My Account +91-22-45045900 sales@clearsynth.com
Categories /  Impurity / Tofacitinib

Tofacitinib  Impurity

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

All In Stock Custom Synthesis
(3R,4S)-​Tofacitinib citirate chemical structure
Custom Synthesis

(3R,4S)-​Tofacitinib citirate

CAT No. CS-O-39729
CAS No. 2174011-53-9
Mol. Formula C16H20N6O : C6H8O7
Mol. Wt. 312.4 : 192.1
(3R,4S)-1-Benzyl-N,4-dimethylpiperidin-3-amine chemical structure
Custom Synthesis

(3R,4S)-1-Benzyl-N,4-dimethylpiperidin-3-amine

CAT No. CS-TA-27807
CAS No. 1638499-31-6
Mol. Formula C14H22N2
Mol. Wt. 218.34g/mol
(3R,4S)-Tofacitinib chemical structure
Custom Synthesis

(3R,4S)-Tofacitinib

CAT No. CS-T-62103
CAS No. 1092578-46-5
Mol. Formula C₁₆H₂₀N₆O
Mol. Wt. 312.37
(3S,4R) Tofacitinib Citrate chemical structure
Custom Synthesis

(3S,4R) Tofacitinib Citrate

CAT No. CS-O-39728
CAS No. 2174011-54-0
Mol. Formula C22H28N6O8
Mol. Wt. 504.49
(3S,4R)-Tofacitinib chemical structure
Custom Synthesis

(3S,4R)-Tofacitinib

CAT No. CS-T-62105
CAS No. 1092578-48-7
Mol. Formula C16H20N6O
Mol. Wt. 312.37
(3S,4S)-Tofacitinib chemical structure
Custom Synthesis

(3S,4S)-Tofacitinib

CAT No. CS-T-62104
CAS No. 1092578-47-6
Mol. Formula C₁₆H₂₀N₆O
Mol. Wt. 312.38
1,2,3,6,-tetrahydro-1- nitroso4-picoline chemical structure
Custom Synthesis

1,2,3,6,-tetrahydro-1- nitroso4-picoline

CAT No. CS-O-45591
CAS No. 89600-66-8
Mol. Formula C6H10N2O
Mol. Wt. 126.16
2,4-Dichloro-7H-Pyrrolo (2,3-d)Pyrimidine chemical structure
Custom Synthesis

2,4-Dichloro-7H-Pyrrolo (2,3-d)Pyrimidine

CAT No. CS-M-42734
CAS No. 90213-66-4
Mol. Formula C6H3Cl2N3
Mol. Wt. 188
3-((3R,4R)-4-methyl-3-(methyl((5R,6S)-2,5,6-trihydroxy-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)a chemical structure
Custom Synthesis

3-((3R,4R)-4-methyl-3-(methyl((5R,6S)-2,5,6-trihydroxy-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)a

CAT No. CS-O-35885
CAS No. 2102039-98-3
Mol. Formula C16H22N6O4
Mol. Wt. 362.38
3-[(3R,4R)-4-methyl-3-[methyl({7H-pyrrolo[2,3-d]pyrimidin-4-yl})amino]piperidin-1-yl]-3-oxopropaneni chemical structure
Custom Synthesis

3-[(3R,4R)-4-methyl-3-[methyl({7H-pyrrolo[2,3-d]pyrimidin-4-yl})amino]piperidin-1-yl]-3-oxopropaneni

CAT No. CS-O-36711
CAS No. -
Mol. Formula C16H20N6O3
Mol. Wt. 344.37
3H-pyrrolo[2,3-d]pyrimidin-4(5H)-one chemical structure
Custom Synthesis

3H-pyrrolo[2,3-d]pyrimidin-4(5H)-one

CAT No. CS-O-55715
CAS No. 1194710-85-4
Mol. Formula C6H5N3O
Mol. Wt. 135.12
Enantiomer of Tofacitinib citrate chemical structure
Custom Synthesis

Enantiomer of Tofacitinib citrate

CAT No. CS-O-33661
CAS No. 2174011-55-1
Mol. Formula C22H28N6O8
Mol. Wt. 504.50
N-(1-benzyl-4-methylpiperidin-3-yl)-N-methylnitrous amide chemical structure
Custom Synthesis

N-(1-benzyl-4-methylpiperidin-3-yl)-N-methylnitrous amide

CAT No. CS-O-45589
CAS No. -
Mol. Formula C14H21N3O
Mol. Wt. 247.34
N,4-dimethyl-1-nitrosopiperidin-3-amine chemical structure
Custom Synthesis

N,4-dimethyl-1-nitrosopiperidin-3-amine

CAT No. CS-O-45597
CAS No. -
Mol. Formula C7H15N3O
Mol. Wt. 157.21
N-methyl-N-((3R,4R)-4-methyl-1-nitrosopiperidin-3-yl)nitrous amide chemical structure
Custom Synthesis

N-methyl-N-((3R,4R)-4-methyl-1-nitrosopiperidin-3-yl)nitrous amide

CAT No. CS-O-54597
CAS No.
Mol. Formula C7H14N4O2
Mol. Wt. 186.21
N-methyl-N-(4-methyl-1-nitrosopiperidin-3-yl)nitrous amide chemical structure
Custom Synthesis

N-methyl-N-(4-methyl-1-nitrosopiperidin-3-yl)nitrous amide

CAT No. CS-O-45598
CAS No. -
Mol. Formula C7H14N4O2
Mol. Wt. 186.21
N-methyl-N-(4-methylpiperidin-3-yl)nitrous amide chemical structure
Custom Synthesis

N-methyl-N-(4-methylpiperidin-3-yl)nitrous amide

CAT No. CS-O-45599
CAS No. -
Mol. Formula C7H15N3O
Mol. Wt. 157.21
N-methyl-N-(4-methylpyridin-3-yl)nitrous amide chemical structure
Custom Synthesis

N-methyl-N-(4-methylpyridin-3-yl)nitrous amide

CAT No. CS-O-46286
CAS No. -
Mol. Formula C7H9N3O
Mol. Wt. 151.17
N-Nitroso 5,6-Dihydro Tofacitinib chemical structure
Custom Synthesis

N-Nitroso 5,6-Dihydro Tofacitinib

CAT No. CS-O-55091
CAS No.
Mol. Formula C16H21N7O2
Mol. Wt. 343.38
N-Nitroso Tofacitinib Amine Impurity chemical structure
Custom Synthesis

N-Nitroso Tofacitinib Amine Impurity

CAT No. CS-O-40197
CAS No. -
Mol. Formula C₁₃H₁₈N₆O
Mol. Wt. 274.32
N-Nitroso Tofacitinib Amine Impurity D3 chemical structure
Custom Synthesis

N-Nitroso Tofacitinib Amine Impurity D3

CAT No. CS-O-53626
CAS No.
Mol. Formula C13H15D3N6O
Mol. Wt. 277.34
N-Nitroso Tofacitinib Amine Impurity D4 chemical structure
Custom Synthesis

N-Nitroso Tofacitinib Amine Impurity D4

CAT No. CS-O-53679
CAS No.
Mol. Formula C13H14D4N6O
Mol. Wt. 278.35
N-Nitroso Tofacitinib Impurity 2 chemical structure
Custom Synthesis

N-Nitroso Tofacitinib Impurity 2

CAT No. CS-EO-02869
CAS No. -
Mol. Formula C16H22N6O2
Mol. Wt. 330.4
N-Nitroso Tofacitinib Impurity 6 chemical structure
Custom Synthesis

N-Nitroso Tofacitinib Impurity 6

CAT No. CS-O-49684
CAS No.
Mol. Formula C10H16N4O2
Mol. Wt. 224.26
Tofacitinib formyl impurity chemical structure
Custom Synthesis

Tofacitinib formyl impurity

CAT No. CS-EO-01760
CAS No. 2227199-28-0
Mol. Formula C14H19N5O
Mol. Wt. 273.33
Tofacitinib 5 Oxo Impurity chemical structure
Custom Synthesis

Tofacitinib 5 Oxo Impurity

CAT No. CS-EO-01501
CAS No. 2101951-20-4
Mol. Formula C₁₆H₂₀N₆O₂
Mol. Wt. 328.40
Tofacitinib Benzyl Impurity chemical structure
Custom Synthesis

Tofacitinib Benzyl Impurity

CAT No. CS-T-88424
CAS No. 477600-73-0
Mol. Formula C20H25N5
Mol. Wt. 335.5
Tofacitinib butyl ester impurity chemical structure
Custom Synthesis

Tofacitinib butyl ester impurity

CAT No. CS-O-43010
CAS No. -
Mol. Formula C23H31N7O3
Mol. Wt. 453.54
Tofacitinib Butyl Impurity chemical structure
Custom Synthesis

Tofacitinib Butyl Impurity

CAT No. CS-O-54081
CAS No. 2716897-36-6
Mol. Formula C23H31N7O3
Mol. Wt. 453.54
Tofacitinib Citrate Mixure of Diastereomers chemical structure
Custom Synthesis

Tofacitinib Citrate Mixure of Diastereomers

CAT No. CS-EO-00128
CAS No. 2664002-63-3
Mol. Formula C22H28N6O8
Mol. Wt. 504.50
Tofacitinib Diastereomer-1 and 2 chemical structure
Custom Synthesis

Tofacitinib Diastereomer-1 and 2

CAT No. CS-O-33660
CAS No. 2734856-31-4
Mol. Formula C₁₆H₂₀N₆O
Mol. Wt. 312.37
Tofacitinib Diasteromeric impurity chemical structure
Custom Synthesis

Tofacitinib Diasteromeric impurity

CAT No. CS-O-46779
CAS No. 344418-92-4
Mol. Formula C16H20N6O
Mol. Wt. 312.37
Tofacitinib Dihydro Citricacid salt impurity chemical structure
Custom Synthesis

Tofacitinib Dihydro Citricacid salt impurity

CAT No. CS-O-44098
CAS No. 1809002-40-1
Mol. Formula C22H30N6O8
Mol. Wt. 506.51
Tofacitinib Dihydro Impurity chemical structure
Custom Synthesis

Tofacitinib Dihydro Impurity

CAT No. CS-T-89311
CAS No. 1640972-35-5
Mol. Formula C₁₆H₂₂N₆O
Mol. Wt. 314.39
Tofacitinib Dimer chemical structure
Custom Synthesis

Tofacitinib Dimer

CAT No. CS-O-57969
CAS No.
Mol. Formula C33H40N12O2
Mol. Wt. 636.75
Tofacitinib Hydroxy Impurity chemical structure
Custom Synthesis

Tofacitinib Hydroxy Impurity

CAT No. CS-EO-02225
CAS No. 1092578-46-5
Mol. Formula C16H20N6O2
Mol. Wt. 328.37
Tofacitinib Impurity 13 chemical structure
Custom Synthesis

Tofacitinib Impurity 13

CAT No. CS-O-63912
CAS No. 2640342-78-3
Mol. Formula C13H23Cl2N5
Mol. Wt. 320.26
Tofacitinib Impurity 16 chemical structure
Custom Synthesis

Tofacitinib Impurity 16

CAT No. CS-O-40535
CAS No. 2102040-00-4
Mol. Formula C32H40N12O2
Mol. Wt. 624.74
Tofacitinib Impurity 19 chemical structure
Custom Synthesis

Tofacitinib Impurity 19

CAT No. CS-O-58215
CAS No. 2459302-82-8
Mol. Formula C19H23N7O2
Mol. Wt. 381.4
Tofacitinib Impurity 29 chemical structure
Custom Synthesis

Tofacitinib Impurity 29

CAT No. CS-EO-03056
CAS No. 2459302-85-1
Mol. Formula C21H27N7O3
Mol. Wt. 425.5
Tofacitinib Impurity 36 chemical structure
Custom Synthesis

Tofacitinib Impurity 36

CAT No. CS-EO-01537
CAS No. -
Mol. Formula C16H20N6O2
Mol. Wt. 328.4
Tofacitinib Impurity 46 chemical structure
Custom Synthesis

Tofacitinib Impurity 46

CAT No. CS-O-40534
CAS No. 2102039-99-4
Mol. Formula C21H27N7O3
Mol. Wt. 425.49
Tofacitinib Impurity 51 chemical structure
Custom Synthesis

Tofacitinib Impurity 51

CAT No. CS-EM-02923
CAS No. 5817-96-9
Mol. Formula C6H5N3O
Mol. Wt. 135.1
Tofacitinib Impurity 57 chemical structure
Custom Synthesis

Tofacitinib Impurity 57

CAT No. CS-EO-03055
CAS No. 2315287-12-6
Mol. Formula C32H40N12O2
Mol. Wt. 624.8
Tofacitinib Impurity 59 chemical structure
Custom Synthesis

Tofacitinib Impurity 59

CAT No. CS-O-58346
CAS No. 32018-56-7
Mol. Formula C13H17N
Mol. Wt. 187.3
Tofacitinib Impurity 59 chemical structure
Custom Synthesis

Tofacitinib Impurity 59

CAT No. CS-RS-00137
CAS No. 2101951-13-5
Mol. Formula C16H22N6O3
Mol. Wt. 346.38
Tofacitinib Impurity 6 chemical structure
Custom Synthesis

Tofacitinib Impurity 6

CAT No. CS-EO-01450
CAS No. 2504210-38-0
Mol. Formula C19H22N8
Mol. Wt. 362.43
Tofacitinib Impurity 67 chemical structure
Custom Synthesis

Tofacitinib Impurity 67

CAT No. CS-O-57488
CAS No. 2716897-35-5
Mol. Formula C20H25N7O3
Mol. Wt. 411.46
Tofacitinib impurity C chemical structure
Custom Synthesis

Tofacitinib impurity C

CAT No. CS-AQ-00034
CAS No. -
Mol. Formula
Mol. Wt.
Tofacitinib Impurity G chemical structure
Custom Synthesis

Tofacitinib Impurity G

CAT No. CS-AQ-00037
CAS No. 1354486-07-9
Mol. Formula C14H24Cl2N2
Mol. Wt. 291.26
Tofacitinib impurity I chemical structure
Custom Synthesis

Tofacitinib impurity I

CAT No. CS-AQ-00038
CAS No. -
Mol. Formula C14H22N2 : 2(HCl)
Mol. Wt. 218.3 : 2(36.5)
Tofacitinib Impurity I Dihydrochloride chemical structure
Custom Synthesis

Tofacitinib Impurity I Dihydrochloride

CAT No. CS-O-63913
CAS No. 1821769-41-8
Mol. Formula C14H24Cl2N2
Mol. Wt. 291.26
Tofacitinib impurity J chemical structure
Custom Synthesis

Tofacitinib impurity J

CAT No. CS-AQ-00039
CAS No. 1431697-80-1
Mol. Formula C14H22N2 : 2(HCl)
Mol. Wt. 218.3 : 2(36.5)
Tofacitinib impurity K chemical structure
Custom Synthesis

Tofacitinib impurity K

CAT No. CS-AQ-00040
CAS No. 2328165-36-0
Mol. Formula C16H21N5O3
Mol. Wt. 331.37
Tofacitinib Impurity L chemical structure
Custom Synthesis

Tofacitinib Impurity L

CAT No. CS-AQ-00041
CAS No. 1675248-19-7
Mol. Formula C16H22N6O2
Mol. Wt. 330.38
Tofacitinib impurity N chemical structure
Custom Synthesis

Tofacitinib impurity N

CAT No. CS-AQ-00042
CAS No. 1260614-73-0
Mol. Formula C13H19N5
Mol. Wt. 245.3
Tofacitinib impurity P chemical structure
Custom Synthesis

Tofacitinib impurity P

CAT No. CS-AQ-00044
CAS No. 1252883-90-1
Mol. Formula C20H25N5
Mol. Wt. 335.5
Tofacitinib impurity T chemical structure
Custom Synthesis

Tofacitinib impurity T

CAT No. CS-AQ-00046
CAS No. -
Mol. Formula C16H18N6O
Mol. Wt. 310.4
TOFACITINIB IMPURITY TOF-IV chemical structure
Custom Synthesis

TOFACITINIB IMPURITY TOF-IV

CAT No. CS-O-49452
CAS No. 2227197-38-6
Mol. Formula C14H21N5
Mol. Wt. 259.35
Tofacitinib impurity V chemical structure
Custom Synthesis

Tofacitinib impurity V

CAT No. CS-AQ-00048
CAS No. 1616761-00-2
Mol. Formula
Mol. Wt.
Tofacitinib impurity X chemical structure
Custom Synthesis

Tofacitinib impurity X

CAT No. CS-AQ-00050
CAS No. 2097982-05-1
Mol. Formula C13H19N5
Mol. Wt. 245.3
Tofacitinib Impurity Y (SS isomer) chemical structure
Custom Synthesis

Tofacitinib Impurity Y (SS isomer)

CAT No. CS-O-64496
CAS No. -
Mol. Formula C14H21N5
Mol. Wt. 259.35
Tofacitinib impurity Z chemical structure
Custom Synthesis

Tofacitinib impurity Z

CAT No. CS-AQ-00052
CAS No. 477600-76-3
Mol. Formula C15H21N5O
Mol. Wt. 287.4
Tofacitinib- Keto Impurity chemical structure
Custom Synthesis

Tofacitinib- Keto Impurity

CAT No. CS-DN-00028
CAS No. -
Mol. Formula
Mol. Wt.
Tofacitinib N- acid Impurity chemical structure
Custom Synthesis

Tofacitinib N- acid Impurity

CAT No. CS-DN-00027
CAS No. -
Mol. Formula
Mol. Wt.
Tofacitinib N-Descyanoacetyl Hydrochloride Impurity chemical structure
Custom Synthesis

Tofacitinib N-Descyanoacetyl Hydrochloride Impurity

CAT No. CS-O-10647
CAS No. 1260590-51-9
Mol. Formula C13H20ClN5
Mol. Wt. 281.78
Tofacitinib N-hydroxy impurity chemical structure
Custom Synthesis

Tofacitinib N-hydroxy impurity

CAT No. CS-EO-00807
CAS No. -
Mol. Formula C13H19N5O
Mol. Wt. 261.3
Tofacitinib Nitroso Impurity chemical structure
Custom Synthesis

Tofacitinib Nitroso Impurity

CAT No. CS-EO-01989
CAS No.
Mol. Formula C16H19N7O2
Mol. Wt. 341.37
Tofacitinib Nitroso Impurity 1 chemical structure
Custom Synthesis

Tofacitinib Nitroso Impurity 1

CAT No. CS-O-45592
CAS No. -
Mol. Formula C13H20N6O
Mol. Wt. 276.34
Tofacitinib Nitroso Impurity 2 chemical structure
Custom Synthesis

Tofacitinib Nitroso Impurity 2

CAT No. CS-O-45593
CAS No.
Mol. Formula C15H17N7O2
Mol. Wt. 327.3
Tofacitinib Nitroso Impurity 3 chemical structure
Custom Synthesis

Tofacitinib Nitroso Impurity 3

CAT No. CS-O-45594
CAS No.
Mol. Formula C16H19N7O2
Mol. Wt. 341.4
Tofacitinib Nitroso Impurity 4 chemical structure
Custom Synthesis

Tofacitinib Nitroso Impurity 4

CAT No. CS-O-45595
CAS No. -
Mol. Formula C17H20N6O2
Mol. Wt. 340.4
Tofacitinib Nitroso Impurity 5 chemical structure
Custom Synthesis

Tofacitinib Nitroso Impurity 5

CAT No. CS-O-45596
CAS No. -
Mol. Formula C14H22N6O
Mol. Wt. 290.36
Tofacitinib N-Nitroso benzyl intermediate chemical structure
Custom Synthesis

Tofacitinib N-Nitroso benzyl intermediate

CAT No. CS-O-47117
CAS No. -
Mol. Formula C₁₄H₂₁N₃O
Mol. Wt. 247.34
Tofacitinib Related Compound 26 HCl chemical structure
Custom Synthesis

Tofacitinib Related Compound 26 HCl

CAT No. CS-P-02224
CAS No. 1206824-85-2
Mol. Formula
Mol. Wt.
Tofacitinib Related Compound 29 chemical structure
Custom Synthesis

Tofacitinib Related Compound 29

CAT No. CS-EO-01845
CAS No. 134965-85-8
Mol. Formula C12H7ClN6
Mol. Wt. 270.7
Tofacitinib related compound 6 chemical structure
Custom Synthesis

Tofacitinib related compound 6

CAT No. CS-P-02196
CAS No. 2459302-77-1
Mol. Formula C19H21N7O2
Mol. Wt. 379.4
Tofacitinib Related Substance 1 chemical structure
Custom Synthesis

Tofacitinib Related Substance 1

CAT No. CS-RS-00136
CAS No. 2101958-24-9
Mol. Formula C16H22N6O3
Mol. Wt. 346.38

TofacitinibImpurity at Clearsynth

Clearsynth offers high quality TofacitinibImpurity compounds for analytical research, quality control and pharmaceutical development.

Browse available compounds above or contact our team for custom synthesis and bulk requirements.

Quick Enquiry
Tell us what you need
Quote Basket
Selected RFQ Items
Your RFQ basket is empty. Add a product block or copy a guided requirement here.