深圳遠揚化學技術有限公司新到非布司他雜質一批，申報可用，隨貨提供COA證書，氫譜，質譜及HPLC，純度符合申報要求，質量保證。更多雜質對照品，歡迎進入我公司展臺查詢。

非布司他雜質列表如下：

Febuxostat

2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 1

ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 2

ethyl 2-(3-formyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 3

ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 4

2-(3-carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 5

ethyl 2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 6

(E)-ethyl 2-(3-((hydroxyimino)methyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 7

(E)-2-(3-((hydroxyimino)methyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 8

2-(3-formyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 9

2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 10

2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid 1-oxide

Febuxostat Impurity 11

2-(3-carboxy-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 12

4-isobutoxybenzene-1,3-bis(carbothioamide)

Febuxostat Impurity 13

dimethyl 2,2'-(4-isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylate)

Febuxostat Impurity 14

2-isobutoxy-5-(4-methylthiazol-2-yl)benzonitrile

Febuxostat Impurity 15

2-(4-butoxy-3-cyanophenyl)thiazole-5-carboxylic acid

Febuxostat Impurity 16

2-(4-(sec-butoxy)-3-cyanophenyl)thiazole-5-carboxylic acid

Febuxostat Impurity 17

2-(3-cyano-4-propoxyphenyl)thiazole-5-carboxylic acid

Febuxostat Impurity 18

ethyl 2-(4-hydroxy-3-vinylphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 19

ethyl 2-(2-hydroxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 20

2,2'-(4-isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylic acid)

Febuxostat Impurity 21

diethyl 2,2'-(4-isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylate)

Febuxostat Impurity 22

ethyl 2-(4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 23

2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 24

2-(4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 25

2-(3-carboxy-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 26

2-(3-carbamoyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 27

2-(4-butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 28

2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 29

2-(3-cyano-4-propoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 30

2-(3-cyano-4-ethoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 31

(E)-ethyl 2-(4-hydroxy-3-((hydroxyimino)methyl)phenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 32

ethyl 2-(3-formyl-2-hydroxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 33

2-(3-cyano-4-isopropoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 34

isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 35

methyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 36

2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid

Febuxostat Impurity 37

ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate

Febuxostat Impurity 38

2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylic acid

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