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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Clonidine EP Impurity B

CAS Number
54707-71-0
Clonidine
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4-Hydroxy Clonidine

CAS Number
57101-48-1
Clonidine
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Clonidine Impurity 1

CAS Number
21709-18-2
Clonidine
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Clonidine Impurity 2

CAS Number
10113-35-6
Clonidine
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Clonidine Impurity 4

CAS Number
NA
Clonidine
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2',6'-Dichloroacetanilide

CAS Number
17700-54-8
Clonidine
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Clonidine USP Related Compound B

CAS Number
2519452-56-1
Clonidine
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Clonidine USP Related Compound C

CAS Number
27806-81-1
Clonidine
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Ethylenediamine p-Toluenesulfonate

CAS Number
14034-59-4
Clonidine
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Duloxetine EP Impurity C

CAS Number
949095-98-1
Alternate CAS Number
953028-76-7 (HCl salt) ; 949096-01-9 (HBr salt)
Duloxetine
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Duloxetine EP Impurity E

CAS Number
1033803-59-6
Duloxetine
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Duloxetine EP Impurity F

CAS Number
959392-22-4
Alternate CAS Number
2379325-42-3(oxalate Salt);2748376-86-3(HCl Salt)
Duloxetine
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Duloxetine EP Impurity G

CAS Number
321-38-0
Duloxetine
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(S)-Duloxetine Phthalamide

CAS Number
199191-67-8
Duloxetine
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Droxidopa Amine

CAS Number
55637-52-0
Droxidopa
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Droxidopa Impurity 18

CAS Number
78603-91-5
Droxidopa
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Droxidopa Impurity 22

CAS Number
56672-56-1
Droxidopa
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Droxidopa Impurity 25

CAS Number
106887-48-3
Droxidopa
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Ganciclovir EP Impurity F

CAS Number
73-40-5
Ganciclovir
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Ganciclovir EP Impurity D

CAS Number
1346598-14-8
Ganciclovir
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Ganciclovir EP Impurity C

CAS Number
108436-36-8
Ganciclovir
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Ganciclovir EP Impurity B

CAS Number
194159-18-7
Ganciclovir
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Ganciclovir EP Impurity A

CAS Number
1797982-93-4
Ganciclovir
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Nintedanib Impurity 3

CAS Number
1168150-46-6
Nintedanib
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Nintedanib Impurity 2

CAS Number
1174335-83-1
Nintedanib
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Nintedanib Impurity E

CAS Number
1610881-60-1
Nintedanib
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Etravirine EP Impurity D

CAS Number
939431-68-2
Etravirine
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Etravirine Impurity 7

CAS Number
1263409-98-8
Etravirine
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Esketamine EP Impurity C

CAS Number
90717-17-2
Esketamine
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Esketamine EP Impurity B

CAS Number
1823362-29-3
Esketamine
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Nabumetone EP Impurity A

CAS Number
343272-52-6
Nabumetone
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Nabumetone EP Impurity B

CAS Number
343272-51-5
Nabumetone
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Nabumetone EP Impurity C

CAS Number
65726-24-1
Nabumetone
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Nabumetone EP Impurity E

CAS Number
343272-53-7
Nabumetone
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Nabumetone Ethyl Ester

CAS Number
6297-10-5
Nabumetone
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Nabumetone EP Impurity F

CAS Number
29619-45-2
Nabumetone
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Clobazam Standard

CAS Number
22316-47-8
Clobazam
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Clobazam EP Impurity A

CAS Number
22316-55-8
Clobazam
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Clobazam EP Impurity B

CAS Number
22316-24-1
Clobazam
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Clobazam EP Impurity C

CAS Number
22316-16-1
Clobazam
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Clobazam EP Impurity D

CAS Number
2092997-47-0
Clobazam
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Clobazam EP Impurity E

CAS Number
75524-13-9
Clobazam
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Clobazam EP Impurity F

CAS Number
2089061-92-5
Clobazam
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Cyclosporin EP Impurity D

CAS Number
108027-45-8
Ciclosporin (Cyclosporine)
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Cyclosporin EP Impurity E

CAS Number
108027-46-9
Ciclosporin (Cyclosporine)
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Cyclosporin EP Impurity F

CAS Number
NA
Ciclosporin (Cyclosporine)
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Cyclosporin EP Impurity G

CAS Number
63775-96-2
Ciclosporin (Cyclosporine)
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Sucralose EP Impurity A

CAS Number
105066-21-5
Sucralose
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