/A

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Acetylcysteine EP Impurity A (L-Cystine)

ULC7713 /

CAS No.：56-89-3

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Acetylcysteine-d3

ULC7714 /

CAS No.：131685-11-5

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Acetylcysteine Impurity 1 Sodium Salt

ULC7715 /

CAS No.：15058-19-2

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S-(1,2,2-Trichlorovinyl)-Cysteine

ULC7716 /

CAS No.：98025-31-1

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S-(1,2,2-Trichlorovinyl)-Cysteine-13C3-15N

ULC7717 /

CAS No.：N/A

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Acetylcysteine

ULC7718 /

CAS No.：616-91-1

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Acetylcysteine EP Impurity D

ULC772 /

CAS No.：18725-37-6

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Acetylcysteine Impurity 14 HCl DiHCl

ULC7720 /

CAS No.：438542-17-7

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S-Trityl-N-Fomc_L-Cysteine

ULC7721 /

CAS No.：103213-32-7

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S-Trityl-N-Fomc_L-Cysteine-34S

ULC7722 /

CAS No.：103213-32-7 (non-labelled)

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Acetylcysteine Impurity 2 (L-Cysteic Acid)

ULC7723 /

CAS No.：498-40-8

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Acetylcysteine Impurity 5 ((S)-Acetylcysteine)

ULC7724 /

CAS No.：26117-28-2

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L-Cysteine S-Sulfate

ULC7725 /

CAS No.：1637-71-4

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L-Cysteine S-Sulfate-13C3-15N

ULC7726 /

CAS No.：1637-71-4 (non-labelled)

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S-Adenosyl-L-Homocysteine

ULC7727 /

CAS No.：979-92-0

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S-Adenosyl-L-Homocysteine-15N4

ULC7728 /

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D-Homocysteine Lactone HCl

ULC7729 /

CAS No.：104347-13-9

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Acetylcysteine EP Impurity B

ULC773 /

CAS No.：52-90-4

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DL-Homocysteine Thiolactone HCl

ULC7730 /

CAS No.：6038-19-3

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L-Homocysteine Thiolactone HCl

ULC7731 /

CAS No.：31828-68-9

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D-Homocysteine Thiolactone

ULC7732 /

CAS No.：130548-06-0

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Telephone 04-2472-8859

Fax 04-2472-8825

Mail taichung@echochemical.com

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Telephone 06-243-6589

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Mail tainan@echochemical.com

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Fax 07-753-1958

Mail kaohsiung@echochemical.com

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