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Pharmaceutical Impurity Reference Standards

Process impurities, degradation products and genotoxic impurity reference standards with full characterization.

Carfilzomib Impurity 93 structure

Carfilzomib Impurity 93

CAS: CATO-C4X-102293

In Stock97%+

Carfilzomib Impurity 94 structure

Carfilzomib Impurity 94

CAS: CATO-C4X-102294

In Stock97%+

Carfilzomib Impurity 95 structure

Carfilzomib Impurity 95

CAS: CATO-C4X-102295

In Stock97%+

Carfilzomib Impurity 96 structure

Carfilzomib Impurity 96

CAS: CATO-C4X-102296

In Stock>95%

Carfilzomib Impurity 97 structure

Carfilzomib Impurity 97

CAS: CATO-C4X-102297

In Stock≥95%

Carfilzomib Impurity 98 structure

Carfilzomib Impurity 98

CAS: CATO-C4X-102298

In Stock≥95%

Carfilzomib Impurity 99 structure

Carfilzomib Impurity 99

CAS: 1541172-75-1(free base)

In Stock 90.2%

Capecitabine EP Impurity A structure

Capecitabine EP Impurity A

CAS: 66335-38-4

In Stock97%+

Capecitabine Impurity 10 structure

Capecitabine Impurity 10

CAS: 2230479-30-6

In Stock97%+

Capecitabine Impurity 12 structure

Capecitabine Impurity 12

CAS: 62211-93-2

In Stock>95%

Capecitabine Impurity 13 structure

Capecitabine Impurity 13

CAS: CATO-C4X-102413

In Stock97%+

Capecitabine Impurity 14 structure

Capecitabine Impurity 14

CAS: 76497-54-6

In Stock97%+

Capecitabine Impurity 16 structure

Capecitabine Impurity 16

CAS: CATO-C4X-102416

In Stock97%+

Capecitabine Impurity 17 structure

Capecitabine Impurity 17

CAS: 1262133-68-5

In Stock>95%

Capecitabine Impurity 18 structure

Capecitabine Impurity 18

CAS: 71609-08-0

In Stock97%+

Capecitabine Impurity 19 structure

Capecitabine Impurity 19

CAS: CATO-C4X-102419

In Stock97%+

Capecitabine EP Impurity B structure

Capecitabine EP Impurity B

CAS: 3094-09-5

In Stock97%+

Capecitabine Impurity 20 structure

Capecitabine Impurity 20

CAS: 2265218-64-0

In Stock97%+

Capecitabine Impurity 21 structure

Capecitabine Impurity 21

CAS: CATO-C4X-102421

In Stock97%+

Capecitabine Impurity 22 structure

Capecitabine Impurity 22

CAS: CATO-C4X-102422

In Stock97%+

Capecitabine Impurity 23 structure

Capecitabine Impurity 23

CAS: CATO-C4X-102423

In Stock97%+

Capecitabine Impurity 24 structure

Capecitabine Impurity 24

CAS: CATO-C4X-102424

In Stock>95%

Capecitabine Impurity 25 structure

Capecitabine Impurity 25

CAS: 1262133-70-9

In Stock97%+

Capecitabine Impurity 26 structure

Capecitabine Impurity 26

CAS: 1262133-69-6

In Stock97%+

Capecitabine Impurity 28 structure

Capecitabine Impurity 28

CAS: 862508-03-0

In Stock97%+

Capecitabine Impurity 29 structure

Capecitabine Impurity 29

CAS: 5006-64-4

In Stock97%+

Capecitabine EP Impurity F structure

Capecitabine EP Impurity F

CAS: 921769-65-5

In Stock97%+

Capecitabine Impurity 31 structure

Capecitabine Impurity 31

CAS: 72402-14-3

In Stock97%+

Capecitabine Impurity 32 structure

Capecitabine Impurity 32

CAS: CATO-C4X-102432

In Stock97%+

Capecitabine Impurity 33 structure

Capecitabine Impurity 33

CAS: 78341-97-6

In Stock>95%

Capecitabine Impurity 35 structure

Capecitabine Impurity 35

CAS: 1801-06-5

In Stock97%+

Capecitabine Impurity 36 structure

Capecitabine Impurity 36

CAS: 1993-63-1

In Stock97%+

Capecitabine Impurity 37 structure

Capecitabine Impurity 37

CAS: CATO-C4X-102437

In Stock97%+

Capecitabine Impurity 38 structure

Capecitabine Impurity 38

CAS: CATO-C4X-102438

In Stock97%+

Capecitabine Impurity 39 structure

Capecitabine Impurity 39

CAS: CATO-C4X-102439

In Stock97%+

Capecitabine EP Impurity C structure

Capecitabine EP Impurity C

CAS: 161599-46-8

In Stock97%+

Capecitabine Impurity 40 structure

Capecitabine Impurity 40

CAS: CATO-C4X-102440

In Stock97%+

Capecitabine Impurity 41 structure

Capecitabine Impurity 41

CAS: CATO-C4X-102441

In Stock>95%

Capecitabine Impurity 42 structure

Capecitabine Impurity 42

CAS: CATO-C4X-102442

In Stock>95%

Capecitabine Impurity 43 structure

Capecitabine Impurity 43

CAS: CATO-C4X-102443

In Stock>95%

Capecitabine Impurity 44 structure

Capecitabine Impurity 44

CAS: CATO-C4X-102444

In Stock>95%

Capecitabine Impurity 45 structure

Capecitabine Impurity 45

CAS: 162204-22-0

In Stock>95%

Capecitabine Impurity 46 structure

Capecitabine Impurity 46

CAS: 1341231-51-3

In Stock>95%

Capecitabine Impurity 47 structure

Capecitabine Impurity 47

CAS: CATO-C4X-102447

In Stock>95%

Capecitabine Impurity 48 structure

Capecitabine Impurity 48

CAS: CATO-C4X-102448

In Stock>95%

Capecitabine Impurity 49 structure

Capecitabine Impurity 49

CAS: 638-41-5

In Stock>95%

Capecitabine EP Impurity G structure

Capecitabine EP Impurity G

CAS: 162204-20-8

In Stock97%+

Capecitabine Impurity 50 structure

Capecitabine Impurity 50

CAS: 13039-75-3

In Stock>95%

Capecitabine Impurity 51 (Mixture of Diastereomers) structure

Capecitabine Impurity 51 (Mixture of Diastereomers)

CAS: CATO-C4X-102451

In Stock≥95%

Capecitabine Impurity 53 structure

Capecitabine Impurity 53

CAS: CATO-C4X-102453

In Stock≥95%

Capecitabine Impurity 54 structure

Capecitabine Impurity 54

CAS: CATO-C4X-102454

In Stock≥95%

Capecitabine Impurity 55 structure

Capecitabine Impurity 55

CAS: CATO-C4X-102455

In Stock≥95%

Capecitabine Impurity 56 structure

Capecitabine Impurity 56

CAS: CATO-C4X-102456

In Stock97%+

Capecitabine EP Impurity D （Mixture of Diastereomers） structure

Capecitabine EP Impurity D （Mixture of Diastereomers）

CAS: 910129-15-6

In Stock>95%

Capecitabine EP Impurity E structure

Capecitabine EP Impurity E

CAS: 162204-30-0

In Stock97%+

Capecitabine Impurity 8 structure

Capecitabine Impurity 8

CAS: 1262133-66-3

In Stock97%+

Capecitabine Impurity 9 structure

Capecitabine Impurity 9

CAS: 1262133-64-1

In Stock97%+

Crizotinib impurity 11 structure

Crizotinib impurity 11

CAS: 1269429-29-9

In Stock97%+

Crizotinib impurity 12 structure

Crizotinib impurity 12

CAS: CATO-C4X-102512

In Stock97%+

Crizotinib impurity 13 structure

Crizotinib impurity 13

CAS: CATO-C4X-102513

In Stock97%+

Crizotinib impurity 14 structure

Crizotinib impurity 14

CAS: CATO-C4X-102514

In Stock97%+

Crizotinib impurity 15 structure

Crizotinib impurity 15

CAS: 1175708-03-8

In Stock97%+

Crizotinib impurity 16 structure

Crizotinib impurity 16

CAS: 877397-65-4

In Stock97%+

Crizotinib impurity 17 structure

Crizotinib impurity 17

CAS: 2322541-37-5

In Stock97%+

Crizotinib impurity 18 structure

Crizotinib impurity 18

CAS: 2322921-92-4

In Stock97%+

Crizotinib impurity 19 structure

Crizotinib impurity 19

CAS: CATO-C4X-102519

In Stock97%+

Crizotinib Impurity 2 structure

Crizotinib Impurity 2

CAS: 877399-74-1

In Stock97%+

Crizotinib impurity 20 structure

Crizotinib impurity 20

CAS: CATO-C4X-102520

In Stock97%+

Crizotinib impurity 21 structure

Crizotinib impurity 21

CAS: CATO-C4X-102521

In Stock97%+

Crizotinib impurity 22 structure

Crizotinib impurity 22

CAS: 3469-69-0

In Stock97%+

Crizotinib impurity 23 structure

Crizotinib impurity 23

CAS: 877399-73-0

In Stock97%+

Crizotinib impurity 24 structure

Crizotinib impurity 24

CAS: 141699-59-4

In Stock97%+

Crizotinib impurity 25 structure

Crizotinib impurity 25

CAS: CATO-C4X-102525

In Stock90+

Crizotinib impurity 26 structure

Crizotinib impurity 26

CAS: CATO-C4X-102526

In Stock≥95%

Crizotinib impurity 27 structure

Crizotinib impurity 27

CAS: CATO-C4X-102527

In Stock≥95%

Crizotinib impurity 28 structure

Crizotinib impurity 28

CAS: CATO-C4X-102528

In Stock≥95%

Crizotinib impurity 29 structure

Crizotinib impurity 29

CAS: CATO-C4X-102529

In Stock≥95%

Crizotinib Impurity 3 structure

Crizotinib Impurity 3

CAS: 877399-00-3

In Stock>95%

Crizotinib impurity 30 structure

Crizotinib impurity 30

CAS: CATO-C4X-102530

In Stock≥95%

Crizotinib impurity 31 structure

Crizotinib impurity 31

CAS: CATO-C4X-102531

In Stock≥95%

Crizotinib impurity 32 structure

Crizotinib impurity 32

CAS: CATO-C4X-102532

In Stock97%+

Crizotinib impurity 33 structure

Crizotinib impurity 33

CAS: CATO-C4X-102533

In Stock97%+

Crizotinib impurity 34 structure

Crizotinib impurity 34

CAS: CATO-C4X-102534

In Stock97%+

Crizotinib impurity 35 structure

Crizotinib impurity 35

CAS: CATO-C4X-102535

In Stock97%+

Crizotinib impurity 36 structure

Crizotinib impurity 36

CAS: CATO-C4X-102536

In Stock97%+

Crizotinib impurity 37 structure

Crizotinib impurity 37

CAS: CATO-C4X-102537

In Stock97%+

Crizotinib impurity 38 structure

Crizotinib impurity 38

CAS: CATO-C4X-102538

In Stock97%+

Crizotinib impurity 39 structure

Crizotinib impurity 39

CAS: CATO-C4X-102539

In Stock97%+

Crizotinib Impurity 4 structure

Crizotinib Impurity 4

CAS: 877399-50-3

In Stock97%+

Crizotinib impurity 40 structure

Crizotinib impurity 40

CAS: CATO-C4X-102540

In Stock97%+

Crizotinib Impurity 41 structure

Crizotinib Impurity 41

CAS: 1801651-84-2

In Stock97%+

Crizotinib Impurity 42 DiHCl structure

Crizotinib Impurity 42 DiHCl

CAS: CATO-C4X-102542

In Stock97%+

Crizotinib Impurity 43 structure

Crizotinib Impurity 43

CAS: CATO-C4X-102543

In Stock97%+

Crizotinib Impurity 44 structure

Crizotinib Impurity 44

CAS: CATO-C4X-102544

In Stock97%+

Crizotinib Impurity 46 structure

Crizotinib Impurity 46

CAS: CATO-C4X-102546

In Stock97%+

Crizotinib Impurity 47 structure

Crizotinib Impurity 47

CAS: CATO-C4X-102547

In Stock97%+

Crizotinib Impurity 48 structure

Crizotinib Impurity 48

CAS: CATO-C4X-102548

In Stock97%+

Crizotinib Impurity 49 structure

Crizotinib Impurity 49

CAS: CATO-C4X-102549

In Stock97%+

Crizotinib Impurity 5 structure

Crizotinib Impurity 5

CAS: 330156-50-8

In Stock97%+

Crizotinib Impurity 50 structure

Crizotinib Impurity 50

CAS: CATO-C4X-102550

In Stock97%+

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