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Stable Isotopes And Metabolites

Tofacitinib-d3 Citrate

Picture of Tofacitinib-d3 Citrate
CAT No: SZ-T010D01
CAS No: NA
Mol.F. : C16H17N6OD3 : C6H8O7
Mol.Wt. : 315.4 : 192.1
Inv. Status: Custom Synthesis
SZ-T010D01
CAS No:NA
Mol.F.: C16H17N6OD3 : C6H8O7
Mol.Wt.: 315.4 : 192.1
Inv. Status: Custom Synthesis

Tofacitinib 13C3 15N

Picture of Tofacitinib 13C3 15N
CAT No: SZ-T010D02
CAS No: NA
Mol.F. : C1313C3H20N515NO
Mol.Wt. : 316.3
Inv. Status: Custom Synthesis
SZ-T010D02
CAS No:NA
Mol.F.: C1313C3H20N515NO
Mol.Wt.: 316.3
Inv. Status: Custom Synthesis

Tofacitinib 13C d3

Picture of Tofacitinib 13C d3
CAT No: SZ-T010D03
CAS No: NA
Mol.F. : C1513CH17D3N6O
Mol.Wt. : 316.4
Inv. Status: Custom Synthesis
SZ-T010D03
CAS No:NA
Mol.F.: C1513CH17D3N6O
Mol.Wt.: 316.4
Inv. Status: Custom Synthesis

Tofacitinib 13C

Picture of Tofacitinib 13C
CAT No: SZ-T010D04
CAS No: NA
Mol.F. : C1313C3H22N6O
Mol.Wt. : 317.4
Inv. Status: Custom Synthesis
SZ-T010D04
CAS No:NA
Mol.F.: C1313C3H22N6O
Mol.Wt.: 317.4
Inv. Status: Custom Synthesis

Pharmaceutical Reference Standards

Tofacitinib Citrate

Picture of Tofacitinib Citrate
CAT No: SZ-T010001
CAS No: 540737-29-9
Mol.F. : C16H20N6O : C6H8O7
Mol.Wt. : 312.4 : 192.1
Inv. Status: In Stock
Rel. CAS No : 477600-75-2 (free base)
SZ-T010001
CAS No:540737-29-9
Mol.F.: C16H20N6O : C6H8O7 
Mol.Wt.:  312.4 : 192.1
Inv. Status: In Stock
Rel. CAS No : 477600-75-2 (free base)

Tofacitinib Impurity A

Picture of Tofacitinib Impurity A
CAT No: SZ-T010002
CAS No: 1092578-46-5
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: Under Synthesis
Rel. CAS No : 2174011-53-9 (citrate salt)
SZ-T010002
CAS No:1092578-46-5
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: Under Synthesis
Rel. CAS No : 2174011-53-9 (citrate salt)

Tofacitinib Impurity B

Picture of Tofacitinib Impurity B
CAT No: SZ-T010003
CAS No: 1092578-48-7
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: Under Synthesis
SZ-T010003
CAS No:1092578-48-7
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: Under Synthesis

Tofacitinib Impurity C Citrate

Picture of Tofacitinib Impurity C Citrate
CAT No: SZ-T010004
CAS No: 2174011-55-1
Mol.F. : C16H20N6O : C6H8O7
Mol.Wt. : 312.4 : 192.1
Inv. Status: In Stock
Rel. CAS No : 1092578-47-6 (free base)
SZ-T010004
CAS No:2174011-55-1
Mol.F.: C16H20N6O : C6H8O7 
Mol.Wt.:  312.4 : 192.1
Inv. Status: In Stock
Rel. CAS No : 1092578-47-6 (free base)

Tofacitinib Impurity I

Picture of Tofacitinib Impurity I
CAT No: SZ-T010006
CAS No: 1821769-41-8
Mol.F. : C14H22N2 : 2(HCl)
Mol.Wt. : 218.3 : 2(36.5)
Inv. Status: Under Synthesis
Rel. CAS No : 1638499-33-8 (free base)
SZ-T010006
CAS No:1821769-41-8
Mol.F.: C14H22N2 : 2(HCl)
Mol.Wt.: 218.3 : 2(36.5)
Inv. Status: Under Synthesis
Rel. CAS No : 1638499-33-8 (free base)

Tofacitinib Impurity J

Picture of Tofacitinib Impurity J
CAT No: SZ-T010007
CAS No: NA
Mol.F. : C14H22N2 : 2(HCl)
Mol.Wt. : 218.3 : 2(36.5)
Inv. Status: Under Synthesis
Rel. CAS No : 1638499-31-6 (free base)
SZ-T010007
CAS No:NA
Mol.F.: C14H22N2 : 2(HCl)
Mol.Wt.: 218.3 : 2(36.5)
Inv. Status: Under Synthesis
Rel. CAS No : 1638499-31-6 (free base)

Tofacitinib Impurity K

Picture of Tofacitinib Impurity K
CAT No: SZ-T010008
CAS No: 2328165-36-0
Mol.F. : C16H21N5O3
Mol.Wt. : 331.4
Inv. Status: Under Synthesis
SZ-T010008
CAS No:2328165-36-0
Mol.F.: C16H21N5O3
Mol.Wt.: 331.4
Inv. Status: Under Synthesis

Tofacitinib Impurity L

Picture of Tofacitinib Impurity L
CAT No: SZ-T010009
CAS No: 1675248-19-7
Mol.F. : C16H22N6O2
Mol.Wt. : 330.4
Inv. Status: In Stock
SZ-T010009
CAS No:1675248-19-7
Mol.F.: C16H22N6O2
Mol.Wt.: 330.4
Inv. Status: In Stock

Tofacitinib Impurity M

Picture of Tofacitinib Impurity M
CAT No: SZ-T010010
CAS No: 477600-74-1
Mol.F. : C13H19N5
Mol.Wt. : 245.3
Inv. Status: In Stock
SZ-T010010
CAS No:477600-74-1
Mol.F.: C13H19N5
Mol.Wt.: 245.3
Inv. Status: In Stock

Tofacitinib Impurity N

Picture of Tofacitinib Impurity N
CAT No: SZ-T010011
CAS No: 1260614-73-0
Mol.F. : C13H19N5
Mol.Wt. : 245.3
Inv. Status: Custom Synthesis
SZ-T010011
CAS No:1260614-73-0
Mol.F.: C13H19N5
Mol.Wt.: 245.3
Inv. Status: Custom Synthesis

Tofacitinib Impurity O

Picture of Tofacitinib Impurity O
CAT No: SZ-T010012
CAS No: 477600-73-0
Mol.F. : C20H25N5
Mol.Wt. : 335.5
Inv. Status: In Stock
SZ-T010012
CAS No:477600-73-0
Mol.F.: C20H25N5
Mol.Wt.: 335.5
Inv. Status: In Stock

Tofacitinib Impurity P

Picture of Tofacitinib Impurity P
CAT No: SZ-T010013
CAS No: 1252883-90-1
Mol.F. : C20H25N5
Mol.Wt. : 335.5
Inv. Status: Custom Synthesis
SZ-T010013
CAS No:1252883-90-1
Mol.F.: C20H25N5
Mol.Wt.: 335.5
Inv. Status: Custom Synthesis

Tofacitinib Impurity Q

Picture of Tofacitinib Impurity Q
CAT No: SZ-T010014
CAS No: 3680-69-1
Mol.F. : C6H4ClN3
Mol.Wt. : 153.6
Inv. Status: Custom Synthesis
SZ-T010014
CAS No:3680-69-1
Mol.F.: C6H4ClN3
Mol.Wt.: 153.6
Inv. Status: Custom Synthesis

Tofacitinib Impurity R

Picture of Tofacitinib Impurity R
CAT No: SZ-T010015
CAS No: 479633-63-1
Mol.F. : C13H10ClN3O2S
Mol.Wt. : 307.8
Inv. Status: In Stock
SZ-T010015
CAS No:479633-63-1
Mol.F.: C13H10ClN3O2S
Mol.Wt.: 307.8
Inv. Status: In Stock

Tofacitinib Impurity S

Picture of Tofacitinib Impurity S
CAT No: SZ-T010016
CAS No: 923036-30-0
Mol.F. : C27H31N5O2S
Mol.Wt. : 489.6
Inv. Status: Custom Synthesis
SZ-T010016
CAS No:923036-30-0
Mol.F.: C27H31N5O2S
Mol.Wt.: 489.6
Inv. Status: Custom Synthesis

Tofacitinib Impurity T

Picture of Tofacitinib Impurity T
CAT No: SZ-T010017
CAS No: 2504210-31-3
Mol.F. : C16H18N6O
Mol.Wt. : 310.4
Inv. Status: Custom Synthesis
SZ-T010017
CAS No:2504210-31-3
Mol.F.: C16H18N6O
Mol.Wt.: 310.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity U

Picture of Tofacitinib Impurity U
CAT No: SZ-T010018
CAS No: 1616760-97-4
Mol.F. : C13H18ClN5
Mol.Wt. : 279.8
Inv. Status: Custom Synthesis
SZ-T010018
CAS No:1616760-97-4
Mol.F.: C13H18ClN5
Mol.Wt.: 279.8
Inv. Status: Custom Synthesis

Tofacitinib Impurity V

Picture of Tofacitinib Impurity V
CAT No: SZ-T010019
CAS No: 1616761-00-2
Mol.F. : C16H19ClN6O
Mol.Wt. : 346.8
Inv. Status: In Stock
SZ-T010019
CAS No:1616761-00-2
Mol.F.: C16H19ClN6O
Mol.Wt.: 346.8
Inv. Status: In Stock

Tofacitinib Impurity W

Picture of Tofacitinib Impurity W
CAT No: SZ-T010020
CAS No: 2504210-32-4
Mol.F. : C13H18ClN5
Mol.Wt. : 279.8
Inv. Status: Custom Synthesis
SZ-T010020
CAS No:2504210-32-4
Mol.F.: C13H18ClN5
Mol.Wt.: 279.8
Inv. Status: Custom Synthesis

Tofacitinib Impurity X

Picture of Tofacitinib Impurity X
CAT No: SZ-T010021
CAS No: 2097982-05-1
Mol.F. : C13H19N5
Mol.Wt. : 245.3
Inv. Status: Custom Synthesis
SZ-T010021
CAS No:2097982-05-1
Mol.F.: C13H19N5
Mol.Wt.: 245.3
Inv. Status: Custom Synthesis

Tofacitinib Impurity Y

Picture of Tofacitinib Impurity Y
CAT No: SZ-T010022
CAS No: 2227197-38-6
Mol.F. : C14H21N5
Mol.Wt. : 259.4
Inv. Status: Custom Synthesis
SZ-T010022
CAS No:2227197-38-6
Mol.F.: C14H21N5
Mol.Wt.: 259.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity Z

Picture of Tofacitinib Impurity Z
CAT No: SZ-T010023
CAS No: 477600-76-3
Mol.F. : C15H21N5O
Mol.Wt. : 287.4
Inv. Status: In Stock
SZ-T010023
CAS No:477600-76-3
Mol.F.: C15H21N5O
Mol.Wt.: 287.4
Inv. Status: In Stock

Tofacitinib related compound 1

Picture of Tofacitinib related compound 1
CAT No: SZ-T010024
CAS No: 2504210-30-2
Mol.F. : C16H22N6O2
Mol.Wt. : 330.4
Inv. Status: Custom Synthesis
SZ-T010024
CAS No:2504210-30-2
Mol.F.: C16H22N6O2
Mol.Wt.: 330.4
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 2 HCl

Picture of Tofacitinib Related Compound 2 HCl
CAT No: SZ-T010025
CAS No: 1640971-87-4
Mol.F. : C10H17N3O : HCl
Mol.Wt. : 195.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1629858-78-1 (free base)
SZ-T010025
CAS No:1640971-87-4
Mol.F.: C10H17N3O : HCl
Mol.Wt.: 195.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1629858-78-1 (free base)

Tofacitinib Related Compound 3

Picture of Tofacitinib Related Compound 3
CAT No: SZ-T010026
CAS No: NA
Mol.F. : C13H18N4O2
Mol.Wt. : 262.3
Inv. Status: Custom Synthesis
SZ-T010026
CAS No:NA
Mol.F.: C13H18N4O2
Mol.Wt.: 262.3
Inv. Status: Custom Synthesis

Tofacitinib related compound 4

Picture of Tofacitinib related compound 4
CAT No: SZ-T010027
CAS No: 1092578-43-2
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
SZ-T010027
CAS No:1092578-43-2
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 6

Picture of Tofacitinib Related Compound 6
CAT No: SZ-T010029
CAS No: 2459302-77-1
Mol.F. : C19H21N7O2
Mol.Wt. : 379.4
Inv. Status: Custom Synthesis
SZ-T010029
CAS No:2459302-77-1
Mol.F.: C19H21N7O2
Mol.Wt.: 379.4
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 8

Picture of Tofacitinib Related Compound 8
CAT No: SZ-T010031
CAS No: 2504210-41-5
Mol.F. : C29H38N10O2
Mol.Wt. : 558.7
Inv. Status: Custom Synthesis
SZ-T010031
CAS No:2504210-41-5
Mol.F.: C29H38N10O2
Mol.Wt.: 558.7
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 9

Picture of Tofacitinib Related Compound 9
CAT No: SZ-T010032
CAS No: 2459302-78-2
Mol.F. : C34H45N7
Mol.Wt. : 551.8
Inv. Status: Custom Synthesis
SZ-T010032
CAS No:2459302-78-2
Mol.F.: C34H45N7
Mol.Wt.: 551.8
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 10

Picture of Tofacitinib Related Compound 10
CAT No: SZ-T010033
CAS No: 2374700-39-5
Mol.F. : C13H19N5
Mol.Wt. : 245.3
Inv. Status: Custom Synthesis
SZ-T010033
CAS No:2374700-39-5
Mol.F.: C13H19N5
Mol.Wt.: 245.3
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 11

Picture of Tofacitinib Related Compound 11
CAT No: SZ-T010034
CAS No: 1640971-60-3
Mol.F. : C14H20N6O
Mol.Wt. : 288.4
Inv. Status: Out of Stock
SZ-T010034
CAS No:1640971-60-3
Mol.F.: C14H20N6O
Mol.Wt.: 288.4
Inv. Status: Out of Stock

Tofacitinib Related Compound 12

Picture of Tofacitinib Related Compound 12
CAT No: SZ-T010035
CAS No: 2459302-80-6
Mol.F. : C20H25N5
Mol.Wt. : 335.5
Inv. Status: Custom Synthesis
SZ-T010035
CAS No:2459302-80-6
Mol.F.: C20H25N5
Mol.Wt.: 335.5
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 13

Picture of Tofacitinib Related Compound 13
CAT No: SZ-T010036
CAS No: 1092578-45-4
Mol.F. : C20H25N5
Mol.Wt. : 335.5
Inv. Status: Custom Synthesis
SZ-T010036
CAS No:1092578-45-4
Mol.F.: C20H25N5
Mol.Wt.: 335.5
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 14

Picture of Tofacitinib Related Compound 14
CAT No: SZ-T010037
CAS No: 2227199-28-0
Mol.F. : C14H19N5O
Mol.Wt. : 273.3
Inv. Status: In Stock
SZ-T010037
CAS No:2227199-28-0
Mol.F.: C14H19N5O
Mol.Wt.: 273.3
Inv. Status: In Stock

Tofacitinib Related Compound 15

Picture of Tofacitinib Related Compound 15
CAT No: SZ-T010038
CAS No: NA
Mol.F. : C15H21N5O
Mol.Wt. : 287.4
Inv. Status: Custom Synthesis
SZ-T010038
CAS No:NA
Mol.F.: C15H21N5O
Mol.Wt.: 287.4
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 16

Picture of Tofacitinib Related Compound 16
CAT No: SZ-T010039
CAS No: NA
Mol.F. : C15H23N5
Mol.Wt. : 273.4
Inv. Status: Custom Synthesis
SZ-T010039
CAS No:NA
Mol.F.: C15H23N5
Mol.Wt.: 273.4
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 17

Picture of Tofacitinib Related Compound 17
CAT No: SZ-T010040
CAS No: 2056104-91-5
Mol.F. : C27H31N5O2S
Mol.Wt. : 489.6
Inv. Status: Custom Synthesis
SZ-T010040
CAS No:2056104-91-5
Mol.F.: C27H31N5O2S
Mol.Wt.: 489.6
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 18

Picture of Tofacitinib Related Compound 18
CAT No: SZ-T010041
CAS No: 1092578-44-3
Mol.F. : C27H31N5O2S
Mol.Wt. : 489.6
Inv. Status: Custom Synthesis
SZ-T010041
CAS No:1092578-44-3
Mol.F.: C27H31N5O2S
Mol.Wt.: 489.6
Inv. Status: Custom Synthesis

Tofacitinib N-Oxide Impurity

Picture of Tofacitinib N-Oxide Impurity
CAT No: SZ-T010042
CAS No: 2028267-73-2
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: In Stock
SZ-T010042
CAS No:2028267-73-2
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: In Stock

Tofacitinib Related Compound 20

Picture of Tofacitinib Related Compound 20
CAT No: SZ-T010043
CAS No: 2259288-22-5
Mol.F. : C23H26N6O3S
Mol.Wt. : 466.6
Inv. Status: Custom Synthesis
SZ-T010043
CAS No:2259288-22-5
Mol.F.: C23H26N6O3S
Mol.Wt.: 466.6
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 21 

Picture of Tofacitinib Related Compound 21 
CAT No: SZ-T010044
CAS No: 1809002-40-1
Mol.F. : C16H22N6O : C6H8O7
Mol.Wt. : 314.4 : 192.1
Inv. Status: Under Synthesis
Rel. CAS No : 1640972-35-5 (free base)
SZ-T010044
CAS No:1809002-40-1
Mol.F.: C16H22N6O : C6H8O7
Mol.Wt.: 314.4 : 192.1
Inv. Status: Under Synthesis
Rel. CAS No : 1640972-35-5 (free base)

Tofacitinib Related Compound 23 DiHCl

Picture of Tofacitinib Related Compound 23 DiHCl
CAT No: SZ-T010046
CAS No: 2640342-78-3
Mol.F. : C13H21N5 : 2(HCl)
Mol.Wt. : 247.4 : 2(36.5)
Inv. Status: Custom Synthesis
Rel. CAS No : 1812890-23-5 (free base)
SZ-T010046
CAS No:2640342-78-3
Mol.F.: C13H21N5 : 2(HCl)
Mol.Wt.: 247.4 : 2(36.5)
Inv. Status: Custom Synthesis
Rel. CAS No : 1812890-23-5 (free base)

Tofacitinib Related Compound 24

Picture of Tofacitinib Related Compound 24
CAT No: SZ-T010047
CAS No: 2459302-82-8
Mol.F. : C19H23N7O2
Mol.Wt. : 381.4
Inv. Status: Custom Synthesis
SZ-T010047
CAS No:2459302-82-8
Mol.F.: C19H23N7O2
Mol.Wt.: 381.4
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 25

Picture of Tofacitinib Related Compound 25
CAT No: SZ-T010048
CAS No: 2504210-33-5
Mol.F. : C27H31N5OS
Mol.Wt. : 473.7
Inv. Status: Custom Synthesis
SZ-T010048
CAS No:2504210-33-5
Mol.F.: C27H31N5OS
Mol.Wt.: 473.7
Inv. Status: Custom Synthesis

Tofacitinib Related Compound 27

Picture of Tofacitinib Related Compound 27
CAT No: SZ-T010050
CAS No: NA
Mol.F. : C13H18N4O2
Mol.Wt. : 262.3
Inv. Status: Custom Synthesis
SZ-T010050
CAS No:NA
Mol.F.: C13H18N4O2
Mol.Wt.: 262.3
Inv. Status: Custom Synthesis

Tofacitinib Related Impurity (PF-05579970)

Picture of Tofacitinib Related Impurity (PF-05579970)
CAT No: SZ-T010052
CAS No: NA
Mol.F. : C15H21N5O
Mol.Wt. : 287.4
Inv. Status: Custom Synthesis
SZ-T010052
CAS No:NA
Mol.F.: C15H21N5O
Mol.Wt.: 287.4
Inv. Status: Custom Synthesis

rac-Tofacitinib (Mixture of Diastereomers)

Picture of rac-Tofacitinib (Mixture of Diastereomers)
CAT No: SZ-T010053
CAS No: 344418-92-4
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
SZ-T010053
CAS No:344418-92-4
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

Tofacitinib N-hydroxy impurity

Picture of Tofacitinib N-hydroxy impurity
CAT No: SZ-T010056
CAS No: 2459302-76-0
Mol.F. : C13H19N5O
Mol.Wt. : 261.3
Inv. Status: Custom Synthesis
SZ-T010056
CAS No:2459302-76-0
Mol.F.: C13H19N5O
Mol.Wt.: 261.3
Inv. Status: Custom Synthesis

1-Benzyl-4-methylpiperidin-3-one

Picture of 1-Benzyl-4-methylpiperidin-3-one
CAT No: SZ-T010057
CAS No: 32018-96-5
Mol.F. : C13H17NO
Mol.Wt. : 203.3
Inv. Status: In Stock
SZ-T010057
CAS No:32018-96-5
Mol.F.: C13H17NO
Mol.Wt.: 203.3
Inv. Status: In Stock

Tofacitinib Related Compound 29

Picture of Tofacitinib Related Compound 29
CAT No: SZ-T010058
CAS No: 134965-85-8
Mol.F. : C12H7ClN6
Mol.Wt. : 270.7
Inv. Status: In Stock
SZ-T010058
CAS No:134965-85-8
Mol.F.: C12H7ClN6
Mol.Wt.: 270.7
Inv. Status: In Stock

Tofacitinib keto impurity

Picture of Tofacitinib keto impurity
CAT No: SZ-T010060
CAS No: 1236267-27-8
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-T010060
CAS No:1236267-27-8
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 2

Picture of Tofacitinib Impurity 2
CAT No: SZ-T010061
CAS No: 1640971-51-2
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Under Synthesis
SZ-T010061
CAS No:1640971-51-2
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Under Synthesis

Tofacitinib Impurity 3

Picture of Tofacitinib Impurity 3
CAT No: SZ-T010062
CAS No: 1206825-36-6
Mol.F. : C13H19N5
Mol.Wt. : 245.3
Inv. Status: Custom Synthesis
SZ-T010062
CAS No:1206825-36-6
Mol.F.: C13H19N5
Mol.Wt.: 245.3
Inv. Status: Custom Synthesis

Tofacitinib Diastereomer-1 and 2

Picture of Tofacitinib Diastereomer-1 and 2
CAT No: SZ-T010063
CAS No: NA
Mol.F. : C16H20N6O : C6H8O7
Mol.Wt. : 312.4 : 192.1
Inv. Status: Under Synthesis
SZ-T010063
CAS No:NA
Mol.F.: C16H20N6O : C6H8O7
Mol.Wt.: 312.4 : 192.1
Inv. Status: Under Synthesis

Tofacitinib Related Substance 1

Picture of Tofacitinib Related Substance 1
CAT No: SZ-T010064
CAS No: 2101958-24-9
Mol.F. : C16H22N6O3
Mol.Wt. : 346.4
Inv. Status: Custom Synthesis
SZ-T010064
CAS No:2101958-24-9
Mol.F.: C16H22N6O3
Mol.Wt.: 346.4
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 2

Picture of Tofacitinib Related Substance 2
CAT No: SZ-T010065
CAS No: 2101951-13-5
Mol.F. : C16H22N6O3
Mol.Wt. : 346.4
Inv. Status: Custom Synthesis
SZ-T010065
CAS No:2101951-13-5
Mol.F.: C16H22N6O3
Mol.Wt.: 346.4
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 4

Picture of Tofacitinib Related Substance 4
CAT No: SZ-T010066
CAS No: NA
Mol.F. : C18H26N6O2
Mol.Wt. : 358.4
Inv. Status: Custom Synthesis
SZ-T010066
CAS No:NA
Mol.F.: C18H26N6O2
Mol.Wt.: 358.4
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 5

Picture of Tofacitinib Related Substance 5
CAT No: SZ-T010067
CAS No: NA
Mol.F. : C16H22N6O2
Mol.Wt. : 330.4
Inv. Status: Custom Synthesis
SZ-T010067
CAS No:NA
Mol.F.: C16H22N6O2
Mol.Wt.: 330.4
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 6

Picture of Tofacitinib Related Substance 6
CAT No: SZ-T010068
CAS No: NA
Mol.F. : C16H22N6O4
Mol.Wt. : 362.4
Inv. Status: Custom Synthesis
SZ-T010068
CAS No:NA
Mol.F.: C16H22N6O4
Mol.Wt.: 362.4
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 7

Picture of Tofacitinib Related Substance 7
CAT No: SZ-T010069
CAS No: 1640972-35-5
Mol.F. : C16H22N6O
Mol.Wt. : 314.4
Inv. Status: Out of Stock, Under Synthesis
SZ-T010069
CAS No:1640972-35-5
Mol.F.: C16H22N6O
Mol.Wt.: 314.4
Inv. Status: Out of Stock, Under Synthesis

Tofacitinib Related Substance 8

Picture of Tofacitinib Related Substance 8
CAT No: SZ-T010070
CAS No: 2101951-20-4
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-T010070
CAS No:2101951-20-4
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 9

Picture of Tofacitinib Related Substance 9
CAT No: SZ-T010071
CAS No: NA
Mol.F. : C21H27N7O3
Mol.Wt. : 425.5
Inv. Status: Custom Synthesis
SZ-T010071
CAS No:NA
Mol.F.: C21H27N7O3
Mol.Wt.: 425.5
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 10

Picture of Tofacitinib Related Substance 10
CAT No: SZ-T010072
CAS No: NA
Mol.F. : C32H40N12O2
Mol.Wt. : 624.8
Inv. Status: Custom Synthesis
SZ-T010072
CAS No:NA
Mol.F.: C32H40N12O2
Mol.Wt.: 624.8
Inv. Status: Custom Synthesis

Tofacitinib Related Substance 11

Picture of Tofacitinib Related Substance 11
CAT No: SZ-T010073
CAS No: NA
Mol.F. : C16H19ClN6O
Mol.Wt. : 346.8
Inv. Status: Custom Synthesis
SZ-T010073
CAS No:NA
Mol.F.: C16H19ClN6O
Mol.Wt.: 346.8
Inv. Status: Custom Synthesis

Tofacitinib Impurity 4

Picture of Tofacitinib Impurity 4
CAT No: SZ-T010074
CAS No: 1675248-18-6
Mol.F. : C18H25N5O3
Mol.Wt. : 359.4
Inv. Status: In Stock
SZ-T010074
CAS No:1675248-18-6
Mol.F.: C18H25N5O3
Mol.Wt.: 359.4
Inv. Status: In Stock

Tofacitinib Impurity 5

Picture of Tofacitinib Impurity 5
CAT No: SZ-T010075
CAS No: 1354621-59-2
Mol.F. : C14H22N2
Mol.Wt. : 218.3
Inv. Status: In Stock
SZ-T010075
CAS No:1354621-59-2
Mol.F.: C14H22N2
Mol.Wt.: 218.3
Inv. Status: In Stock

Tofacitinib Impurity 6

Picture of Tofacitinib Impurity 6
CAT No: SZ-T010076
CAS No: NA
Mol.F. : C19H22N8
Mol.Wt. : 362.4
Inv. Status: Custom Synthesis
SZ-T010076
CAS No:NA
Mol.F.: C19H22N8
Mol.Wt.: 362.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 7

Picture of Tofacitinib Impurity 7
CAT No: SZ-T010077
CAS No: NA
Mol.F. : C13H19N5
Mol.Wt. : 245.3
Inv. Status: Custom Synthesis
SZ-T010077
CAS No:NA
Mol.F.: C13H19N5
Mol.Wt.: 245.3
Inv. Status: Custom Synthesis

Tofacitinib Impurity 8

Picture of Tofacitinib Impurity 8
CAT No: SZ-T010078
CAS No: 1527525-58-1
Mol.F. : C15H18N6O
Mol.Wt. : 298.4
Inv. Status: Custom Synthesis
SZ-T010078
CAS No:1527525-58-1
Mol.F.: C15H18N6O
Mol.Wt.: 298.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 9

Picture of Tofacitinib Impurity 9
CAT No: SZ-T010079
CAS No: 2382711-65-9
Mol.F. : C34H42N10O2
Mol.Wt. : 622.8
Inv. Status: Custom Synthesis
SZ-T010079
CAS No:2382711-65-9
Mol.F.: C34H42N10O2
Mol.Wt.: 622.8
Inv. Status: Custom Synthesis

Tofacitinib Impurity 27

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CAT No: SZ-T010080
CAS No: NA
Mol.F. : C23H34N6O3
Mol.Wt. : 442.6
Inv. Status: Custom Synthesis
SZ-T010080
CAS No:NA
Mol.F.: C23H34N6O3
Mol.Wt.: 442.6
Inv. Status: Custom Synthesis

Tofacitinib Impurity 28

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CAT No: SZ-T010081
CAS No: 2227199-31-5
Mol.F. : C20H29N5O3
Mol.Wt. : 387.5
Inv. Status: Custom Synthesis
SZ-T010081
CAS No:2227199-31-5
Mol.F.: C20H29N5O3
Mol.Wt.: 387.5
Inv. Status: Custom Synthesis

Tofacitinib Impurity 29

Picture of Tofacitinib Impurity 29
CAT No: SZ-T010082
CAS No: NA
Mol.F. : C21H27N7O3
Mol.Wt. : 425.5
Inv. Status: Custom Synthesis
SZ-T010082
CAS No:NA
Mol.F.: C21H27N7O3
Mol.Wt.: 425.5
Inv. Status: Custom Synthesis

Tofacitinib Impurity 30

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CAT No: SZ-T010083
CAS No: 105-56-6
Mol.F. : C5H7NO2
Mol.Wt. : 113.1
Inv. Status: Custom Synthesis
SZ-T010083
CAS No:105-56-6
Mol.F.: C5H7NO2
Mol.Wt.: 113.1
Inv. Status: Custom Synthesis

Tofacitinib Impurity 31

Picture of Tofacitinib Impurity 31
CAT No: SZ-T010084
CAS No: 344418-61-7
Mol.F. : C15H21N5O
Mol.Wt. : 287.4
Inv. Status: Custom Synthesis
SZ-T010084
CAS No:344418-61-7
Mol.F.: C15H21N5O
Mol.Wt.: 287.4
Inv. Status: Custom Synthesis

7-Deazapurine

Picture of 7-Deazapurine
CAT No: SZ-T010086
CAS No: 271-70-5
Mol.F. : C6H7N3
Mol.Wt. : 121.1
Inv. Status: Custom Synthesis
SZ-T010086
CAS No:271-70-5
Mol.F.: C6H7N3
Mol.Wt.: 121.1
Inv. Status: Custom Synthesis

Tofacitinib Impurity 33

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CAT No: SZ-T010087
CAS No: 16372-08-0
Mol.F. : C6H6ClN3
Mol.Wt. : 155.6
Inv. Status: Custom Synthesis
SZ-T010087
CAS No:16372-08-0
Mol.F.: C6H6ClN3
Mol.Wt.: 155.6
Inv. Status: Custom Synthesis

Tofacitinib Impurity 34

Picture of Tofacitinib Impurity 34
CAT No: SZ-T010088
CAS No: 1111638-10-8
Mol.F. : C5H3ClN4
Mol.Wt. : 154.6
Inv. Status: Custom Synthesis
SZ-T010088
CAS No:1111638-10-8
Mol.F.: C5H3ClN4
Mol.Wt.: 154.6
Inv. Status: Custom Synthesis

Tofacitinib Impurity 35

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CAT No: SZ-T010089
CAS No: 1092578-47-6
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: In Stock
SZ-T010089
CAS No:1092578-47-6
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: In Stock

Tofacitinib Hydroxy Impurity

Picture of Tofacitinib Hydroxy Impurity
CAT No: SZ-T010090
CAS No: NA
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-T010090
CAS No:NA
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Tofacitinib Citrate Recamic Mixture

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CAT No: SZ-T010093
CAS No: NA
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
SZ-T010093
CAS No:NA
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

Tofacitinib Mixure of Diastereomers

Picture of Tofacitinib Mixure of Diastereomers
CAT No: SZ-T010094
CAS No: 2664002-63-3
Mol.F. : C16H20N6O : C6H8O7
Mol.Wt. : 312.4 : 192.1
Inv. Status: Custom Synthesis
Rel. CAS No : 344418-92-4 (free base)
SZ-T010094
CAS No:2664002-63-3
Mol.F.: C16H20N6O : C6H8O7
Mol.Wt.: 312.4 : 192.1
Inv. Status: Custom Synthesis
Rel. CAS No : 344418-92-4 (free base)

Tofacitinib

Picture of Tofacitinib
CAT No: SZ-T010095
CAS No: 477600-75-2
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
Rel. CAS No : 540737-29-9 (citrate salt)
SZ-T010095
CAS No:477600-75-2
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis
Rel. CAS No : 540737-29-9 (citrate salt)

Tofacitinib Trans Impurity

Picture of Tofacitinib Trans Impurity
CAT No: SZ-T010096
CAS No: NA
Mol.F. : C16H20N6O
Mol.Wt. : 312.4
Inv. Status: Custom Synthesis
SZ-T010096
CAS No:NA
Mol.F.: C16H20N6O
Mol.Wt.: 312.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 37

Picture of Tofacitinib Impurity 37
CAT No: SZ-T010098
CAS No: 773076-83-8
Mol.F. : C9H15NO4
Mol.Wt. : 201.2
Inv. Status: Custom Synthesis
SZ-T010098
CAS No:773076-83-8
Mol.F.: C9H15NO4
Mol.Wt.: 201.2
Inv. Status: Custom Synthesis

Tofacitinib Impurity 38

Picture of Tofacitinib Impurity 38
CAT No: SZ-T010101
CAS No: NA
Mol.F. : C14H20N6O
Mol.Wt. : 288.4
Inv. Status: Custom Synthesis
SZ-T010101
CAS No:NA
Mol.F.: C14H20N6O
Mol.Wt.: 288.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 39

Picture of Tofacitinib Impurity 39
CAT No: SZ-T010102
CAS No: NA
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-T010102
CAS No:NA
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 40

Picture of Tofacitinib Impurity 40
CAT No: SZ-T010105
CAS No: 477600-70-7
Mol.F. : C14H22N2
Mol.Wt. : 218.3
Inv. Status: Custom Synthesis
Rel. CAS No : 1820713-38-9 (HCl salt) ; 1062580-52-2 (dihydrochloride)
SZ-T010105
CAS No:477600-70-7
Mol.F.: C14H22N2
Mol.Wt.: 218.3
Inv. Status: Custom Synthesis
Rel. CAS No : 1820713-38-9 (HCl salt) ; 1062580-52-2 (dihydrochloride)

Tofacitinib Impurity 41

Picture of Tofacitinib Impurity 41
CAT No: SZ-T010106
CAS No: NA
Mol.F. : C12H7ClN6O
Mol.Wt. : 286.7
Inv. Status: Custom Synthesis
SZ-T010106
CAS No:NA
Mol.F.: C12H7ClN6O
Mol.Wt.: 286.7
Inv. Status: Custom Synthesis

Tofacitinib Impurity 42

Picture of Tofacitinib Impurity 42
CAT No: SZ-T010107
CAS No: 90213-66-4
Mol.F. : C6H3Cl2N3
Mol.Wt. : 188
Inv. Status: Custom Synthesis
SZ-T010107
CAS No:90213-66-4
Mol.F.: C6H3Cl2N3
Mol.Wt.: 188
Inv. Status: Custom Synthesis

Tofacitinib Impurity 43

Picture of Tofacitinib Impurity 43
CAT No: SZ-T010108
CAS No: NA
Mol.F. : C7H5Cl2N3O2S
Mol.Wt. : 266.1
Inv. Status: Custom Synthesis
SZ-T010108
CAS No:NA
Mol.F.: C7H5Cl2N3O2S
Mol.Wt.: 266.1
Inv. Status: Custom Synthesis

Tofacitinib Impurity 44

Picture of Tofacitinib Impurity 44
CAT No: SZ-T010109
CAS No: NA
Mol.F. : C21H26ClN5O2S
Mol.Wt. : 448
Inv. Status: Custom Synthesis
SZ-T010109
CAS No:NA
Mol.F.: C21H26ClN5O2S
Mol.Wt.: 448
Inv. Status: Custom Synthesis

Tofacitinib Impurity 45

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CAT No: SZ-T010110
CAS No: 923036-25-3
Mol.F. : C20H24ClN5
Mol.Wt. : 369.9
Inv. Status: Custom Synthesis
SZ-T010110
CAS No:923036-25-3
Mol.F.: C20H24ClN5
Mol.Wt.: 369.9
Inv. Status: Custom Synthesis

Tofacitinib Impurity 46

Picture of Tofacitinib Impurity 46
CAT No: SZ-T010111
CAS No: 2102039-99-4
Mol.F. : C21H27N7O3
Mol.Wt. : 425.5
Inv. Status: Custom Synthesis
SZ-T010111
CAS No:2102039-99-4
Mol.F.: C21H27N7O3
Mol.Wt.: 425.5
Inv. Status: Custom Synthesis

Tofacitinib Impurity 47

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CAT No: SZ-T010112
CAS No: NA
Mol.F. : C23H31N7O3
Mol.Wt. : 453.5
Inv. Status: Custom Synthesis
SZ-T010112
CAS No:NA
Mol.F.: C23H31N7O3
Mol.Wt.: 453.5
Inv. Status: Custom Synthesis

Tofacitinib Impurity 48

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CAT No: SZ-T010113
CAS No: NA
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-T010113
CAS No:NA
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 49

Picture of Tofacitinib Impurity 49
CAT No: SZ-T010114
CAS No: NA
Mol.F. : C16H19ClN6O2
Mol.Wt. : 362.8
Inv. Status: Custom Synthesis
SZ-T010114
CAS No:NA
Mol.F.: C16H19ClN6O2
Mol.Wt.: 362.8
Inv. Status: Custom Synthesis

Tofacitinib Impurity 50

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CAT No: SZ-T010115
CAS No: 90953-01-8
Mol.F. : C8H10N4
Mol.Wt. : 162.2
Inv. Status: Custom Synthesis
SZ-T010115
CAS No:90953-01-8
Mol.F.: C8H10N4
Mol.Wt.: 162.2
Inv. Status: Custom Synthesis

Tofacitinib Impurity 51

Picture of Tofacitinib Impurity 51
CAT No: SZ-T010116
CAS No: 5817-96-9
Mol.F. : C6H5N3O
Mol.Wt. : 135.1
Inv. Status: Custom Synthesis
SZ-T010116
CAS No:5817-96-9
Mol.F.: C6H5N3O
Mol.Wt.: 135.1
Inv. Status: Custom Synthesis

Tofacitinib Impurity 52

Picture of Tofacitinib Impurity 52
CAT No: SZ-T010117
CAS No: 2407039-29-4
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-T010117
CAS No:2407039-29-4
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 53

Picture of Tofacitinib Impurity 53
CAT No: SZ-T010118
CAS No: NA
Mol.F. : C16H20N6O2
Mol.Wt. : 328.4
Inv. Status: Custom Synthesis
SZ-T010118
CAS No:NA
Mol.F.: C16H20N6O2
Mol.Wt.: 328.4
Inv. Status: Custom Synthesis

Tofacitinib Impurity 54

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CAT No: SZ-T010119
CAS No: NA
Mol.F. : C22H26N6O8
Mol.Wt. : 502.5
Inv. Status: Custom Synthesis
SZ-T010119
CAS No:NA
Mol.F.: C22H26N6O8
Mol.Wt.: 502.5
Inv. Status: Custom Synthesis

Tofacitinib Impurity 55

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CAT No: SZ-T010120
CAS No: 493040-20-3
Mol.F. : C13H19NO : C7H14O3S
Mol.Wt. : 205.3 : 178.2
Inv. Status: Custom Synthesis
Rel. CAS No : 58878-95-8 (free base)
SZ-T010120
CAS No:493040-20-3
Mol.F.: C13H19NO : C7H14O3S
Mol.Wt.: 205.3 : 178.2
Inv. Status: Custom Synthesis
Rel. CAS No : 58878-95-8 (free base)

Tofacitinib Impurity A (citric acid)

Picture of Tofacitinib Impurity A (citric acid)
CAT No: SZ-T010121
CAS No: 2174011-53-9
Mol.F. : C16H20N6O : C6H8O7
Mol.Wt. : 312.4 : 192.1
Inv. Status: Under Synthesis
Rel. CAS No : 1092578-46-5 (free base)
SZ-T010121
CAS No:2174011-53-9
Mol.F.: C16H20N6O : C6H8O7
Mol.Wt.: 312.4 : 192.1
Inv. Status: Under Synthesis
Rel. CAS No : 1092578-46-5 (free base)

Tofacitinib Impurity 56

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CAT No: SZ-T010122
CAS No: 384337-90-0
Mol.F. : C20H25N5
Mol.Wt. : 335.5
Inv. Status: In Stock
SZ-T010122
CAS No:384337-90-0
Mol.F.: C20H25N5
Mol.Wt.: 335.5
Inv. Status: In Stock

Possible Nitroso Standards

N-Nitroso Tofacitinib Impurity

Picture of N-Nitroso Tofacitinib Impurity
CAT No: SZ-T010097
CAS No: NA
Mol.F. : C13H18N6O
Mol.Wt. : 274.3
Inv. Status: In Stock
SZ-T010097
CAS No:NA
Mol.F.: C13H18N6O
Mol.Wt.: 274.3
Inv. Status: In Stock

N-Nitroso Tofacitinib Impurity 2

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CAT No: SZ-T010100
CAS No: NA
Mol.F. : C16H22N6O2
Mol.Wt. : 330.4
Inv. Status: Custom Synthesis
SZ-T010100
CAS No:NA
Mol.F.: C16H22N6O2
Mol.Wt.: 330.4
Inv. Status: Custom Synthesis

Tofacitinib Nitroso Impurity 2

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CAT No: SZ-T010103
CAS No: NA
Mol.F. : C15H17N7O2
Mol.Wt. : 327.3
Inv. Status: Under Synthesis
SZ-T010103
CAS No:NA
Mol.F.: C15H17N7O2
Mol.Wt.: 327.3
Inv. Status: Under Synthesis

Tofacitinib Nitroso Impurity 3

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CAT No: SZ-T010104
CAS No: NA
Mol.F. : C16H19N7O2
Mol.Wt. : 341.4
Inv. Status: Under Synthesis
SZ-T010104
CAS No:NA
Mol.F.: C16H19N7O2
Mol.Wt.: 341.4
Inv. Status: Under Synthesis

Tofacitinib Nitroso Impurity 4

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CAT No: SZ-T010123
CAS No: NA
Mol.F. : C17H20N6O2
Mol.Wt. : 340.4
Inv. Status: Custom Synthesis
SZ-T010123
CAS No:NA
Mol.F.: C17H20N6O2
Mol.Wt.: 340.4
Inv. Status: Custom Synthesis