QUALITY CONTROL CHEMICALS INC. | STANDARD REFERENCE MATERIAL

QUALITY CONTROL CHEMICALS INC.

STANDARD REFERENCE MATERIAL

Product Detail

Tofacitinib Impurity 78

3-hydroxy-3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-2-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidine-1-carbonyl)pentanedinitrile

QCC Cat No.:	QT060378
CAS No.:	NA
Mol. Formula:	C32H40N12O2
Mol. Weight:	624.74
Warning:	The form of the product salt may be different from the official website, please consult your local agent for details.

Related Products

QCC Cat No.: QT0603165

CAS No.: 873-83-6

Mol. Formula: C4H5N3O2

Mol. Weight: 127.10

Tofacitinib Impurity 164

QCC Cat No.: QT0603164

CAS No.: 2504210-49-3

Mol. Formula: C20H24ClN5

Mol. Weight: 369.90

Tofacitinib Impurity 99

QCC Cat No.: QT060399

Mol. Formula: C15H20N2O

Mol. Weight: 244.33

Tofacitinib Impurity 98

QCC Cat No.: QT060398

CAS No.: 32018-96-5

Mol. Formula: C13H17NO

Mol. Weight: 203.28

Tofacitinib Impurity 97

QCC Cat No.: QT060397

CAS No.: 1638499-35-0

Mol. Formula: C15H17ClN2O

Mol. Weight: 276.76

Tofacitinib Impurity 96

QCC Cat No.: QT060396

CAS No.: 52090-68-3

Mol. Formula: C8H10N2O

Mol. Weight: 150.18

Tofacitinib Impurity 95

QCC Cat No.: QT060395

Mol. Formula: C20H25N5

Mol. Weight: 335.45

Tofacitinib Impurity 94

QCC Cat No.: QT060394

CAS No.: 77862-24-9

Mol. Formula: C7H10N2

Mol. Weight: 122.17

Tofacitinib Impurity 93

QCC Cat No.: QT060393

CAS No.: 1616761-01-3

Mol. Formula: C17H23N5O3

Mol. Weight: 345.40

Tofacitinib Impurity 92

QCC Cat No.: QT060392

Mol. Formula: C33H34N8O4S2

Mol. Weight: 670.80

Tofacitinib Impurity 91

QCC Cat No.: QT060391

CAS No.: 16372-08-0

Mol. Formula: C6H6ClN3

Mol. Weight: 155.58

Tofacitinib Impurity 90

QCC Cat No.: QT060390

CAS No.: 1675248-18-6

Mol. Formula: C18H25N5O3

Mol. Weight: 359.42

Tofacitinib Impurity 89

QCC Cat No.: QT060389

Mol. Formula: C26H28N8

Mol. Weight: 452.55

Tofacitinib Impurity 88

QCC Cat No.: QT060388

CAS No.: 1206875-41-3(free base)

Mol. Formula: C15H23ClN2O2

Mol. Weight: 298.81

Tofacitinib Impurity 87

QCC Cat No.: QT060387

Mol. Formula: C13H18N4O2

Mol. Weight: 262.31

Tofacitinib Impurity 86

QCC Cat No.: QT060386

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity 85

QCC Cat No.: QT060385

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity 84

QCC Cat No.: QT060384

CAS No.: 3680-69-1

Mol. Formula: C6H4ClN3

Mol. Weight: 153.57

Tofacitinib Impurity 83

QCC Cat No.: QT060383

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity 82

QCC Cat No.: QT060382

Mol. Formula: C20H24ClN5

Mol. Weight: 369.89

Tofacitinib Impurity 81

QCC Cat No.: QT060381

Mol. Formula: C13H19N5O

Mol. Weight: 261.32

Tofacitinib Impurity 80

QCC Cat No.: QT060380

CAS No.: 271-70-5

Mol. Formula: C6H5N3

Mol. Weight: 119.12

Tofacitinib Impurity 79

QCC Cat No.: QT060379

Mol. Formula: C34H45N7

Mol. Weight: 551.77

Tofacitinib Impurity 77

QCC Cat No.: QT060377

CAS No.: 1640971-51-2

Mol. Formula: C16H20N6O2

Mol. Weight: 328.37

Tofacitinib Impurity 76

QCC Cat No.: QT060376

Mol. Formula: C15H21N5O

Mol. Weight: 287.36

Tofacitinib Impurity 75

QCC Cat No.: QT060375

Mol. Formula: C6H5N3O2

Mol. Weight: 151.12

Tofacitinib Impurity 74

QCC Cat No.: QT060374

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity 73

QCC Cat No.: QT060373

CAS No.: 1616760-97-4

Mol. Formula: C13H18ClN5

Mol. Weight: 279.77

Tofacitinib Impurity 72

QCC Cat No.: QT060372

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 71

QCC Cat No.: QT060371

Mol. Formula: C14H22N2O

Mol. Weight: 234.34

Tofacitinib Impurity 70

QCC Cat No.: QT060370

Mol. Formula: C14H22N2O

Mol. Weight: 234.34

Tofacitinib Impurity 69

QCC Cat No.: QT060369

Mol. Formula: C14H21N5

Mol. Weight: 259.35

Tofacitinib Impurity 68

QCC Cat No.: QT060368

CAS No.: 1616761-00-2

Mol. Formula: C16H19ClN6O

Mol. Weight: 346.81

Tofacitinib Impurity 67

QCC Cat No.: QT060367

Mol. Formula: C26H26Cl2N8

Mol. Weight: 521.44

Tofacitinib Impurity 66

QCC Cat No.: QT060366

CAS No.: 10132-07-7

Mol. Formula: C4H3Cl2N3

Mol. Weight: 163.99

Tofacitinib Impurity 65

QCC Cat No.: QT060365

Mol. Formula: C6H4ClN3O

Mol. Weight: 169.57

Tofacitinib Impurity 64

QCC Cat No.: QT060364

CAS No.: 2026634-40-0

Mol. Formula: C13H20N2

Mol. Weight: 204.31

Tofacitinib Impurity 63

QCC Cat No.: QT060363

CAS No.: 1354621-59-2

Mol. Formula: C14H22N2

Mol. Weight: 218.34

Tofacitinib Impurity 62

QCC Cat No.: QT060362

CAS No.: 1638499-31-6

Mol. Formula: C14H22N2

Mol. Weight: 218.18

Tofacitinib Related Compound 11

QCC Cat No.: QT060361

CAS No.: 1640971-60-3

Mol. Formula: C14H20N6O

Mol. Weight: 288.35

Tofacitinib Impurity M

QCC Cat No.: QT060360

CAS No.: 477600-74-1

Mol. Formula: C13H19N5

Mol. Weight: 245.33

Tofacitinib Impurity 33

QCC Cat No.: QT060359

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity 32

QCC Cat No.: QT060358

Mol. Formula: C20H24ClN5

Mol. Weight: 369.89

Tofacitinib Impurity 31

QCC Cat No.: QT060357

Mol. Formula: C20H24ClN5

Mol. Weight: 369.89

Tofacitinib Impurity 30

QCC Cat No.: QT060356

Mol. Formula: C20H24ClN5

Mol. Weight: 369.89

Tofacitinib Impurity 29

QCC Cat No.: QT060355

Mol. Formula: C19H22N8

Mol. Weight: 362.43

Tofacitinib Impurity 28

QCC Cat No.: QT060354

Mol. Formula: C23H31N7O3

Mol. Weight: 453.54

Tofacitinib Impurity 27

QCC Cat No.: QT060353

Mol. Formula: C20H29N5O3

Mol. Weight: 387.48

Tofacitinib Impurity 26

QCC Cat No.: QT060352

CAS No.: 1812890-23-5

Mol. Formula: C13H21N5

Mol. Weight: 247.34

Tofacitinib Impurity 25

QCC Cat No.: QT060351

Mol. Formula: C16H20N6O2

Mol. Weight: 328.37

Tofacitinib Impurity 24

QCC Cat No.: QT060350

Mol. Formula: C21H27N7O3

Mol. Weight: 425.48

Tofacitinib Impurity 23

QCC Cat No.: QT060349

CAS No.: 1640971-60-3

Mol. Formula: C14H20N6O

Mol. Weight: 288.35

Tofacitinib Impurity 22

QCC Cat No.: QT060348

CAS No.: 1640972-35-5

Mol. Formula: C16H22N6O

Mol. Weight: 314.39

Tofacitinib Impurity 21

QCC Cat No.: QT060347

Mol. Formula: C23H26N6O3S

Mol. Weight: 466.56

Tofacitinib Impurity Q Citrate (TFC3-Z1)

QCC Cat No.: QT060346

CAS No.: 1092578-47-6 (free base);2174011-55-1

Mol. Formula: C16H20N6O C6H8O7

Mol. Weight: 504.49

Tofacitinib Impurity 20

QCC Cat No.: QT060345

CAS No.: 1092578-48-7+1092578-46-5

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 19

QCC Cat No.: QT060344

Mol. Formula: C14H22N2O

Mol. Weight: 234.34

Tofacitinib Impurity 18

QCC Cat No.: QT060343

CAS No.: 2028267-73-2

Mol. Formula: C16H20N6O2

Mol. Weight: 328.37

Tofacitinib Impurity 17

QCC Cat No.: QT060342

Mol. Formula: C19H21N7O2

Mol. Weight: 379.42

Tofacitinib Impurity 16

QCC Cat No.: QT060341

Mol. Formula: C29H38N10O2

Mol. Weight: 558.68

Tofacitinib Impurity 14

QCC Cat No.: QT060339

Mol. Formula: C15H21N5O

Mol. Weight: 287.36

Tofacitinib Impurity 12

QCC Cat No.: QT060338

Mol. Formula: C14H19N5O

Mol. Weight: 273.33

Tofacitinib Impurity 13

QCC Cat No.: QT060337

CAS No.: 134965-85-8

Mol. Formula: C12H7ClN6

Mol. Weight: 270.68

Tofacitinib Related Impurity 10

QCC Cat No.: QT060336

CAS No.: 1821769-41-8;1638499-33-8(free base)

Mol. Formula: C14H24Cl2N2

Mol. Weight: 291.26

Tofacitinib Related Impurity 9

QCC Cat No.: QT060335

CAS No.: 1638499-31-6(free base)

Mol. Formula: C14H24Cl2N2

Mol. Weight: 291.26

Tofacitinib Related Impurity 8

QCC Cat No.: QT060334

CAS No.: 1354621-59-2(free base)

Mol. Formula: C14H23ClN2

Mol. Weight: 254.80

Tofacitinib Related Impurity 7

QCC Cat No.: QT060333

CAS No.: 477600-70-7(free base);1062580-52-2(dihydrochloride salt)

Mol. Formula: C14H23ClN2

Mol. Weight: 254.80

Tofacitinib Related Impurity 6

QCC Cat No.: QT060332

CAS No.: 384338-23-2

Mol. Formula: C14H22N2

Mol. Weight: 218.34

Tofacitinib Related Impurity 5

QCC Cat No.: QT060331

Mol. Formula: C15H22N2O2

Mol. Weight: 262.35

Tofacitinib Related Impurity 4

QCC Cat No.: QT060330

Mol. Formula: C8H16N2O2

Mol. Weight: 172.22

Tofacitinib Related Impurity 3

QCC Cat No.: QT060329

CAS No.: 694495-63-1

Mol. Formula: C8H10N2O2

Mol. Weight: 166.18

Tofacitinib Related Impurity 2

QCC Cat No.: QT060328

CAS No.: 3430-27-1

Mol. Formula: C6H8N2

Mol. Weight: 108.14

Tofacitinib Related Impurity 1

QCC Cat No.: QT060327

CAS No.: 1354469-76-3

Mol. Formula: C7H16N2

Mol. Weight: 128.22

Tofacitinib Impurity Z

QCC Cat No.: QT060326

Mol. Formula: C20H25N5

Mol. Weight: 335.45

Tofacitinib Impurity Y

QCC Cat No.: QT060325

Mol. Formula: C20H25N5

Mol. Weight: 335.45

Tofacitinib Impurity X

QCC Cat No.: QT060324

CAS No.: 1252883-90-1

Mol. Formula: C20H25N5

Mol. Weight: 335.45

Tofacitinib impurity W

QCC Cat No.: QT060323

Mol. Formula: C15H21N3O

Mol. Weight: 259.35

Tofacitinib impurity V

QCC Cat No.: QT060322

Mol. Formula: C15H21N3

Mol. Weight: 243.35

Tofacitinib impurity U

QCC Cat No.: QT060321

Mol. Formula: C15H21N3

Mol. Weight: 243.35

Tofacitinib Impurity T

QCC Cat No.: QT060320

CAS No.: 1675248-19-7

Mol. Formula: C16H22N6O2

Mol. Weight: 330.38

Tofacitinib Impurity S

QCC Cat No.: QT060319

Mol. Formula: C16H21N5O3

Mol. Weight: 331.37

Tofacitinib impurity R

QCC Cat No.: QT060318

Mol. Formula: C15H21N5O

Mol. Weight: 287.36

Tofacitinib Impurity Q

QCC Cat No.: QT060317

CAS No.: 1092578-47-6;2174011-55-1(Citrate salt)

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 163

QCC Cat No.: QT0603163

Mol. Formula: C23H31N7O3

Mol. Weight: 453.54

Tofacitinib Impurity 162

QCC Cat No.: QT0603162

Mol. Formula: C20H29N5O3

Mol. Weight: 387.48

Tofacitinib Impurity 161

QCC Cat No.: QT0603161

Mol. Formula: C6H7Cl2N3O2

Mol. Weight: 224.04

Tofacitinib Impurity 160

QCC Cat No.: QT0603160

Mol. Formula: C6H4Cl3N3

Mol. Weight: 224.48

Tofacitinib Impurity P

QCC Cat No.: QT060316

CAS No.: 1092578-48-7

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 159

QCC Cat No.: QT0603159

Mol. Formula: C20H25N7O3

Mol. Weight: 411.46

Tofacitinib Impurity 158

QCC Cat No.: QT0603158

Mol. Formula: C20H24ClN5

Mol. Weight: 369.89

Tofacitinib Impurity 157

QCC Cat No.: QT0603157

Mol. Formula: C10H17N3O3S

Mol. Weight: 259.33

Tofacitinib Impurity 156

QCC Cat No.: QT0603156

Mol. Formula: C10H17N3O3

Mol. Weight: 227.26

Tofacitinib Impurity 155

QCC Cat No.: QT0603155

Mol. Formula: C4H5N3O

Mol. Weight: 111.10

Tofacitinib Impurity 154

QCC Cat No.: QT0603154

Mol. Formula: C4H4N3NaOS

Mol. Weight: 165.15

Tofacitinib Impurity 153

QCC Cat No.: QT0603153

CAS No.: 2032-35-1

Mol. Formula: C6H13BrO2

Mol. Weight: 197.07

Tofacitinib Impurity 152

QCC Cat No.: QT0603152

Mol. Formula: C19H27N5O3

Mol. Weight: 373.45

Tofacitinib Impurity 151

QCC Cat No.: QT0603151

Mol. Formula: C27H31N5

Mol. Weight: 425.57

Tofacitinib Impurity 150

QCC Cat No.: QT0603150

Mol. Formula: C27H31N5O2S

Mol. Weight: 489.63

Tofacitinib Impurity O

QCC Cat No.: QT060315

CAS No.: 1092578-46-5

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 149

QCC Cat No.: QT0603149

Mol. Formula: C8H8N2O3

Mol. Weight: 180.16

Tofacitinib Impurity 148

QCC Cat No.: QT0603148

CAS No.: 1615709-89-1

Mol. Formula: C14H17BrN2

Mol. Weight: 293.20

Tofacitinib Impurity 147

QCC Cat No.: QT0603147

Mol. Formula: C16H20N6O2

Mol. Weight: 328.37

Tofacitinib Impurity 146

QCC Cat No.: QT0603146

Mol. Formula: C32H40N12O2

Mol. Weight: 624.74

Tofacitinib Impurity 145

QCC Cat No.: QT0603145

Mol. Formula: C16H22N6O3

Mol. Weight: 346.38

Tofacitinib Impurity 144

QCC Cat No.: QT0603144

Mol. Formula: C15H20ClN5O

Mol. Weight: 321.81

Tofacitinib Impurity 143

QCC Cat No.: QT0603143

CAS No.: 32634-66-5

Mol. Formula: C20H18O8

Mol. Weight: 386.35

Tofacitinib-d3 Citrate

QCC Cat No.: QT0603142

CAS No.: 540737-29-9 (non-labelled)

Mol. Formula: C16H17D3N6O C6H8O7

Mol. Weight: 315.39 192.12

Tofacitinib Impurity 141

QCC Cat No.: QT0603141

Mol. Formula: C10H14N2O4

Mol. Weight: 226.23

Tofacitinib Impurity 140

QCC Cat No.: QT0603140

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity 139

QCC Cat No.: QT0603139

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity 138

QCC Cat No.: QT0603138

CAS No.: 1204176-45-3

Mol. Formula: C8H16N2O2

Mol. Weight: 172.22

Tofacitinib Impurity 137

QCC Cat No.: QT0603137

Mol. Formula: C14H22N2 2HCl

Mol. Weight: 218.34 72.92

Tofacitinib Impurity 136

QCC Cat No.: QT0603136

CAS No.: 2407039-29-4

Mol. Formula: C16H20N6O2

Mol. Weight: 328.37

Tofacitinib Impurity 135

QCC Cat No.: QT0603135

CAS No.: 2227199-31-5

Mol. Formula: C20H29N5O3

Mol. Weight: 387.48

Tofacitinib Impurity 134

QCC Cat No.: QT0603134

CAS No.: 2328165-36-0

Mol. Formula: C16H21N5O3

Mol. Weight: 331.37

Tofacitinib Impurity 133

QCC Cat No.: QT0603133

CAS No.: 344418-92-4(free base)

Mol. Formula: C16H20N6O C6H8O7

Mol. Weight: 312.37 192.12

Tofacitinib Impurity 132

QCC Cat No.: QT0603132

Mol. Formula: C20H24ClN5

Mol. Weight: 369.89

Tofacitinib Impurity 131

QCC Cat No.: QT0603131

Mol. Formula: C26H35N9O2

Mol. Weight: 505.62

Tofacitinib Impurity 130

QCC Cat No.: QT0603130

CAS No.: 384338-20-9(free base)

Mol. Formula: C13H19NO C7H8O3S

Mol. Weight: 205.30 172.20

Tofacitinib Impurity 42

QCC Cat No.: QT060313

CAS No.: 1092578-46-5(free base)

Mol. Formula: C22H28N6O8

Mol. Weight: 504.49

Tofacitinib Impurity 129

QCC Cat No.: QT0603129

Mol. Formula: C14H22N2

Mol. Weight: 218.34

Tofacitinib Impurity 128

QCC Cat No.: QT0603128

Mol. Formula: C14H22N2

Mol. Weight: 218.34

Tofacitinib Impurity 127

QCC Cat No.: QT0603127

Mol. Formula: C13H19N

Mol. Weight: 189.30

Tofacitinib Impurity 126

QCC Cat No.: QT0603126

Mol. Formula: C14H22N2O

Mol. Weight: 234.34

Tofacitinib Impurity 125

QCC Cat No.: QT0603125

Mol. Formula: C14H18N2

Mol. Weight: 214.31

Tofacitinib Impurity 124

QCC Cat No.: QT0603124

Mol. Formula: C14H21ClN2

Mol. Weight: 252.78

Tofacitinib Impurity 123

QCC Cat No.: QT0603123

CAS No.: 1092578-43-2

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 122

QCC Cat No.: QT0603122

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 121

QCC Cat No.: QT0603121

CAS No.: 6066-82-6

Mol. Formula: C4H5NO3

Mol. Weight: 115.09

Tofacitinib Impurity 120

QCC Cat No.: QT0603120

Mol. Formula: C20H24ClN5

Mol. Weight: 369.89

Tofacitinib Impurity 119

QCC Cat No.: QT0603119

Mol. Formula: C19H22N8

Mol. Weight: 362.43

Tofacitinib Impurity 118

QCC Cat No.: QT0603118

Mol. Formula: C22H23N9O

Mol. Weight: 429.48

Tofacitinib Impurity 117

QCC Cat No.: QT0603117

Mol. Formula: C13H11N3O2S

Mol. Weight: 273.31

Tofacitinib Impurity 116

QCC Cat No.: QT0603116

Mol. Formula: C13H10ClN3O2S

Mol. Weight: 307.76

Tofacitinib Impurity 115

QCC Cat No.: QT0603115

Mol. Formula: C13H9Cl2N3O2S

Mol. Weight: 342.20

Tofacitinib Impurity 114

QCC Cat No.: QT0603114

Mol. Formula: C6H5N3O

Mol. Weight: 135.12

Tofacitinib Impurity 113

QCC Cat No.: QT0603113

Mol. Formula: C6H5N3OS

Mol. Weight: 167.19

Tofacitinib Impurity 112

QCC Cat No.: QT0603112

Mol. Formula: C21H28N2

Mol. Weight: 308.46

Tofacitinib Impurity 111

QCC Cat No.: QT0603111

Mol. Formula: C14H17ClN2

Mol. Weight: 248.75

Tofacitinib Impurity 110

QCC Cat No.: QT0603110

Mol. Formula: C14H22N2

Mol. Weight: 218.34

Tofacitinib Impurity K

QCC Cat No.: QT060311

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity 109

QCC Cat No.: QT0603109

Mol. Formula: C8H10N4

Mol. Weight: 162.19

Tofacitinib Impurity 108

QCC Cat No.: QT0603108

Mol. Formula: C8H9ClN4

Mol. Weight: 196.64

Tofacitinib Impurity 107

QCC Cat No.: QT0603107

Mol. Formula: C21H26ClN7O3

Mol. Weight: 459.93

Tofacitinib Impurity 106

QCC Cat No.: QT0603106

Mol. Formula: C16H21ClN6O

Mol. Weight: 348.83

Tofacitinib Impurity 105

QCC Cat No.: QT0603105

Mol. Formula: C12H8N6

Mol. Weight: 236.23

Tofacitinib Impurity 104

QCC Cat No.: QT0603104

Mol. Formula: C12H5Cl3N6

Mol. Weight: 339.57

Tofacitinib Impurity 103

QCC Cat No.: QT0603103

Mol. Formula: C23H31N7O3

Mol. Weight: 453.54

Tofacitinib Impurity 102

QCC Cat No.: QT0603102

Mol. Formula: C21H27N7O3

Mol. Weight: 425.48

Tofacitinib Impurity 101

QCC Cat No.: QT0603101

Mol. Formula: C21H27N7O3

Mol. Weight: 425.48

Tofacitinib Impurity 100

QCC Cat No.: QT0603100

Mol. Formula: C21H27N7O3

Mol. Weight: 425.48

QCC Cat No.: QT060310

CAS No.: 477600-75-2

Mol. Formula: C16H20N6O

Mol. Weight: 312.37

Tofacitinib Impurity I

QCC Cat No.: QT060309

Mol. Formula: C13H19N5

Mol. Weight: 245.32

Tofacitinib Impurity F

QCC Cat No.: QT060306

CAS No.: 1702274-61-0(XHCl salt);477600-73-0

Mol. Formula: C20H25N5

Mol. Weight: 335.45

Tofacitinib Impurity E

QCC Cat No.: QT060305

Mol. Formula: C27H31N5O2S

Mol. Weight: 489.63

Tofacitinib Impurity D

QCC Cat No.: QT060304

CAS No.: 479633-63-1

Mol. Formula: C13H10ClN3O2S

Mol. Weight: 307.76

Tofacitinib Impurity C

QCC Cat No.: QT060303

Mol. Formula: C27H31N5O2S

Mol. Weight: 489.63

Tofacitinib Impurity B

QCC Cat No.: QT060302

Mol. Formula: C27H31N5O2S

Mol. Weight: 489.63

Tofacitinib Impurity A

QCC Cat No.: QT060301

Mol. Formula: C27H31N5O2S

Mol. Weight: 489.63

Tofacitinib Citrate

QCC Cat No.: QT060300

CAS No.: 540737-29-9

Mol. Formula: C16H20N6O C6H8O7

Mol. Weight: 312.38 192.12