Tofacitinib

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

Tofacitinib Related Compound 14
CAT #: T32789
CAS #: N/A
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 Impurity U
CAT #: T02752
CAS #: 297.77 1616760-97-4
M.F : C13H18ClN5
M.W : CAS#: 297.77 1616760-97-4

Tofacitinib Impurity V
CAT #: T02753
CAS #: 346.82 1616761-00-2
M.F : C16H19ClN6O
M.W : CAS#: 346.82 1616761-00-2

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

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 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 PF‐05287430
CAT #: T11062
CAS
M.F : C19H22N8
M.W : 362.44

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

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