Home / Products / Pharmaceutical Impurity Reference Standards

Product Category

Pharmaceutical Impurity Reference Standards

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

Indapamide EP Impurity C Hydrochloride structure

Indapamide EP Impurity C Hydrochloride

CAS: 102789-79-7

In Stock97%+

Rasagiline Impurity 42 structure

Rasagiline Impurity 42

CAS: 1028-21-3

In Stock97%+

Remogliflozin Impurity 1 structure

Remogliflozin Impurity 1

CAS: 1028026-83-6

In Stock97%+

Ropinirole EP Impurity A structure

Ropinirole EP Impurity A

CAS: 102842-51-3

In Stock97%+

Quetiapine Impurity N3 structure

Quetiapine Impurity N3

CAS: 102893-57-2

In Stock97%+

Levetiracetam Impurity- E (IH) structure

Levetiracetam Impurity- E (IH)

CAS: 102916-46-1

In Stock97%+

Rabeprazole Impurity 9 structure

Rabeprazole Impurity 9

CAS: 615-16-7

In Stock97%+

Prilocaine Impurity 01 structure

Prilocaine Impurity 01

CAS: 103-89-9

In Stock97%+

Decitabine Di-Toluoyl Impurity structure

Decitabine Di-Toluoyl Impurity

CAS: 10302-79-1

In Stock97%+

Tiotropium Bromide Impurity 8 Potassium Salt structure

Tiotropium Bromide Impurity 8 Potassium Salt

CAS: 10304-09-3

In Stock97%+

Clofazimine Impurity 3 structure

Clofazimine Impurity 3

CAS: 103051-26-9

In Stock97%+

Ceftibuten Impurity 1 structure

Ceftibuten Impurity 1

CAS: 103054-27-9

In Stock97%+

Lorcaserin Impurity D structure

Lorcaserin Impurity D

CAS: 1030624-36-2

In Stock97%+

Canagliflozin Impurity 53 structure

Canagliflozin Impurity 53

CAS: 1030825-21-8

In Stock97%+

Rizatriptan impurity 01 structure

Rizatriptan impurity 01

CAS: 1030849-63-8

In Stock97%+

Hydroxyzine Impurity 9 structure

Hydroxyzine Impurity 9

CAS: 1031-92-1

In Stock97%+

Testosterone Isocaproate EP Impurity E structure

Testosterone Isocaproate EP Impurity E

CAS: 10312-45-5

In Stock97%+

(S)-Isopropyl 2-(2-oxopyrrolidin-1-yl)butanoate (Levetiracetam Impurity) structure

(S)-Isopropyl 2-(2-oxopyrrolidin-1-yl)butanoate (Levetiracetam Impurity)

CAS: 1031436-47-1

In Stock97%+

Bupropion Impurity 9 structure

Bupropion Impurity 9

CAS: 103175-61-7

In Stock97%+

Isradipine Impurity 1 structure

Isradipine Impurity 1

CAS: 103232-74-2

In Stock97%+

Finasteride Impurity N50 structure

Finasteride Impurity N50

CAS: 10325-79-8

In Stock97%+

Taltirelin Impurity 1 structure

Taltirelin Impurity 1

CAS: 103300-77-2

In Stock97%+

Lisinopril Impurity N structure

Lisinopril Impurity N

CAS: 103300-91-0

In Stock97%+

Cinacalcet Impurity N97 structure

Cinacalcet Impurity N97

CAS: 103324-39-6

In Stock97%+

Duloxetine EP Impurity E HCl structure

Duloxetine EP Impurity E HCl

CAS: 1033719-36-6

In Stock97%+

Cinacalcet Impurity 50 structure

Cinacalcet Impurity 50

CAS: 1034094-54-6

In Stock97%+

Bortezomib Impurity 77 structure

Bortezomib Impurity 77

CAS: 103435-88-7

In Stock97%+

Sparfloxacin De-amino impurity structure

Sparfloxacin De-amino impurity

CAS: 103460-90-8

In Stock97%+

Rizatriptan Impurity N8 structure

Rizatriptan Impurity N8

CAS: 1034806-43-3

In Stock97%+

Rosuvastatin Impurity 19 structure

Rosuvastatin Impurity 19

CAS: 1035595-71-1

In Stock97%+

Levofloxacin Impurity N27 structure

Levofloxacin Impurity N27

CAS: 1036016-10-0

In Stock97%+

Sumatriptan Carboxylic Acid Impurity structure

Sumatriptan Carboxylic Acid Impurity

CAS: 103628-44-0

In Stock97%+

Procaine Impurity N2 structure

Procaine Impurity N2

CAS: 10367-96-1

In Stock97%+

Procaterol Impurity 19 structure

Procaterol Impurity 19

CAS: 103702-26-7

In Stock97%+

Quinapril EP Impurity I structure

Quinapril EP Impurity I

CAS: 103775-09-3

In Stock97%+

Adenosine Impurity 27 structure

Adenosine Impurity 27

CAS: 103828-77-9

In Stock97%+

Quinapril EP Impurity G structure

Quinapril EP Impurity G

CAS: 103833-16-5

In Stock97%+

Lesinurad Impurity 41 structure

Lesinurad Impurity 41

CAS: 1038366-57-2

In Stock97%+

Abemaciclib Impurity N5 structure

Abemaciclib Impurity N5

CAS: 1038408-36-4

In Stock97%+

Gemcitabine Impurity N1 structure

Gemcitabine Impurity N1

CAS: 103882-85-5

In Stock97%+

Darifenacin Pyrrolidine Impurity Racemate structure

Darifenacin Pyrrolidine Impurity Racemate

CAS: 103887-32-7

In Stock97%+

Niraparib Impurity N1 structure

Niraparib Impurity N1

CAS: 1038915-75-1

In Stock97%+

Niraparib Impurity N19 structure

Niraparib Impurity N19

CAS: 1038916-08-3

In Stock97%+

Pramoxine Impurity 2 structure

Pramoxine Impurity 2

CAS: 104-36-9

In Stock97%+

Atipamezole Impurity 2 structure

Atipamezole Impurity 2

CAS: 104054-24-2

In Stock97%+

Amino acid Impurity 18 structure

Amino acid Impurity 18

CAS: 104092-72-0

In Stock97%+

Cinacalcet Impurity 56 structure

Cinacalcet Impurity 56

CAS: 104201-66-3

In Stock97%+

Miriplatin Impurity 11 structure

Miriplatin Impurity 11

CAS: 104276-92-8

In Stock97%+

Prednicarbate EP Impurity B structure

Prednicarbate EP Impurity B

CAS: 104286-02-4

In Stock97%+

Nandrolone Decanoate EP Impurity B structure

Nandrolone Decanoate EP Impurity B

CAS: 1042947-85-2

In Stock97%+

Propiconazole Impurity 2 structure

Propiconazole Impurity 2

CAS: 104390-57-0

In Stock97%+

Plerixafor Impurity N1 structure

Plerixafor Impurity N1

CAS: 104395-69-9

In Stock97%+

Ophthazin Impurity 2 structure

Ophthazin Impurity 2

CAS: 1044569-46-1

In Stock97%+

Ezetimibe Impurity 49 structure

Ezetimibe Impurity 49

CAS: 1044664-24-5

In Stock97%+

Quifenadine Impurity N21 structure

Quifenadine Impurity N21

CAS: 10447-38-8

In Stock97%+

Granisetron Impurity C57 structure

Granisetron Impurity C57

CAS: 1044956-47-9

In Stock97%+

Abiraterone Impurity 24 structure

Abiraterone Impurity 24

CAS: 1045-71-2

In Stock97%+

Ozagrel Impurity 3 structure

Ozagrel Impurity 3

CAS: 104566-34-9

In Stock97%+

Pramipexole Impurity 8 structure

Pramipexole Impurity 8

CAS: 104618-31-7

In Stock97%+

Pramipexole Impurity 6 structure

Pramipexole Impurity 6

CAS: 104618-33-9

In Stock97%+

Trimipramine EP Impurity B structure

Trimipramine EP Impurity B

CAS: 10464-24-1

In Stock97%+

Glycopyrrolate Impurity 8 structure

Glycopyrrolate Impurity 8

CAS: 104641-59-0

In Stock97%+

Glycopyrrolate Impurity 9 structure

Glycopyrrolate Impurity 9

CAS: 104641-60-3

In Stock97%+

Brivaracetam Impurity 56 structure

Brivaracetam Impurity 56

CAS: 104652-77-9

In Stock97%+

Letrozole impurity 01 structure

Letrozole impurity 01

CAS: 10466-37-2

In Stock97%+

Mebendazole Impurity 14 structure

Mebendazole Impurity 14

CAS: 104663-13-0

In Stock97%+

Levothyroxine Impurity 14 structure

Levothyroxine Impurity 14

CAS: 10468-90-3

In Stock97%+

Dabigatran Impurity 3 Hydrobromide structure

Dabigatran Impurity 3 Hydrobromide

CAS: 1046806-03-4

In Stock97%+

Cefteram Pivoxil Impurity 6 structure

Cefteram Pivoxil Impurity 6

CAS: 104691-34-1

In Stock97%+

Pregabalin Impurity 19 structure

Pregabalin Impurity 19

CAS: 104700-36-9

In Stock97%+

Cefteram Impurity 1 structure

Cefteram Impurity 1

CAS: 104712-44-9

In Stock97%+

Tranexamic Acid Impurity 18 structure

Tranexamic Acid Impurity 18

CAS: 10473-24-2

In Stock97%+

Trimebutine Impurity N4 HCl structure

Trimebutine Impurity N4 HCl

CAS: 104743-23-9

In Stock97%+

Nitrendipine Impurity 9 structure

Nitrendipine Impurity 9

CAS: 104765-28-8

In Stock97%+

Irsogladine Impurity 1 structure

Irsogladine Impurity 1

CAS: 104766-03-2

In Stock97%+

Cinacalcet Impurity 1 structure

Cinacalcet Impurity 1

CAS: 104774-93-8

In Stock97%+

Perospirone Impurity 30 HCl structure

Perospirone Impurity 30 HCl

CAS: 10479-62-6

In Stock97%+

Orphenadrine USP Related Compound C structure

Orphenadrine USP Related Compound C

CAS: 10488-36-5

In Stock97%+

Darifenacin Impurity A structure

Darifenacin Impurity A

CAS: 1048979-16-3

In Stock97%+

Gestodene Impurity 1 structure

Gestodene Impurity 1

CAS: 104933-97-3

In Stock97%+

Terfenadine - Impurity G structure

Terfenadine - Impurity G

CAS: 104953-06-2

In Stock97%+

Ropivacaine EP Impurity E(R-Isomer) structure

Ropivacaine EP Impurity E(R-Isomer)

CAS: 1050482-18-2

In Stock97%+

Tolnaftate Impurity 1 structure

Tolnaftate Impurity 1

CAS: 10506-37-3

In Stock97%+

Darifenacin(acetic Acid) Des-(5-Ethyl-2,3-dihydrobenzofuran) (Darifenacin Impurity) structure

Darifenacin(acetic Acid) Des-(5-Ethyl-2,3-dihydrobenzofuran) (Darifenacin Impurity)

CAS: 1050646-75-7

In Stock97%+

Fleroxacin Impurity 1 structure

Fleroxacin Impurity 1

CAS: 105078-26-0

In Stock97%+

Zofenopril Impurity 2 structure

Zofenopril Impurity 2

CAS: 105107-84-4

In Stock97%+

Nicergoline Impurity 7 structure

Nicergoline Impurity 7

CAS: 105115-80-8

In Stock97%+

Haloxyfop Impurity 5 structure

Haloxyfop Impurity 5

CAS: 105118-15-8

In Stock97%+

Tamsulosin EP Impurity F HCl structure

Tamsulosin EP Impurity F HCl

CAS: 1051368-80-9

In Stock97%+

Mexiletine Impurity N4 structure

Mexiletine Impurity N4

CAS: 1051392-53-0

In Stock97%+

Imazethapyr Impurity (Diethyl 5-ethylpyridine-2,3-dicarboxylate) structure

Imazethapyr Impurity (Diethyl 5-ethylpyridine-2,3-dicarboxylate)

CAS: 105151-39-1

In Stock97%+

Potassium Otiraci Impurity 1 structure

Potassium Otiraci Impurity 1

CAS: 105245-87-2

In Stock97%+

Benazepril Impurity 2 structure

Benazepril Impurity 2

CAS: 105260-10-4

In Stock97%+

Manidipine Impurity 1 structure

Manidipine Impurity 1

CAS: 10527-64-7

In Stock97%+

Axitinib Impurity N23 structure

Axitinib Impurity N23

CAS: 1053655-59-6

In Stock97%+

Thioridazine Hydrochloride - Impurity F structure

Thioridazine Hydrochloride - Impurity F

CAS: 10538-32-6

In Stock97%+

Chlormadinone Acetate EP Impurity H structure

Chlormadinone Acetate EP Impurity H

CAS: 1054-64-4

In Stock97%+

Tofisopam Impurity D structure

Tofisopam Impurity D

CAS: 10548-83-1

In Stock97%+

Buspirone impurity 01 structure

Buspirone impurity 01

CAS: 105496-33-1

In Stock97%+

Omeprazole Impurity 23 structure

Omeprazole Impurity 23

CAS: 105602-84-4

In Stock97%+

« Prev 1 2 3 4…80 Next »