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Chemical materials

Acetylcysteine Impurity 9 Sodium Salt

ULC7733 /

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N-Acetyl-S-(3-Oxopropyl)-L-Cysteine

ULC7734 /

CAS No.：140226-30-8

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N-Acetyl-S-3-Hydroxypropylcysteine-d6

ULC7735 /

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Acetylcysteine Impurity 4 Disodium Salt

ULC7736 /

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Acetylcysteine Impurity 3

ULC7737 /

CAS No.：79560-92-2

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Acetylcysteine EP Impurity B-13C3 (L-Cysteine-13C3)

ULC7738 /

CAS No.：52-90-4 (non-labelled)

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N-(Acetyl-d3)-S-(3-Oxopropyl)-L-Cysteine

ULC7739 /

CAS No.：140226-30-8 (non-labelled)

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S-(1,2-Dichlorovinyl)-Cysteine

ULC774 /

CAS No.：13419-46-0

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N-Acetyl-S-(2-hydroxypropyl)-L-Cysteine Dicyclohexylammonium Salt

ULC7740 /

CAS No.：38130-86-8

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N-Acetyl-S-(2-hydroxypropyl)Cysteine-d3 Dicyclohexylammonium Salt

ULC7741 /

CAS No.：1356934-59-2

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N-Acetyl-S-(2-hydroxypropyl)Cysteine-d6 Dicyclohexylammonium Salt

ULC7742 /

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N,S-Carboxymethyl L-Cysteine HCl

ULC7743 /

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Acetylcysteine Impurity 6

ULC7744 /

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Acetylcysteine Impurity 7 (rac-Acetylcysteine)

ULC7745 /

CAS No.：7218-04-4

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S-Methyl-L-Cysteine S-oxide-13C-d3

ULC7747 /

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Fmoc-D-Cys(Trt)-OH

ULC7748 /

CAS No.：167015-11-4

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N,S-Carboxymethyl rac-Cysteine

ULC7749 /

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

ULC775 /

CAS No.：13419-46-0 (non-labelled)

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Acetylcysteine Impurity 12

ULC7750 /

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Acetylcysteine Impurity 13 (CEMA)

ULC7751 /

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S-Carboxyethyl-mercapturic Acid-d7 (CEMA-d7)

ULC7752 /

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DL-Phenylmercapturic Acid

ULC7753 /

CAS No.：20640-68-0

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DL-Phenylmercapturic Acid-d5

ULC7754 /

CAS No.：20640-68-0 (non-labelled)

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HMPMA

ULC7755 /

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HMPMA-d5

ULC7756 /

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L-Phenylmercapturic Acid

ULC7757 /

CAS No.：4775-80-8

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L-Phenylmercapturic Acid-d5

ULC7758 /

CAS No.：4775-80-8 (non-labelled)

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(2R)-HMPMA (Mixture of Diastereomers)

ULC7759 /

CAS No.：33164-64-6

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(2R)-HMPMA-d5

ULC7760 /

CAS No.：33164-64-6 (non-labelled)

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Acetylcysteine Impurity 10

ULC7761 /

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Acetylcysteine Impurity 11 HCl

ULC7762 /

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Mecysteine HCl

ULC7763 /

CAS No.：18598-63-5

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N-Carbobenzoxy-S-Phenyl-L-Cysteine Methyl Ester

ULC7764 /

CAS No.：153277-33-9

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Acetylcysteine Impurity 15

ULC7765 /

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S-(2-Thiazolyl)-L-Cysteine

ULC7766 /

CAS No.：405150-20-1

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L-Cysteinyl-L-Cysteine Trifluoroacetate

ULC7767 /

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L-Cysteinesulfinic acid

ULC7768 /

CAS No.：1115-65-7

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L-Cysteine sulfinic acid 2

ULC7769 /

CAS No.：2381-08-0

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S-Carboxymethyl- L-Cysteine Sulfoxide (Carbocisteine S-Oxide)

ULC777 /

CAS No.：5439-87-2

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Acetylcysteine Impurity 16 HCl

ULC7770 /

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L-Thiocysteine Potassium Salt

ULC7771 /

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Acetylcysteine Impurity 17

ULC7772 /

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Acetylcysteine Impurity 18

ULC7773 /

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(S)-2-methyl-4,5-dihydrothiazole-4-carboxylic acid

ULC7774 /

CAS No.：190601-71-9

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Acetylcysteine Impurity 19

ULC7775 /

CAS No.：6436-58-4

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D-Cysteine

ULC7776 /

CAS No.：921-01-7

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Acetylcysteine Impurity 9 Potassium Salt

ULC7777 /

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Ethylene Dicysteine Diethyl Ester (ECD) DiHCl

ULC7778 /

CAS No.：14344-58-2

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S-Benzyl-L-Cysteine

ULC7779 /

CAS No.：3054-01-1

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Cysteine Impurity 1

ULC778 /

CAS No.：62305-89-9

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Telephone 03-494-6939

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Telephone 037-621-088

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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

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Telephone 07-753-9988

Fax 07-753-1958

Mail kaohsiung@echochemical.com

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