Impurities

Impurities are undesirable chemical components that remain in the active pharmaceutical ingredient during formulation. Impurities may reduce a product's efficacy.

slide.1

Upadacitinib Monoacetyl Impurity

CAS Number

18262-01-6

slide.1

Ursodeoxycholic Acid EP Impurity J

CAS Number

10601-78-2

Ursodeoxycholic acid

slide.1

Tetrahydrouridine

CAS Number

18771-50-1

slide.1

Codeine for system suitability CRS

CAS Number

Codeine STD- 76-57-3: IMP-A- 2859-16-7: IMP-B- 57-27-2: IMP-C- 121395-47-9: IMP-D- 2585669-81-2: IMP-E- 1777-89-5: IMP-F- 4829-46-3: IMP-G- 115-37-7

Alternate CAS Number

Codeine STD- 6059-47-8(Monohydrate salt): IMP-B- 52-26-6 (HCl salt)

slide.1

Zopiclone EP Impurity A

CAS Number

43200-96-0

slide.1

Zopiclone EP Impurity B

CAS Number

43200-81-3

slide.1

Zopiclone Impurity 2

CAS Number

43200-82-4

slide.1

N-Nitroso N-Desmethyl DEBA

CAS Number

NA

Nitrosamine Impurities

slide.1

Zofenopril Impurity 3

CAS Number

75176-34-0

slide.1

Ziprasidone Hydrochloride Standard

CAS Number

122883-93-6

Alternate CAS Number

146939-27-7 (free base)

slide.1

Ziprasidone Nitroso Related Compound A

CAS Number

NA

Nitrosamine Impurities

slide.1

Zanubrutinib Standard

CAS Number

1691249-45-2

slide.1

Zanubrutinib Amino Acid Impurity

CAS Number

NA

slide.1

Zanubrutinib De-BOC Acid Impurity

CAS Number

NA

slide.1

Zanubrutinib Diamide Impurity

CAS Number

NA

slide.1

N-Nitroso Quinapril Decarboxy Impurity

CAS Number

NA

slide.1

Captopril for system suitability CRS

CAS Number

Captopril STD- 51781-06-7: IMP-F- 63250-36-2

Alternate CAS Number

Captopril STD- 51781-21-6(HCl Salt)

Slide_1

Bosutinib N-Oxide

CAS Number

2468737-96-2

slide.1

Chloroxylenol Standard

CAS Number

88-04-0

Slide_1

2,7-bis(4-Chlorobutoxy)quinoline

CAS Number

2060027-95-2

Slide_1

7-(4-Hydroxybutoxy)quinolin-2(1H)-one

CAS Number

1886188-97-1

Slide_1

7-(4-(4-([2,4'-bibenzo[b]thiophen]-4-yl)piperazin-1-yl)butoxy)quinolin-2(1H)-one

CAS Number

NA

Slide_1

7-(4-(4-([2,4'-bibenzo[b]thiophen]-4-yl)piperazin-1-yl)butoxy)quinolin-2(1H)-one

CAS Number

2059942-13-9

Slide_1

Brexpiprazole Dequinolinonyl Impurity

CAS Number

913614-15-0

Slide_1

1,4-Bis(Benzo[b]thiophen-4-yl)-piperazine

CAS Number

2220149-89-1

Slide_1

Bromfenac Lactam

CAS Number

91713-91-6

Slide_1

Valaciclovir Impurity-A

CAS Number

73-40-5

Slide_1

Valaciclovir Impurity-S

CAS Number

502421-44-5

Slide_1

Valganciclovir Impurity-P

CAS Number

897937-73-4

Slide_1

Valganciclovir Impurity 2

CAS Number

130914-77-1

slide.1

Voriconazole EP Impurity C

CAS Number

137234-88-9

slide.1

Voriconazole EP Impurity D

CAS Number

137234-63-0

slide.1

Voriconazole EP Impurity E

CAS Number

5872-08-2

slide.1

Ent-Voriconazole

CAS Number

188416-29-7

slide.1

Voriconazole camphor sulphonic acid salt

CAS Number

188416-34-4

slide.1

Bromo Analogue Of Voriconazole -1

CAS Number

1307315-02-1

slide.1

Voriconazole Dibromo Impurity-5

CAS Number

908352-44-3

slide.1

4-Chloro-6-ethyl-5-fluoropyrimidine

CAS Number

137234-74-3

slide.1

Voriconazole (2R,3R)-Isomer

CAS Number

137234-76-5

slide.1

Voriconazole Impurity-3

CAS Number

NA

slide.1

Vonoprazan Nitroso Impurity

CAS Number

2932441-73-9

Nitrosamine Impurities

Slide_1

Valganciclovir EP Impurity P Isomer

CAS Number

NA

Slide_1

Valproic Acid Impurity - C

CAS Number

62391-99-5

Slide_1

Valproic Acid EP Impurity B

CAS Number

20225-24-5

Slide_1

Diethyl Dipropylmalonate

CAS Number

6065-63-0

Slide_1

Valsartan Impurity 13

CAS Number

6065-63-0

Slide_1

Valsartan Acid Impurity

CAS Number

164265-78-5

Slide_1

5-(4'-(Azidomethyl)-[1,1'-biphenyl]-2-yl)-1-trityl-1H-tetrazole

CAS Number

124806-66-2