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深圳远扬化学技术有限公司新到托法替尼杂质（托法替布杂质）一批，申报可用，随货提供COA证书，氢谱，质谱及HPLC，纯度符合申报要求，质量保证。更多杂质对照品，欢迎进入我公司展台查询。

另有托法替尼原研药出售：

托法替尼Xeljanz原研药/原研制剂

商品名（英）: Xeljanz

英文名：tofacitinib
通用名：托法替尼
规格：5mg 60片一瓶 
类型：口服
制药公司：辉瑞
上市时间（美国FDA批准）：2012/11/6
用途：仅供科研实验使用。
适应症：对氨甲喋呤治疗应答不充分或不耐受的中至重度活动性类风湿关节炎(RA)成人患者。

附：托法替尼杂质列表：

Tofacitinib

3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile

Tofacitinib Impurity 1

N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-1H-indol-4-amine

Tofacitinib Impurity 2

2-chloro-N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

Tofacitinib Impurity 3

3-((3R,4R)-3-((2-chloro-7H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile

Tofacitinib Impurity 4

3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-2-yl)amino)piperidin-1-yl)-3-oxopropanenitrile

Tofacitinib Impurity 5

3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxoprop*

Tofacitinib Impurity 6

3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanoic acid

Tofacitinib Impurity 7

N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-2-chloro-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine

Tofacitinib Impurity 8

N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine hydrochloride

Tofacitinib Impurity 9

(3R,4S)-Tofacitinib with(3S,4R)-Tofacitinib

3-((3R,4S)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile compound with 3-((3S,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile (1:1)

Tofacitinib Impurity 10

(3S,4S)-Tofacitinib

3-((3S,4S)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile

Tofacitinib Impurity 11

(3R,4S)-1-benzyl-N,4-dimethylpiperidin-3-amine dihydrochloride

Tofacitinib Impurity 12

(3S,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine dihydrochloride

Tofacitinib Impurity 13

(3S,4S)-1-benzyl-N,4-dimethylpiperidin-3-amine dihydrochloride

Tofacitinib Impurity 14

(3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine dihydrochloride

Tofacitinib Impurity 15

3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile

Tofacitinib Impurity 16

(3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidine-1-carbaldehyde

Tofacitinib Impurity 17

N-methyl-N-((3R,4R)-4-methyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

Tofacitinib Impurity 18

3,3'-((3R,3'R,4R,4'R)-3,3'-((7H-pyrrolo[2,3-d]pyrimidine-2,4-diyl)bis(methylazanediyl))bis(4-methylpiperidine-3,1-diyl))bis(3-oxopropanenitrile)

Tofacitinib Impurity 19

3-(4-(((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)(methyl)amino)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-3-oxopropanenitrile

Tofacitinib Impurity 20

3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile

Tofacitinib Impurity 21

N-((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine oxide

Tofacitinib Impurity 22

(3R,4R)-1-(2-chloro-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-N,4-dimethylpiperidin-3-amine hydrochloride

Tofacitinib Impurity 23

(3R,4R)-N,4-dimethyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-amine

Tofacitinib Impurity 24

N-((3R,4R)-1,4-dimethylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine hydrochloride

Tofacitinib Impurity 25

1-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)ethanone

Tofacitinib Impurity 26

N-((3R,4S)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7-tosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine compound with N-((3S,4R)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7-tosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (1:1)

Tofacitinib Impurity 27

N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-N-methyl-7-tosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine