Impurities

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

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Amiloride Standard

CAS Number

2609-46-3

Alternate CAS Number

17440-83-4(Dihydrate HCl - Salt);2016-88-8(HCl salt)

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Fludarabine Standard

CAS Number

21679-14-1

Alternate CAS Number

75607-67-9(Phosphate salt)

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Econazole Standard

CAS Number

27220-47-9

Alternate CAS Number

24169-02-6(Nitrate Salt)

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Enalaprilat Standard

CAS Number

76420-72-9

Alternate CAS Number

84680-54-6(Enalapril Maleate - Impurity C (Dihydrate Salt));84680-54-6(Enalaprilat Dihydrate - API (Dihydrate Salt))

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Enoxolone Standard

CAS Number

471-53-4

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Captopril Standard

CAS Number

51781-06-7

Alternate CAS Number

51781-21-6(HCl Salt)

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Midazolam Standard

CAS Number

59467-70-8

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Mianserin Standard

CAS Number

24219-97-4

Alternate CAS Number

21535-47-7(HCl Salt)

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Mebeverine Standard

CAS Number

3625-06-7

Alternate CAS Number

2753-45-9(HCl Salt)

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Medroxyprogesterone Standard

CAS Number

520-85-4

Medroxyprogesterone

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Mefloquine Standard

CAS Number

53230-10-7

Alternate CAS Number

51773-92-3(HCl Salt)

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Daunorubicin Standard

CAS Number

20830-81-3

Alternate CAS Number

23541-50-6(HCl Salt);23541-50-6(Epirubicin Hydrochloride - Impurity D)

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Orciprenaline Standard

CAS Number

586-06-1

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Orphenadrine Hydrochloride

CAS Number

341-69-5

Alternate CAS Number

341-69-5 (Citrate) , 83-98-7 (Free Base)

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Demeclocycline Standard

CAS Number

127-33-3

Alternate CAS Number

64-73-3(HCl Salt)

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Desloratadine Standard

CAS Number

100643-71-8

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Doxycycline Standard

CAS Number

564-25-0

Alternate CAS Number

10592-13-9(HCl salt);17086-28-1(Doxycycline Monohydrate)

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Donepezil Standard

CAS Number

120014-06-4

Alternate CAS Number

120011-70-3(HCl Salt)

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Dipyridamole Standard

CAS Number

58-32-2

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Acesulfame Potassium EP Impurity - B

CAS Number

72827-08-8

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Adapalene EP Impurity A

CAS Number

932033-58-4

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Adapalene EP Impurity B

CAS Number

1346599-76-5

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Adapalene EP Impurity C

CAS Number

43109-77-9

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Adapalene EP Impurity D

CAS Number

932033-57-3

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Adapalene Impurity 1

CAS Number

132292-17-2

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Adapalene Related compound B

CAS Number

106685-41-0

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O-Desmethyl Adapalene

CAS Number

125316-60-1

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2-(Adamantan-1-yl)-4-Bromophenol

CAS Number

104224-68-2

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Methyl 6-Bromo-2-napthoate

CAS Number

33626-98-1

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6-Bromo-2-naphthoic Acid

CAS Number

5773-80-8

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Alprazolam EP Impurity A

CAS Number

27537-87-7

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Alprazolam EP Impurity B

CAS Number

38150-27-5

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Alprazolam EP Impurity C

CAS Number

36916-19-5

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Alprazolam EP Impurity D

CAS Number

NA

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Alprazolam EP Impurity E

CAS Number

719-59-5

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Alprazolam EP Impurity F

CAS Number

37945-07-6

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Alprazolam EP Impurity G

CAS Number

448950-89-8

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Ambroxol EP Impurity C

CAS Number

50910-53-7

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Ambroxol EP Impurity D

CAS Number

107814-37-9

Alternate CAS Number

1384955-66-1(HCl Salt)

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Ambroxol EP Impurity E

CAS Number

50910-55-9

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N-Nitroso Ambroxol

CAS Number

NA

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Ambroxol Cycloimine Impurity

CAS Number

2088879-81-4

Alternate CAS Number

2356152-56-0(HCl Salt)

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Ambroxol Monobromo Impurity

CAS Number

101900-43-0

Alternate CAS Number

101900-44-1(HCl salt)

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viloxazine Standard

CAS Number

46817-91-8

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Viloxazine Impurity 1

CAS Number

5296-35-5

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Viloxazine Impurity 4

CAS Number

744994-03-4

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Viloxazine Impurity 5

CAS Number

23184-52-3

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5-Oxo Viloxazine

CAS Number

56305-61-4