Impurities

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

2-Butyl-4-chloro-1H-imidazole-5-carbaldehyde

CAS Number

83857-96-9

Chemical Primary Standard

Thioridazine Standard

CAS Number

50-52-2

Thioridazine

Folic acid Standard

CAS Number

59-30-3

Folic Acid

Clobetasol propionate Standard

CAS Number

25122-46-7

Clobetasol propionate

Chlortetracycline Standard

CAS Number

57-62-5

Chlortetracycline

Chloroxylenol Standard

CAS Number

88-04-0

Chloroxylenol

Amiloride Standard

CAS Number

2609-46-3

Amiloride

Zanamivir Impurity-E

CAS Number

Zanamivir

Zidovudine Impurity-B

CAS Number

25526-94-7

Zidovudine

Zolmitriptan Impurity-C

CAS Number

1350928-05-0

Zolmitriptan

Vortioxetine Hemi Benzyl alcohol Hydrobromide

CAS Number

1793058-29-3

Vortioxetine

Tedizolid Dimethoxy Impurity

CAS Number

2810004-05-6

Tedizolid

Benazepril Standard

CAS Number

86541-75-5

Benazepril

Terazosin Standard

CAS Number

63590-64-7

Alternate CAS Number

70024-40-7(HCl Dihydrate salt); 63074-08-8(HCl salt)

Terazosin

Benserazide Standard

CAS Number

322-35-0

Benserazide

Terazosin Hydrochloride Standard

CAS Number

63074-08-8

Alternate CAS Number

70024-40-7(HCl Dihydrate salt);63590-64-7(Freebase)

Terazosin

Benzalkonium Chloride Standard

CAS Number

8001-54-5

Benzalkonium chloride

Terbinafine Standard

CAS Number

91161-71-6

Alternate CAS Number

78628-80-5(HCl Salt)

Terbinafine

Terbinafine Impurity-B

CAS Number

78628-81-6

Terbinafine

Clotrimazole Standard

CAS Number

23593-75-1

Clotrimazole

Ceftazidime Pentahydrate Standard

CAS Number

78439-06-2

Ceftazidime

Chlorhexidine Standard

CAS Number

55-56-1

Chlorhexidine

Chlorhexidine Dihydrochloride Standard

CAS Number

3697-42-5

Chlorhexidine

Colchicine Hydrochloride

CAS Number

34371-48-7

Colchicine

Teriparatide Standard

CAS Number

52232-67-4

Teriparatide

Testosterone Impurity-C

CAS Number

481-30-1

Testosterone

Testosterone Impurity-G

CAS Number

897-06-3

Testosterone

Testosterone Impurity-K

CAS Number

2608628-54-0

Testosterone

Desloratadine Standard

CAS Number

100643-71-8

Desloratadine

Temazepam Impurity-A

CAS Number

1022-13-5

Temazepam

Temazepam Impurity-G

CAS Number

93329-92-1

Temazepam

Temazepam Impurity-E

CAS Number

2888-64-4

Temazepam

Temazepam Impurity-B

CAS Number

604-75-1

Temazepam

Chloroquine Hydrochloride

CAS Number

6165-15-7

Chloroquine phosphate

Testosterone isocaproate Standard

CAS Number

15262-86-9

Testosterone isocaproate

Testosterone isocaproate Impurity-G

CAS Number

Testosterone isocaproate

Chloroquine Dihydrochloride

CAS Number

3545-67-3

Chloroquine phosphate

Thiamine Impurity-A

CAS Number

2380-61-2

Alternate CAS Number

15743-04-1(HCl Salt)

Thiamine

Colchicine Standard

CAS Number

64-86-8

Colchicine

Tetracaine Standard

CAS Number

136-47-0

Tetracaine

Thioridazine Standard

CAS Number

50-52-2

Thioridazine

Thioridazine Impurity-C

CAS Number

7776-05-8

Thioridazine

Thioridazine Impurity-E

CAS Number

14759-06-9

Thioridazine

Tiamulin Impurity-B

CAS Number

7708-55-6

Tiamulin

Tibolone Impurity-C

CAS Number

155239-50-2

Tibolone

Tibolone Impurity-E

CAS Number

105186-33-2

Tibolone

Ticagrelor Impurity-A

CAS Number

1251765-07-7

Ticagrelor

Ticagrelor Impurity-C

CAS Number

1616703-93-5

Ticagrelor

Impurities

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