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Pharmaceutical Impurity Reference Standards

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

Cabozantinib Impurity 21 structure

Cabozantinib Impurity 21

CAS: 849217-49-8

In Stock97%+

Cabozantinib Impurity 30 structure

Cabozantinib Impurity 30

CAS: 261783-72-6

In Stock97%+

Cabozantinib Impurity 32 structure

Cabozantinib Impurity 32

CAS: 202917-04-2

In Stock97%+

Cabozantinib Impurity N3 structure

Cabozantinib Impurity N3

CAS: 651054-52-3

In Stock97%+

Cabozantinib Impurity 38 structure

Cabozantinib Impurity 38

CAS: 352-15-8

In Stock97%+

Cabozantinib Impurity 42 structure

Cabozantinib Impurity 42

CAS: 95262-10-5

In Stock97%+

Cabozantinib Impurity G structure

Cabozantinib Impurity G

CAS: 26198-19-6

In Stock97%+

Caffeidine Nitrate Impurity structure

Caffeidine Nitrate Impurity

CAS: 209725-34-8

In Stock97%+

Caffeine Impurity 7 structure

Caffeine Impurity 7

CAS: 51168-26-4

In Stock97%+

Caffeine Impurity 8 structure

Caffeine Impurity 8

CAS: 33130-55-1

In Stock97%+

Dimenhydrinate EP Impurity C Hydrate structure

Dimenhydrinate EP Impurity C Hydrate

CAS: 5743-12-4

In Stock97%+

Calcifediol EP Impurity C structure

Calcifediol EP Impurity C

CAS: 39932-44-0

In Stock97%+

Calciferol Impurity 4 structure

Calciferol Impurity 4

CAS: 3270-02-8

In Stock97%+

Calcipotriol Impurity 51 structure

Calcipotriol Impurity 51

CAS: 910133-69-6

In Stock97%+

Calcitonin Impurity 2 structure

Calcitonin Impurity 2

CAS: 59854-14-7

In Stock97%+

Calcitonin Impurity 3 structure

Calcitonin Impurity 3

CAS: 22842-50-8

In Stock97%+

Calcitonin Impurity 6 structure

Calcitonin Impurity 6

CAS: 3680-13-5

In Stock97%+

Calcitriol Impurity 15 structure

Calcitriol Impurity 15

CAS: 214351-86-7

In Stock97%+

Calcitriol Impurity 22 structure

Calcitriol Impurity 22

CAS: 200636-54-0

In Stock97%+

Calcitriol Impurity 4 structure

Calcitriol Impurity 4

CAS: 64190-52-9

In Stock97%+

Calcium acetate Impurity 2 structure

Calcium acetate Impurity 2

CAS: 51366-35-9

In Stock97%+

Calcium Dobesilate Impurity N2 structure

Calcium Dobesilate Impurity N2

CAS: 35857-70-6

In Stock97%+

Calcium Dobesilate Impurity N5 structure

Calcium Dobesilate Impurity N5

CAS: 7134-09-0

In Stock97%+

Calcium Dobesilate Impurity N1 structure

Calcium Dobesilate Impurity N1

CAS: 6409-58-1

In Stock97%+

Calcium Dobesilate Impurity N4 Bis-diethylamine Salt structure

Calcium Dobesilate Impurity N4 Bis-diethylamine Salt

CAS: 57775-25-4

In Stock97%+

Calcium Dobesilate Impurity 9 structure

Calcium Dobesilate Impurity 9

CAS: 77609-84-8

In Stock97%+

Calcium Levofolinate Pentahydrate - Impurity G (Dihydrate Salt) structure

Calcium Levofolinate Pentahydrate - Impurity G (Dihydrate Salt)

CAS: 207226-40-2

In Stock97%+

Camptothecin Impurity 13 structure

Camptothecin Impurity 13

CAS: 91421-42-0

In Stock97%+

Canagliflozin Impurity 59 structure

Canagliflozin Impurity 59

CAS: 32469-28-6

In Stock>95%

Canagliflozin Impurity 64 structure

Canagliflozin Impurity 64

CAS: 58861-49-7

In Stock97%+

Canagliflozin Impurity 65 structure

Canagliflozin Impurity 65

CAS: 209592-45-0

In Stock97%+

Canagliflozin Impurity 9 structure

Canagliflozin Impurity 9

CAS: 84799-77-9

In Stock97%+

Candesartan Cilexetil Impurity 18 structure

Candesartan Cilexetil Impurity 18

CAS: 886999-34-4

In Stock97%+

Cangrelor Impurity N1 structure

Cangrelor Impurity N1

CAS: 847460-53-1

In Stock97%+

Capecitabine Impurity 17 structure

Capecitabine Impurity 17

CAS: 38838-05-0

In Stock97%+

Capecitabine Impurity 40 structure

Capecitabine Impurity 40

CAS: 5636-04-4

In Stock97%+

Capecitabine Impurity 46 structure

Capecitabine Impurity 46

CAS: 34980-66-0

In Stock97%+

Capsaicin Impurity 2 structure

Capsaicin Impurity 2

CAS: 61229-07-0

In Stock97%+

Capsaicin Impurity 3 structure

Capsaicin Impurity 3

CAS: 61229-06-9

In Stock97%+

Capsaicin Impurity 7 structure

Capsaicin Impurity 7

CAS: 71240-51-2

In Stock97%+

Captopril Impurity N1 structure

Captopril Impurity N1

CAS: 80141-53-3

In Stock97%+

Captopril Impurity 6 structure

Captopril Impurity 6

CAS: 26315-61-7

In Stock97%+

Captopril Impurity J Hydrate Salt structure

Captopril Impurity J Hydrate Salt

CAS: 801293-45-8

In Stock97%+

Carbadox Impurity 5 structure

Carbadox Impurity 5

CAS: 6795-27-3

In Stock97%+

Carbamazepine Impurity 10 (2-Methyl Carbamazepine) structure

Carbamazepine Impurity 10 (2-Methyl Carbamazepine)

CAS: 70401-32-0

In Stock97%+

Carbamazepine Impurity 9 structure

Carbamazepine Impurity 9

CAS: 70401-31-9

In Stock97%+

Cenobamate impurity 01 structure

Cenobamate impurity 01

CAS: 913089-08-4

In Stock97%+

Carbaryl Impurity 10 structure

Carbaryl Impurity 10

CAS: 32263-74-4

In Stock97%+

Carbaryl Impurity 11 structure

Carbaryl Impurity 11

CAS: 32263-67-5

In Stock97%+

Carbaryl Impurity 5 structure

Carbaryl Impurity 5

CAS: 2619-00-3

In Stock97%+

Carbaryl Impurity 7 structure

Carbaryl Impurity 7

CAS: 4089-04-7

In Stock97%+

Carbaryl Impurity 8 structure

Carbaryl Impurity 8

CAS: 5266-96-6

In Stock97%+

Carbaryl Impurity 9 structure

Carbaryl Impurity 9

CAS: 24305-26-8

In Stock97%+

Carbenicillin Impurity 1 (Carbenicillin Phenyl Ester) structure

Carbenicillin Impurity 1 (Carbenicillin Phenyl Ester)

CAS: 27025-49-6

In Stock97%+

rac-Carbidopa EP Impurity F HCl structure

rac-Carbidopa EP Impurity F HCl

CAS: 96115-88-7

In Stock97%+

Carbidopa Impurity 15 structure

Carbidopa Impurity 15

CAS: 579-27-1

In Stock97%+

Carbidopa Impurity 28 structure

Carbidopa Impurity 28

CAS: 319914-20-0

In Stock97%+

Carbidopa Impurity 4 structure

Carbidopa Impurity 4

CAS: 306748-61-8

In Stock97%+

Carbidopa Impurity 5 structure

Carbidopa Impurity 5

CAS: 54737-52-9

In Stock97%+

Carbidopa Impurity 6 structure

Carbidopa Impurity 6

CAS: 210576-58-2

In Stock97%+

Carbocisteine Impurity N1 structure

Carbocisteine Impurity N1

CAS: 31898-75-6

In Stock97%+

Carbocisteine Impurity 20 structure

Carbocisteine Impurity 20

CAS: 4271-36-7

In Stock97%+

Carboxyamidotriazole Impurity 4 structure

Carboxyamidotriazole Impurity 4

CAS: 4342-08-9

In Stock97%+

Carfilzomib Impurity 1 structure

Carfilzomib Impurity 1

CAS: 875309-92-5

In Stock97%+

Carfilzomib Impurity 26 structure

Carfilzomib Impurity 26

CAS: 38155-18-9

In Stock97%+

Carfilzomib Impurity 39 structure

Carfilzomib Impurity 39

CAS: 875309-82-3

In Stock97%+

Carfilzomib Impurity 47 structure

Carfilzomib Impurity 47

CAS: 72080-89-8

In Stock97%+

Carfilzomib Impurity 67 structure

Carfilzomib Impurity 67

CAS: 70637-27-3

In Stock97%+

Carfilzomib Impurity 71 structure

Carfilzomib Impurity 71

CAS: 868539-98-4

In Stock97%+

Carisoprodol EP Impurity C structure

Carisoprodol EP Impurity C

CAS: 78-26-2

In Stock97%+

Carisoprodol Impurity 1 structure

Carisoprodol Impurity 1

CAS: 20667-05-4

In Stock97%+

Carisoprodol Impurity 4 structure

Carisoprodol Impurity 4

CAS: 25384-75-2

In Stock97%+

Carisoprodol Impurity 6 structure

Carisoprodol Impurity 6

CAS: 7148-50-7

In Stock97%+

Carisoprodol Impurity A structure

Carisoprodol Impurity A

CAS: 25462-17-3

In Stock97%+

Carmustine EP Impurity B structure

Carmustine EP Impurity B

CAS: 689-98-5

In Stock97%+

Carnitine Chloride Impurity 11 structure

Carnitine Chloride Impurity 11

CAS: 94291-69-7

In Stock97%+

Carprofen EP Impurity A structure

Carprofen EP Impurity A

CAS: 252288-17-8

In Stock97%+

Carprofen EP Impurity B structure

Carprofen EP Impurity B

CAS: 52263-68-0

In Stock97%+

Carprofen EP Impurity D structure

Carprofen EP Impurity D

CAS: 92841-22-0

In Stock97%+

Carprofen EP Impurity F structure

Carprofen EP Impurity F

CAS: 71208-55-4

In Stock97%+

Carprofen EP Impurity G structure

Carprofen EP Impurity G

CAS: 52262-89-2

In Stock97%+

Carprofen EP Impurity H structure

Carprofen EP Impurity H

CAS: 92841-23-1

In Stock97%+

Carvedilol Impurity 21 structure

Carvedilol Impurity 21

CAS: 553-45-7

In Stock97%+

Carvedilol Impurity 22 structure

Carvedilol Impurity 22

CAS: 3258-70-6

In Stock97%+

Carvedilol Impurity 23 structure

Carvedilol Impurity 23

CAS: 206647-27-0

In Stock97%+

Carvedilol Impurity 4 structure

Carvedilol Impurity 4

CAS: 26646-63-9

In Stock97%+

Carvedilol Impurity 4 structure

Carvedilol Impurity 4

CAS: 72955-96-5

In Stock97%+

Carvedilol Ketone Impurity structure

Carvedilol Ketone Impurity

CAS: 933442-50-3

In Stock97%+

Carvedilol O-Desmethyl Impurity structure

Carvedilol O-Desmethyl Impurity

CAS: 72956-44-6

In Stock97%+

Cediranib 4-Chloro Impurity structure

Cediranib 4-Chloro Impurity

CAS: 199327-69-0

In Stock97%+

Cefaclor Impurity C37 structure

Cefaclor Impurity C37

CAS: 53994-83-5

In Stock97%+

Cefalexin EP Impurity B Sodium Salt structure

Cefalexin EP Impurity B Sodium Salt

CAS: 56871-82-0

In Stock97%+

Cefalotin EP Impurity B (Na) structure

Cefalotin EP Impurity B (Na)

CAS: 5547-29-5

In Stock97%+

Cefamandole EP Impurity E structure

Cefamandole EP Impurity E

CAS: 36922-16-4

In Stock97%+

Cefamandole Impurity 10 structure

Cefamandole Impurity 10

CAS: 29169-64-0

In Stock97%+

Cefamandole Impurity 20 structure

Cefamandole Impurity 20

CAS: 49753-68-6

In Stock97%+

Cefamandole Impurity 24 structure

Cefamandole Impurity 24

CAS: 51818-85-0

In Stock97%+

Cefamandole Impurity 5 structure

Cefamandole Impurity 5

CAS: 53432-40-9

In Stock97%+

Cefamandole Impurity 9 structure

Cefamandole Impurity 9

CAS: 29169-63-9

In Stock97%+

Cefazedone Impurity 12 structure

Cefazedone Impurity 12

CAS: 788106-07-0

In Stock97%+

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