Tofacitinib Impurity 23

Tofacitinib Imp.A
CAT #: T00221
CAS #: N/A
M.F .: C17H21N5O
M.W .: 311.38

Tofacitinib Imp.B
CAT #: T00222
CAS #: N/A
M.F .: C17H21N5O
M.W .: 311.38

Tofacitinib Imp.C
CAT #: T00223
CAS #: N/A
M.F .: C17H21N5O
M.W .: 311.38

Tofacitinib Imp.G
CAT #: T00227
CAS #: N/A
M.F .: C17H20ClN5O
M.W .: 345.83

Tofacitinib Imp.J
CAT #: T00230
CAS #: 2097982-05-1
M.F .: C13H19N5
M.W .: 245.33

Tofacitinib Imp.O
CAT #: T00235
CAS #: 2459302-77-1
M.F .: C19H21N7O2
M.W .: 379.42

Tofacitinib Imp.R
CAT #: T00238
CAS #: N/A
M.F .: C29H38N10O2
M.W .: 558.69

Tofacitinib Imp.S
CAT #: T00239
CAS #: N/A
M.F .: C21H25N7O2
M.W .: 407.47

Tofacitinib Imp.T
CAT #: T00240
CAS #: 1092578-43-2
M.F .: C16H20N6O
M.W .: 312.38

Tofacitinib Imp.U
CAT #: T00241
CAS #: N/A
M.F .: C34H45N7
M.W .: 551.78

Tofacitinib Imp.V
CAT #: T00242
CAS #: N/A
M.F .: C20H33N7
M.W .: 419.52

Tofacitinib Imp.X
CAT #: T00244
CAS #: N/A
M.F .: C13H19N5
M.W .: 245.32

Tofacitinib Imp.Y
CAT #: T00245
CAS #: 2374700-40-8
M.F .: C16H20N6O
M.W .: 312.38

Tofacitinib Imp.Z
CAT #: T00246
CAS #: N/A
M.F .: C16H19ClN6O
M.W .: 346.82

Tofacitinib Citrate Impurity 1((Mixture of A and B))
CAT #: T00383
CAS #: NA
M.F .: C16H20N6O/C6H8O7
M.W .: 312.37/192.12

Tofacitinib Impurity A
CAT #: T32749
CAS #: 1092578-46-5
M.F .: C16H20N6O
M.W .: 312.38

Tofacitinib Impurity B
CAT #: T32750
CAS #: 1092578-48-7
M.F .: C16H20N6O
M.W .: 312.38

Tofacitinib Impurity C Citrate
CAT #: T32751
CAS #: 2174011-55-1
M.F .: C16H20N6O. C6H8O7
M.W .: 312.38 192.13

Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3S,4R))
CAT #: T32752
CAS #: N/A
M.F .: C13H19N5
M.W .: 245.33

Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3R,4S))
CAT #: T32753
CAS #: N/A
M.F .: C13H19N5
M.W .: 245.33

Tofacitinib Related Compound 10 HCl
CAT #: T32754
CAS #: 2374700-39-5（free base）
M.F .: C13H19N5 HCl
M.W .: 245.33 36.46

Tofacitinib Related Compound 9
CAT #: T32755
CAS #: N/A
M.F .: C34H45N7
M.W .: 551.78

Tofacitinib N-hydroxy Impurity
CAT #: T32759
CAS #: 2459302-76-0
M.F .: C13H19N5O
M.W .: 261.33

Tofacitinib related compound 1
CAT #: T32760
CAS #: N/A
M.F .: C16H22N6O2
M.W .: 330.39

Tofacitinib related compound 2
CAT #: T32761
CAS #: N/A
M.F .: C10H17N3O
M.W .: 195.27

Tofacitinib Related Compound 3
CAT #: T32762
CAS #: N/A
M.F .: C13H18N4O2
M.W .: 262.31

Tofacitinib related compound 4
CAT #: T32763
CAS #: N/A
M.F .: C16H20N6O
M.W .: 312.38

Tofacitinib Related Impurity (PF-05579970)
CAT #: T32765
CAS #: 1640971-60-3
M.F .: C14H20N6O
M.W .: 288.36

Tofacitinib Impurity 37
CAT #: T32766
CAS #: 344418-92-4
M.F .: C16H20N6O
M.W .: 312.38

Tofacitinib Impurity F
CAT #: T32767
CAS #: 384338-23-2
M.F .: C14H22N2
M.W .: 218.34

Tofacitinib Impurity I DiHCl
CAT #: T32768
CAS #: 1821769-41-8
M.F .: C14H22N2 2xHCl
M.W .: 218.34 2x36.46

Tofacitinib Impurity J
CAT #: T32769
CAS #: 2106832-55-5
M.F .: C14H22N2 2xHCl
M.W .: 218.34 2x36.46

Tofacitinib Impurity M
CAT #: T32772
CAS #: 477600-74-1
M.F .: C13H19N5
M.W .: 245.33

Tofacitinib Impurity N
CAT #: T32773
CAS #: 1260614-73-0
M.F .: C13H19N5
M.W .: 245.33

Tofacitinib Impurity P
CAT #: T32775
CAS #: 1252883-90-1
M.F .: C20H25N5
M.W .: 335.46

Tofacitinib Impurity Q
CAT #: T32776
CAS #: 3680-69-1
M.F .: C6H4ClN3
M.W .: 153.57

Tofacitinib Impurity R
CAT #: T32777
CAS #: 479633-63-1
M.F .: C13H10ClN3O2S
M.W .: 307.76

Tofacitinib Impurity S
CAT #: T32778
CAS #: N/A
M.F .: C27H31N5O2S
M.W .: 489.64

Tofacitinib Impurity T
CAT #: T32779
CAS #: N/A
M.F .: C16H18N6O
M.W .: 310.36

Tofacitinib Impurity U
CAT #: T02752
CAS #: 1616760-97-4
M.F : C13H18ClN5
M.W : 279.77

Tofacitinib Impurity W
CAT #: T32782
CAS #: 2250243-18-4
M.F .: C13H18ClN5
M.W .: 279.77

Tofacitinib Impurity Z
CAT #: T32785
CAS #: 477600-76-3
M.F .: C15H21N5O
M.W .: 287.37

Tofacitinib Related Compound 12
CAT #: T11076
CAS #: 1640971-51-2
M.F : C16H20N6O2
M.W : 328.38

Tofacitinib Related Compound 13
CAT #: T32788
CAS #: N/A
M.F .: C20H25N5
M.W .: 335.46

Tofacitinib Related Compound 14
CAT #: T32789
CAS #: 2227199-28-0
M.F .: C14H19N5O
M.W .: 273.34

Tofacitinib Related Compound 15
CAT #: T32790
CAS #: N/A
M.F .: C15H21N5O
M.W .: 287.37

Tofacitinib Related Compound 16
CAT #: T32791
CAS #: N/A
M.F .: C15H23N5
M.W .: 273.38

Tofacitinib Related Compound 21
CAT #: T01504
CAS #: 1640972-35-5
M.F .: C16H22N6O
M.W .: 314.39

Tofacitinib Related Compound 17
CAT #: T01485
CAS #: N/A
M.F .: C20H25N5O2S
M.W .: 399.51

Tofacitinib Impurity 3
CAT #: T01561
CAS #: 1812890-23-5
M.F .: C13H21N5
M.W .: 247.34

Tofacitinib Impurity K
CAT #: T32770 Product Name: Tofacitinib Impurity K Synonyms:3-((3R,4R)-4-Methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanoic acid M.F.:C16H21N5O3 M.W.: 331.38 CAS#:2328165-36-0 Specification: 10mg/vial
CAS #:2328165-36-0 Specification: 10mg/vial
M.F .:C16H21N5O3 M.W.: 331.38 CAS#:2328165-36-0 Specification: 10mg/vial
M.W .: 331.38 CAS#:2328165-36-0 Specification: 10mg/vial

Tofacitinib Impurity 12
CAT #: T10567
CAS
M.F : C23H31N7O3
M.W : 453.54

Tofacitinib Related Compound 34
CAT #: T10225
CAS #: 2227199-31-5
M.F : C20H29N5O3
M.W : 387.48

Tofacitinib Impurity 8
CAT #: T11062
CAS
M.F : C19H22N8
M.W : 362.44

Tofacitinib Impurity PF‐05211077
CAT #: T11063
CAS #: N/A
M.F : C20H29N5O3
M.W : 387.48

Tofacitinib Impurity 15
CAT #: T02204
CAS #: 1092578-48-7+1092578-46-5
M.F : C16H20N6O+C16H20N6O
M.W : 312.38+312.38

Tofacitinib Impurity 9
CAT #: T11064
CAS #: 477600-73-0
M.F : C20H25N5
M.W : 335.46

Tofacitinib Impurity 49
CAT #: T10460
CAS #: 1204176-45-3
M.F : C8H16N2O2
M.W : 172.23

Tofacitinib Related Compound 8
CAT #: T11439
CAS #: 2028267-73-2
M.F : C16H20N6O2
M.W : 328.38

Tofacitinib Impurity 13
CAT #: T11077
CAS #: 2268720-86-9
M.F : C20H24ClN5
M.W : 369.9

Tofacitinib Degradation Impurity
CAT #: T02101
CAS #: 2306255-27-4
M.F : C20H24ClN5
M.W : 369.9

Tofacitinib Impurity 12
CAT #: T02100
CAS #: 2306248-37-1
M.F : C20H24ClN5
M.W : 369.9

Tofacitinib Related Compound 22
CAT #: T11812
CAS #: 384337-90-0
M.F : C20H25N5
M.W : 335.46

Tofacitinib Impurity 3 DiHCl
CAT #: T04976
CAS #: 1812890-23-5（free base）
M.F : C13H21N5 2×HCl
M.W : 247.35 2×36.46

Tofacitinib Impurity 18 DiHCl
CAT #: T11869
CAS #: 1354486-07-9
M.F : C14H22N2 2×HCl
M.W : 218.34 2×36.46

Tofacitinib Impurity 23
CAT #: T11870
CAS #: 1431697-80-1
M.F : C14H22N2
M.W : 218.34

Tofacitinib Impurity 25
CAT #: T11871
CAS #: 12068-03-0
M.F : C7H7O3S Na
M.W : 171.19 22.99

Tofacitinib Impurity C
CAT #: T11872
CAS #: 1092578-47-6
M.F : C16H20N6O
M.W : 312.38

Tofacitinib Impurity 26
CAT #: T11889
CAS #: N/A
M.F : C12H5Cl3N6
M.W : 339.56

Tofacitinib Impurity 28
CAT #: T11890
CAS #: N/A
M.F : C12H8N6
M.W : 236.24

Tofacitinib Impurity ZJT1-F
CAT #: T11897
CAS #: 2282653-53-4
M.F : C8H9ClN4
M.W : 196.64

Tofacitinib Impurity JT2-I
CAT #: T11898
CAS #: 90953-01-8
M.F : C8H10N4
M.W : 162.2

Tofacitinib Impurity DP
CAT #: T11494
CAS #: N/A
M.F : C22H23N9O
M.W : 429.49

Tofacitinib Impurity 29
CAT #: T02779
CAS #: N/A
M.F : C19H22N8
M.W : 362.44

Tofacitinib N-Oxide Impurity 2
CAT #: T11646
CAS #: N/A
M.F : C16H20N6O2
M.W : 328.38

Tofacitinib Impurity IV HCl
CAT #: T11692
CAS #: 1206824-67-0
M.F : C15H22N2O2.HCl
M.W : 262.35 36.46

Tofacitinib Impurity IV
CAT #: T10461
CAS #: 1206875-41-3
M.F : C15H22N2O2
M.W : 262.35

Tofacitinib Impurity 32
CAT #: T03839
CAS #: 32634-66-5
M.F : C20H18O8
M.W : 386.36

Tofacitinib Impurity 33
CAT #: T03014
CAS #: 10132-07-7
M.F : C4H3Cl2N3
M.W : 163.99

Tofacitinib Impurity 11
CAT #: T03529
CAS #: 2227197-38-6
M.F : C14H21N5
M.W : 259.36

Tofacitinib Related Compound 2 HCl
CAT #: T28803
CAS #: 1629858-78-1 (free base)
M.F : C10H17N3O HCl
M.W : 195.27 36.46

Tofacitinib Impurity 36 DiHCl
CAT #: T33346
CAS #: N/A
M.F : C14H22N2O 2×HCl
M.W : 234.34 2×36.46

Tofacitinib citrate
CAT #: T03525
CAS #: 540737-29-9
M.F : C16H20N6O C6H8O7
M.W : 312.38 192.12

Tofacitinib Impurity B Citrate
CAT #: T12691
CAS #: 2174011-54-0
M.F : C16H20N6O C6H8O7
M.W : 312.38 192.12

Tofacitinib Related Compound 35
CAT #: T11240
CAS #: 2459302-85-1
M.F : C21H27N7O3
M.W : 425.49

Tofacitinib Impurity 38 DiHCl
CAT #: T10463
CAS #: 1354469-76-3（free base）
M.F : C7H16N2 2×HCl
M.W : 128.22 2×36.46

Tofacitinib Impurity 39
CAT #: T00830
CAS #: N/A
M.F : C26H35N5O
M.W : 433.6

Tofacitinib Related Compound 24
CAT #: T11185
CAS #: 2459302-82-8
M.F : C19H23N7O2
M.W : 381.44

Tofacitinib Impurity 17
CAT #: T02199
CAS #: 2459302-80-6+1092578-45-4
M.F : C20H25N5+C20H25N5
M.W : 335.46+335.46

Tofacitinib Related Compound 30
CAT #: T02317
CAS #: N/A
M.F : C20H27N5
M.W : 337.47

Tofacitinib Impurity 46
CAT #: T02318
CAS #: N/A
M.F : C13H20ClN5
M.W : 281.79

Tofacitinib Impurity 47
CAT #: T02328
CAS #: 2459302-87-3
M.F : C26H26Cl2N8
M.W : 521.45

Tofacitinib Impurity 2
CAT #: T02475
CAS #: 477600-69-4
M.F : C14H22N2
M.W : 218.34

Tofacitinib Impurity 44
CAT #: T02847
CAS #: 39929-79-8
M.F : C6H5N3O2
M.W : 151.13

Tofacitinib Impurity 48
CAT #: T13055
CAS #: N/A
M.F : C15H20ClN5O
M.W : 321.81

Tofacitinib Related Compound 31
CAT #: T02902
CAS #: 134965-85-8
M.F : C12H7ClN6
M.W : 270.68

Tofacitinib Impurity 5
CAT #: T13254
CAS #: 923036-30-0
M.F : C27H31N5O2S
M.W : 489.64

Tofacitinib Impurity QTD
CAT #: T10468
CAS #: 923036-25-3
M.F : C20H24ClN5
M.W : 369.9

Tofacitinib Impurity 7
CAT #: T11074
CAS #: N/A
M.F : C23H31N7O3
M.W : 453.55

Tofacitinib Impurity 20
CAT #: T10162
CAS #: 2407039-29-4
M.F : C16H20N6O2
M.W : 328.38

Tofacitinib Impurity 41
CAT #: T11079
CAS #: N/A
M.F : C20H24ClN5+C20H24ClN5
M.W : 369.90+369.90

Tofacitinib Related Compound 40
CAT #: T10668
CAS #: 2459302-88-4
M.F : C20H29N5O3
M.W : 387.48

Tofacitinib Impurity 50 Chloride
CAT #: T13192
CAS #: 1615709-90-4
M.F : C14H17N2 Cl
M.W : 213.30 35.45

Tofacitinib Impurity I
CAT #: T13193
CAS #: 1638499-33-8
M.F : C14H22N2
M.W : 218.34

Tofacitinib Impurity 51
CAT #: T13194
CAS #: 100-39-0
M.F : C7H7Br
M.W : 171.04

Tofacitinib Impurity 52
CAT #: T13195
CAS #: 7400-06-8
M.F : C10H17N3O3
M.W : 227.26

Tofacitinib Impurity E
CAT #: T13543
CAS #: NA
M.F : C19H22N8
M.W : 362.44

Tofacitinib impurity 3 Trifluoroacetate
CAT #: T13573
CAS #: 1812890-23-5（free base）
M.F : C13H21N5 C2HF3O2
M.W : 247.34 114.02

Tofacitinib Impurity 53
CAT #: T13785
CAS #: 77862-24-9
M.F : C7H10N2
M.W : 122.17

Tofacitinib-d3 Citrate
CAT #: D14664
CAS #: 1252869-49-0(free base)
M.F : C16H17D3N6O C6H8O7
M.W : 315.40 192.12

Tofacitinib Impurity 54
CAT #: T14850
CAS #: 873-83-6
M.F : C4H5N3O2
M.W : 127.1

Tofacitinib Impurity 50 Bromide
CAT #: T15161
CAS #: 1615709-89-1
M.F : C14H17N2 Br
M.W : 213.30 79.90

Tofacitinib
CAT #: T15470
CAS #: 477600-75-2
M.F : C16H20N6O
M.W : 312.38

Tofacitinib Impurity 55
CAT #: T15772
CAS #: 90213-66-4
M.F : C6H3Cl2N3
M.W : 188.01

Tofacitinib Impurity 58
CAT #: T16001
CAS #: 1245811-22-6
M.F : C6H4ClN3O
M.W : 169.57

Tofacitinib Impurity 59
CAT #: T16002
CAS #: 61612-04-6
M.F : C8H8N2O3
M.W : 180.16

Tofacitinib Impurity M DiTrifluoroacetic acid
CAT #: T16079
CAS #: 477600-74-1(free base)
M.F : C13H19N5 2×C2HF3O2
M.W : 245.33 2×114.02

Tofacitinib Impurity 60
CAT #: T16214
CAS #: NA
M.F : C16H22N6O
M.W : 314.39

Tofacitinib Impurity 61
CAT #: T16374
CAS #: NA
M.F : C13H11ClN4
M.W : 258.71

Tofacitinib Related Compound 21 Citrate
CAT #: T16528
CAS #: 1809002-40-1
M.F : C16H22N6O C6H8O7
M.W : 314.39 192.12

Tofacitinib Impurity 62
CAT #: T16782
CAS #: 2101951-20-4
M.F : C16H20N6O2
M.W : 328.38

Tofacitinib Impurity 63
CAT #: T16891
CAS #: 52090-68-3
M.F : C8H10N2O
M.W : 150.18

Tofacitinib Impurity 64
CAT #: T17077
CAS #: NA
M.F : C16H20N6O2
M.W : 328.38

Tofacitinib Impurity 65
CAT #: T17414
CAS #: 294852-91-8
M.F : C18H22N2O
M.W : 282.39

Tofacitinib Impurity 66 HCl
CAT #: T17421
CAS #: 2280085-84-7（free base）
M.F : C30H41N11O2 HCl
M.W : 587.73 36.46

Tofacitinib Impurity 67
CAT #: T17994
CAS #: 2716897-35-5
M.F : C20H25N7O3
M.W : 411.47

Tofacitinib Impurity 48 HCl
CAT #: T18325
CAS #: NA
M.F : C15H20ClN5O HCl
M.W : 321.81 36.46

CAT#:	T11870
Product Name:	Tofacitinib Impurity 23
Synonyms:	(3R, 4S) - 1-benzyl-n, 4-dimethylpiperidine-3-amine
M.F:	C14H22N2
M.W:	218.34
CAS#:	1431697-80-1
Specification:	10mg/vial