Tofacitinib Impurities

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StructureName of ImpurityCatalogue No.
Butyl 4-cyano-3-imino-5-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-5-oxopentanoateButyl 4-cyano-3-imino-5-((3R | 4R)-4-methyl-3-(methyl(7H-pyrrolo[2 | 3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-5-oxopentanoateVE0010254View
2102039-99-4: Ethyl 4-cyano-3-imino-5-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-5-oxopentanoateEthyl 4-cyano-3-imino-5-((3R | 4R)-4-methyl-3-(methyl(7H-pyrrolo[2 | 3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-5-oxopentanoateVE0010253View CAS 2102039-99-4
2101951-20-4: 3-((3R,4R)-4-Methyl-3-(methyl(5-oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile3-((3R | 4R)-4-Methyl-3-(methyl(5-oxo-6 | 7-dihydro-5H-pyrrolo[2 | 3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrileVE0010103View CAS 2101951-20-4
1640971-51-2: 3-((3R,4R)-4-methyl-3-(methyl(6-oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile3-((3R | 4R)-4-methyl-3-(methyl(6-oxo-6 | 7-dihydro-5H-pyrrolo[2 | 3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrileVE0010102View CAS 1640971-51-2
Tofacitinib Impurity 78Tofacitinib Impurity 78VE0010097View
2407039-29-4: Tofacitinib Impurity 45Tofacitinib Impurity 45VE0010096View CAS 2407039-29-4
5817-96-9: 5,7-dihydro-6H-pyrrolo [2,3-d] pyrimidin-6-one impurity5 | 7-dihydro-6H-pyrrolo [2 | 3-d] pyrimidin-6-one impurityVE0010061View CAS 5817-96-9
N-(1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)nitrous amideN-(1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-(7H-pyrrolo[2 | 3-d]pyrimidin-4-yl)nitrous amideVE009892View
16372-08-0: 4-chloro-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidine4-chloro-6 | 7-dihydro-5H-pyrrolo[2 | 3-d]pyrimidineVE009833View CAS 16372-08-0
1640972-35-5: Dihydro Tofacitinib ImpurityDihydro Tofacitinib ImpurityVE008429View CAS 1640972-35-5
1092578-47-6: Tofacitinib Impurity 62 CitrateTofacitinib Impurity 62 CitrateVE008307View CAS 1092578-47-6
Dihydro Tofacitinib Citrate ImpurityDihydro Tofacitinib Citrate ImpurityVE008139View
2328165-36-0: Tofacitinib Acid ImpurityTofacitinib Acid ImpurityVE008140View CAS 2328165-36-0
1675248-19-7: Tofacitinib Amide ImpurityTofacitinib Amide ImpurityVE008141View CAS 1675248-19-7
2028267-73-2: Tofacitinib N-oxide impurityTofacitinib N-oxide impurityVE008142View CAS 2028267-73-2
2174011-55-1: Tofacitinib Impurity C CitrateTofacitinib Impurity C CitrateVE006951View CAS 2174011-55-1
477600-73-0: Tofacitinib Benzyl ImpurityTofacitinib Benzyl ImpurityVE006715View CAS 477600-73-0
477600-74-1: Tofacitinib N-Descyanoacetyl ImpurityTofacitinib N-Descyanoacetyl ImpurityVE006714View CAS 477600-74-1