Tofacitinib

Buy high quality Tofacitinib Impurities from Chemicea Pharma. Chemicea Pharma is one of the leading manufacturer and exporter of Tofacitinib impurities. We synthesize Tofacitinib Degradation Impurities, Tofacitinib Process Impurities, Tofacitinib Potential Impurities, Tofacitinib USP Related Compound, Tofacitinib N-Nitroso impurities, Tofacitinib nitrosamine impurities etc.

Pharmaceutical Reference Standards

Tofacitinib

CAT. No.	CP-T23000
CAS. No.	477600-75-2
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

Rel. Cas No: 540737-29-9 (citrate salt)

Tofacitinib Impurity R

CAT. No.	CP-T23001
CAS. No.	479633-63-1
Mol. F.	C13H10ClN3O2S
Mol. Wt.	307.75
Stock Status:	In Stock

Tofacitinib Impurity M

CAT. No.	CP-T23002
CAS. No.	477600-74-1
Mol. F.	C13H19N5
Mol. Wt.	245.33
Stock Status:	In Stock

Rel. Cas No: 1260590-51-9 (HCl salt) : 1655430-59-3 (2HCl salt)

Tofacitinib Impurity Q

CAT. No.	CP-T23004
CAS. No.	3680-69-1
Mol. F.	C6H4ClN3
Mol. Wt.	153.57
Stock Status:	In Stock

Tofacitinib Impurity L

CAT. No.	CP-T23006
CAS. No.	1675248-19-7
Mol. F.	C16H22N6O2
Mol. Wt.	330.38
Stock Status:	In Stock

Tofacitinib Impurity 30

CAT. No.	CP-T23007
CAS. No.	105-56-6
Mol. F.	C5H7NO2
Mol. Wt.	113.12
Stock Status:	Custom Synthesis

Tofacitinib Impurity 37

CAT. No.	CP-T23008
CAS. No.	773076-83-8
Mol. F.	C9H15NO4
Mol. Wt.	201.22
Stock Status:	Custom Synthesis

Tofacitinib Impurity C Citrate

CAT. No.	CP-T23009
CAS. No.	2174011-55-1
Mol. F.	C16H20N6O : C6H8O7
Mol. Wt.	312.38 : 192.12
Stock Status:	Custom Synthesis

Rel. Cas No: 1092578-47-6(freebase)

Tofacitinib Dihydro Impurity

CAT. No.	CP-T23010
CAS. No.	1640972-35-5
Mol. F.	C16H22N6O
Mol. Wt.	314.39
Stock Status:	Custom Synthesis

Rel. Cas No: 1809002-40-1 (citrate salt)

N-Nitroso Tofacitinib Impurity 7

CAT. No.	CP-T23011
CAS. No.	NA
Mol. F.	C14H21N3O
Mol. Wt.	247.34
Stock Status:	In Stock

N-Nitroso Tofacitinib Impurity 6

CAT. No.	CP-T23012
CAS. No.	NA
Mol. F.	C10H16N4O2
Mol. Wt.	224.26
Stock Status:	In Stock

N-Nitroso Tofacitinib

CAT. No.	CP-T23013
CAS. No.	NA
Mol. F.	C13H18N6O
Mol. Wt.	274.33
Stock Status:	In Stock

Tofacitinib Citrate

CAT. No.	CP-T23014
CAS. No.	540737-29-9
Mol. F.	C16H20N6O : C6H8O7
Mol. Wt.	312.38 : 192.12
Stock Status:	In Stock

Rel. Cas No: 477600-75-2 (free base)

N-Nitroso Tofacitinib Impurity 5

CAT. No.	CP-T23015
CAS. No.	NA
Mol. F.	C15H17N7O2
Mol. Wt.	327.35
Stock Status:	Please Enquire

N-Nitroso Tofacitinib Impurity 3

CAT. No.	CP-T23016
CAS. No.	NA
Mol. F.	C16H19N7O2
Mol. Wt.	341.37
Stock Status:	Please Enquire

N-Nitroso Tofacitinib Impurity 4

CAT. No.	CP-T23017
CAS. No.	NA
Mol. F.	C17H20N6O2
Mol. Wt.	340.39
Stock Status:	Please Enquire

N-Nitroso Tofacitinib Impurity 2

CAT. No.	CP-T23018
CAS. No.	NA
Mol. F.	C16H22N6O2
Mol. Wt.	330.39
Stock Status:	Please Enquire

Tofacitinib N-formyl Impurity

CAT. No.	CP-T23019
CAS. No.	2227199-28-0
Mol. F.	C14H19N5O
Mol. Wt.	273.34
Stock Status:	In Stock

Tofacitinib related compound 1

CAT. No.	CP-T23020
CAS. No.	2504210-30-2
Mol. F.	C16H22N6O2
Mol. Wt.	330.39
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 3

CAT. No.	CP-T23021
CAS. No.	NA
Mol. F.	C13H18N4O2
Mol. Wt.	262.31
Stock Status:	Custom Synthesis

Tofacitinib related compound 4

CAT. No.	CP-T23022
CAS. No.	1092578-43-2
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

Tofacitinib N-Oxopropanenitrile

CAT. No.	CP-T23023
CAS. No.	2459302-77-1
Mol. F.	C19H21N7O2
Mol. Wt.	379.42
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 8

CAT. No.	CP-T23024
CAS. No.	2504210-41-5
Mol. F.	C29H38N10O2
Mol. Wt.	558.69
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 9

CAT. No.	CP-T23025
CAS. No.	2459302-78-2
Mol. F.	C34H45N7
Mol. Wt.	551.78
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 10

CAT. No.	CP-T23026
CAS. No.	2374700-39-5
Mol. F.	C13H19N5
Mol. Wt.	245.33
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 11

CAT. No.	CP-T23027
CAS. No.	1640971-60-3
Mol. F.	C14H20N6O
Mol. Wt.	288.36
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 12

CAT. No.	CP-T23028
CAS. No.	2459302-80-6
Mol. F.	C20H25N5
Mol. Wt.	335.45
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 13

CAT. No.	CP-T23029
CAS. No.	1092578-45-4
Mol. F.	C20H25N5
Mol. Wt.	335.45
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 15

CAT. No.	CP-T23031
CAS. No.	NA
Mol. F.	C15H21N5O
Mol. Wt.	287.37
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 16

CAT. No.	CP-T23032
CAS. No.	NA
Mol. F.	C15H23N5
Mol. Wt.	273.38
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 17

CAT. No.	CP-T23033
CAS. No.	2056104-91-5
Mol. F.	C27H31N5O2S
Mol. Wt.	489.64
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 18

CAT. No.	CP-T23034
CAS. No.	1092578-44-3
Mol. F.	C27H31N5O2S
Mol. Wt.	489.64
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 20

CAT. No.	CP-T23035
CAS. No.	2259288-22-5
Mol. F.	C23H26N6O3S
Mol. Wt.	466.56
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 24

CAT. No.	CP-T23036
CAS. No.	2459302-82-8
Mol. F.	C19H23N7O2
Mol. Wt.	381.44
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 25

CAT. No.	CP-T23037
CAS. No.	2504210-33-5
Mol. F.	C27H31N5OS
Mol. Wt.	473.64
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 27

CAT. No.	CP-T23038
CAS. No.	NA
Mol. F.	C13H18N4O2
Mol. Wt.	262.31
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 28 (rac-trans-Tofacitinib)

CAT. No.	CP-T23039
CAS. No.	NA
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

Tofacitinib Related Impurity (PF-05579970)

CAT. No.	CP-T23040
CAS. No.	NA
Mol. F.	C15H21N5O
Mol. Wt.	287.37
Stock Status:	Custom Synthesis

Tofacitinib Mixture of Diastereomers (Citric acid)

CAT. No.	CP-T23041
CAS. No.	2664002-63-3
Mol. F.	C16H20N6O : C6H8O7
Mol. Wt.	312.38 : 192.12
Stock Status:	Custom Synthesis

Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3S,4R))

CAT. No.	CP-T23042
CAS. No.	2378663-15-9
Mol. F.	C13H19N5
Mol. Wt.	245.33
Stock Status:	Custom Synthesis

Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3R,4S))

CAT. No.	CP-T23043
CAS. No.	2459302-75-9
Mol. F.	C13H19N5
Mol. Wt.	245.33
Stock Status:	Custom Synthesis

Tofacitinib N-hydroxy impurity

CAT. No.	CP-T23044
CAS. No.	2459302-76-0
Mol. F.	C13H19N5O
Mol. Wt.	261.33
Stock Status:	Custom Synthesis

1-Benzyl-4-methylpiperidin-3-one

CAT. No.	CP-T23045
CAS. No.	32018-96-5
Mol. F.	C13H17NO
Mol. Wt.	203.29
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 29

CAT. No.	CP-T23046
CAS. No.	134965-85-8
Mol. F.	C12H7ClN6
Mol. Wt.	270.68
Stock Status:	Custom Synthesis

Tofacitinib Related Substance 1

CAT. No.	CP-T23047
CAS. No.	2101958-24-9
Mol. F.	C16H22N6O3
Mol. Wt.	346.39
Stock Status:	Custom Synthesis

Tofacitinib Related Substance 2

CAT. No.	CP-T23048
CAS. No.	2101951-13-5
Mol. F.	C16H22N6O3
Mol. Wt.	346.39
Stock Status:	Custom Synthesis

Tofacitinib Related Substance 4

CAT. No.	CP-T23049
CAS. No.	NA
Mol. F.	C18H26N6O2
Mol. Wt.	358.45
Stock Status:	Custom Synthesis

Tofacitinib Related Substance 5

CAT. No.	CP-T23050
CAS. No.	NA
Mol. F.	C16H22N6O2
Mol. Wt.	330.39
Stock Status:	Custom Synthesis

Tofacitinib Related Substance 6

CAT. No.	CP-T23051
CAS. No.	NA
Mol. F.	C16H22N6O4
Mol. Wt.	362.39
Stock Status:	Custom Synthesis

Tofacitinib Related Substance 8

CAT. No.	CP-T23052
CAS. No.	2101951-20-4
Mol. F.	C16H20N6O2
Mol. Wt.	328.38
Stock Status:	Custom Synthesis

(3S,4S)-Tofacitinib

CAT. No.	CP-T23053
CAS. No.	1092578-47-6
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

Rel. Cas No: 2174011-55-1 (citrate salt)

Tofacitinib Impurity A

CAT. No.	CP-T23054
CAS. No.	1092578-46-5
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

Rel. Cas No: 2174011-53-9 (citrate salt)

Tofacitinib Impurity B

CAT. No.	CP-T23055
CAS. No.	1092578-48-7
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

Tofacitinib Impurity I

CAT. No.	CP-T23056
CAS. No.	1821769-41-8
Mol. F.	C14H22N2 : 2(HCl)
Mol. Wt.	218.34 : 2(36.46)
Stock Status:	Custom Synthesis

Rel. Cas No: 1638499-33-8 (free base)

Tofacitinib Acid Impurity

CAT. No.	CP-T23057
CAS. No.	2328165-36-0
Mol. F.	C16H21N5O3
Mol. Wt.	331.38
Stock Status:	Custom Synthesis

Tofacitinib Impurity N

CAT. No.	CP-T23058
CAS. No.	1260614-73-0
Mol. F.	C13H19N5
Mol. Wt.	245.33
Stock Status:	Custom Synthesis

Tofacitinib Benzyl Impurity

CAT. No.	CP-T23059
CAS. No.	477600-73-0
Mol. F.	C20H25N5
Mol. Wt.	335.45
Stock Status:	Custom Synthesis

Tofacitinib Impurity P

CAT. No.	CP-T23060
CAS. No.	1252883-90-1
Mol. F.	C20H25N5
Mol. Wt.	335.45
Stock Status:	Custom Synthesis

Tofacitinib Impurity S

CAT. No.	CP-T23061
CAS. No.	923036-30-0
Mol. F.	C27H31N5O2S
Mol. Wt.	489.64
Stock Status:	Custom Synthesis

Tofacitinib Impurity T

CAT. No.	CP-T23062
CAS. No.	2504210-31-3
Mol. F.	C16H18N6O
Mol. Wt.	310.36
Stock Status:	Custom Synthesis

Tofacitinib Impurity U

CAT. No.	CP-T23063
CAS. No.	1616760-97-4
Mol. F.	C13H18ClN5
Mol. Wt.	279.77
Stock Status:	Custom Synthesis

Tofacitinib Impurity V

CAT. No.	CP-T23064
CAS. No.	1616761-00-2
Mol. F.	C16H19ClN6O
Mol. Wt.	346.82
Stock Status:	Custom Synthesis

Tofacitinib Impurity W

CAT. No.	CP-T23065
CAS. No.	2504210-32-4
Mol. F.	C13H18ClN5
Mol. Wt.	279.77
Stock Status:	Custom Synthesis

Tofacitinib Impurity X

CAT. No.	CP-T23066
CAS. No.	2097982-05-1
Mol. F.	C13H19N5
Mol. Wt.	245.33
Stock Status:	Custom Synthesis

Tofacitinib Impurity Y

CAT. No.	CP-T23067
CAS. No.	2227197-38-6
Mol. F.	C14H21N5
Mol. Wt.	259.36
Stock Status:	Custom Synthesis

Tofacitinib Impurity Z

CAT. No.	CP-T23068
CAS. No.	477600-76-3
Mol. F.	C15H21N5O
Mol. Wt.	287.37
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 2

CAT. No.	CP-T23069
CAS. No.	1640971-87-4
Mol. F.	C10H17N3O : HCl
Mol. Wt.	195.27 : 36.46
Stock Status:	Custom Synthesis

Rel. Cas No: 1629858-78-1 (free base)

Tofacitinib N-Oxide Impurity 1

CAT. No.	CP-T23070
CAS. No.	2028267-73-2
Mol. F.	C16H20N6O2
Mol. Wt.	328.38
Stock Status:	Custom Synthesis

Tofacitinib Related Compound 21

CAT. No.	CP-T23071
CAS. No.	1809002-40-1
Mol. F.	C16H22N6O : C6H8O7
Mol. Wt.	314.39 : 192.12
Stock Status:	Custom Synthesis

Rel. Cas No: 1640972-35-5 (free base)

Tofacitinib Related Compound 23

CAT. No.	CP-T23072
CAS. No.	2640342-78-3
Mol. F.	C13H21N5 : 2(HCl)
Mol. Wt.	247.35 : 2(36.46)
Stock Status:	Custom Synthesis

Rel. Cas No: 1812890-23-5 (free base)

Tofacitinib keto impurity

CAT. No.	CP-T23073
CAS. No.	1236267-27-8
Mol. F.	C16H20N6O2
Mol. Wt.	328.38
Stock Status:	Custom Synthesis

Tofacitinib Impurity 2

CAT. No.	CP-T23074
CAS. No.	1640971-51-2
Mol. F.	C16H20N6O2
Mol. Wt.	328.38
Stock Status:	Custom Synthesis

Tofacitinib Impurity 3

CAT. No.	CP-T23075
CAS. No.	1206825-36-6
Mol. F.	C13H19N5
Mol. Wt.	245.33
Stock Status:	Custom Synthesis

Tofacitinib Impurity 4

CAT. No.	CP-T23076
CAS. No.	1675248-18-6
Mol. F.	C18H25N5O3
Mol. Wt.	359.43
Stock Status:	Custom Synthesis

Tofacitinib Impurity 5

CAT. No.	CP-T23077
CAS. No.	1354621-59-2
Mol. F.	C14H22N2
Mol. Wt.	218.34
Stock Status:	Custom Synthesis

Tofacitinib Impurity 8

CAT. No.	CP-T23078
CAS. No.	1527525-58-1
Mol. F.	C15H18N6O
Mol. Wt.	298.35
Stock Status:	Custom Synthesis

Tofacitinib Impurity 9

CAT. No.	CP-T23079
CAS. No.	2382711-65-9
Mol. F.	C34H42N10O2
Mol. Wt.	622.78
Stock Status:	Custom Synthesis

Tofacitinib Impurity 28

CAT. No.	CP-T23080
CAS. No.	2227199-31-5
Mol. F.	C20H29N5O3
Mol. Wt.	387.48
Stock Status:	Custom Synthesis

Tofacitinib Impurity 29

CAT. No.	CP-T23081
CAS. No.	2459302-85-1
Mol. F.	C21H27N7O3
Mol. Wt.	425.49
Stock Status:	Custom Synthesis

Tofacitinib Impurity 31

CAT. No.	CP-T23082
CAS. No.	344418-61-7
Mol. F.	C15H21N5O
Mol. Wt.	287.37
Stock Status:	Custom Synthesis

7-Deazapurine

CAT. No.	CP-T23083
CAS. No.	271-70-5
Mol. F.	C6H7N3
Mol. Wt.	121.14
Stock Status:	Custom Synthesis

Tofacitinib Impurity 33

CAT. No.	CP-T23084
CAS. No.	16372-08-0
Mol. F.	C6H6ClN3
Mol. Wt.	155.59
Stock Status:	Custom Synthesis

Tofacitinib Impurity 34

CAT. No.	CP-T23085
CAS. No.	1111638-10-8
Mol. F.	C5H3ClN4
Mol. Wt.	154.56
Stock Status:	Custom Synthesis

Tofacitinib Impurity 40

CAT. No.	CP-T23086
CAS. No.	477600-70-7
Mol. F.	C14H22N2
Mol. Wt.	218.34
Stock Status:	Custom Synthesis

Rel. Cas No: 1820713-38-9 (HCl salt) ; 1062580-52-2 (dihydrochloride)

Tofacitinib Impurity 42

CAT. No.	CP-T23087
CAS. No.	90213-66-4
Mol. F.	C6H3Cl2N3
Mol. Wt.	188.01
Stock Status:	Custom Synthesis

Tofacitinib Impurity 45

CAT. No.	CP-T23088
CAS. No.	923036-25-3
Mol. F.	C20H24ClN5
Mol. Wt.	369.9
Stock Status:	Custom Synthesis

Tofacitinib Impurity 46

CAT. No.	CP-T23089
CAS. No.	2102039-99-4
Mol. F.	C21H27N7O3
Mol. Wt.	425.49
Stock Status:	Custom Synthesis

Tofacitinib Impurity 50

CAT. No.	CP-T23090
CAS. No.	90953-01-8
Mol. F.	C8H10N4
Mol. Wt.	162.16
Stock Status:	Custom Synthesis

Tofacitinib Impurity 51

CAT. No.	CP-T23091
CAS. No.	5817-96-9
Mol. F.	C6H5N3O
Mol. Wt.	135.13
Stock Status:	Custom Synthesis

Tofacitinib Impurity 52

CAT. No.	CP-T23092
CAS. No.	2407039-29-4
Mol. F.	C16H20N6O2
Mol. Wt.	328.38
Stock Status:	Custom Synthesis

Tofacitinib Impurity 55

CAT. No.	CP-T23093
CAS. No.	493040-20-3
Mol. F.	C13H19NO : C7H14O3S
Mol. Wt.	205.3 : 178.25
Stock Status:	Custom Synthesis

Rel. Cas No: 58878-95-8 (free base)

Tofacitinib Impurity A (citric acid)

CAT. No.	CP-T23094
CAS. No.	2174011-53-9
Mol. F.	C16H20N6O : C6H8O7
Mol. Wt.	312.38 : 192.12
Stock Status:	Custom Synthesis

Rel. Cas No: 1092578-46-5 (free base)

Tofacitinib Impurity 56

CAT. No.	CP-T23095
CAS. No.	384337-90-0
Mol. F.	C20H25N5
Mol. Wt.	335.45
Stock Status:	Custom Synthesis

Tofacitinib Impurity 57

CAT. No.	CP-T23096
CAS. No.	2315287-12-6
Mol. F.	C32H40N12O2
Mol. Wt.	624.75
Stock Status:	Custom Synthesis

Tofacitinib Citrate Diastereomers-1

CAT. No.	CP-T23097
CAS. No.	NA
Mol. F.	C16H20N6O : C6H8O7
Mol. Wt.	312.38 : 192.12
Stock Status:	Custom Synthesis

Tofacitinib Diastereomer-1 and 2

CAT. No.	CP-T23098
CAS. No.	2734856-31-4
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

N-Nitroso Tofacitinib Impurity 35

CAT. No.	CP-T23099
CAS. No.	NA
Mol. F.	C6H4N4O2
Mol. Wt.	164.12
Stock Status:	Custom Synthesis

N-Nitroso Tofacitinib Impurity Q

CAT. No.	CP-T23100
CAS. No.	NA
Mol. F.	C6H3ClN4O
Mol. Wt.	182.57
Stock Status:	Custom Synthesis

Tofacitinib Butyl Ester

CAT. No.	CP-T23101
CAS. No.	2716897-36-6
Mol. F.	C23H31N7O3
Mol. Wt.	453.5
Stock Status:	Custom Synthesis

Tofacitinib Mixture of Diastereomers

CAT. No.	CP-T23102
CAS. No.	344418-92-4
Mol. F.	C16H20N6O
Mol. Wt.	312.38
Stock Status:	Custom Synthesis

Tofacitinib Impurity 61

CAT. No.	CP-T23103
CAS. No.	1616761-01-3
Mol. F.	C17H23N5O3
Mol. Wt.	345.4
Stock Status:	Custom Synthesis

Tofacitinib Impurity 64

CAT. No.	CP-T23104
CAS. No.	NA
Mol. F.	C21H27N7O3
Mol. Wt.	425.5
Stock Status:	Custom Synthesis

Tofacitinib Impurity 65

CAT. No.	CP-T23105
CAS. No.	NA
Mol. F.	C32H40N12O2
Mol. Wt.	624.8
Stock Status:	Custom Synthesis

a b c d e f g h i j k l m n o p q r s t u v w x y z

Tofacitinib

Pharmaceutical Reference Standards

Tofacitinib

Tofacitinib Impurity R

Tofacitinib Impurity M

Tofacitinib Impurity Q

Tofacitinib Impurity L

Tofacitinib Impurity 30

Tofacitinib Impurity 37

Tofacitinib Impurity C Citrate

Tofacitinib Dihydro Impurity

N-Nitroso Tofacitinib Impurity 7

N-Nitroso Tofacitinib Impurity 6

N-Nitroso Tofacitinib

Tofacitinib Citrate

N-Nitroso Tofacitinib Impurity 5

N-Nitroso Tofacitinib Impurity 3

N-Nitroso Tofacitinib Impurity 4

N-Nitroso Tofacitinib Impurity 2

Tofacitinib N-formyl Impurity

Tofacitinib related compound 1

Tofacitinib Related Compound 3

Tofacitinib related compound 4

Tofacitinib N-Oxopropanenitrile

Tofacitinib Related Compound 8

Tofacitinib Related Compound 9

Tofacitinib Related Compound 10

Tofacitinib Related Compound 11

Tofacitinib Related Compound 12

Tofacitinib Related Compound 13

Tofacitinib Related Compound 15

Tofacitinib Related Compound 16

Tofacitinib Related Compound 17

Tofacitinib Related Compound 18

Tofacitinib Related Compound 20

Tofacitinib Related Compound 24

Tofacitinib Related Compound 25

Tofacitinib Related Compound 27

Tofacitinib Related Compound 28 (rac-trans-Tofacitinib)

Tofacitinib Related Impurity (PF-05579970)

Tofacitinib Mixture of Diastereomers (Citric acid)

Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3S,4R))

Tofacitinib Impurity (N-Des-(2-Cyanide-acetyl)-(3R,4S))

Tofacitinib N-hydroxy impurity

1-Benzyl-4-methylpiperidin-3-one

Tofacitinib Related Compound 29

Tofacitinib Related Substance 1

Tofacitinib Related Substance 2

Tofacitinib Related Substance 4

Tofacitinib Related Substance 5

Tofacitinib Related Substance 6

Tofacitinib Related Substance 8

(3S,4S)-Tofacitinib

Tofacitinib Impurity A

Tofacitinib Impurity B

Tofacitinib Impurity I

Tofacitinib Acid Impurity

Tofacitinib Impurity N

Tofacitinib Benzyl Impurity

Tofacitinib Impurity P

Tofacitinib Impurity S

Tofacitinib Impurity T

Tofacitinib Impurity U

Tofacitinib Impurity V

Tofacitinib Impurity W

Tofacitinib Impurity X

Tofacitinib Impurity Y

Tofacitinib Impurity Z

Tofacitinib Related Compound 2

Tofacitinib N-Oxide Impurity 1

Tofacitinib Related Compound 21

Tofacitinib Related Compound 23

Tofacitinib keto impurity

Tofacitinib Impurity 2

Tofacitinib Impurity 3

Tofacitinib Impurity 4

Tofacitinib Impurity 5

Tofacitinib Impurity 8

Tofacitinib Impurity 9