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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Bendamustine Dihydroxy Impurity

CAS Number
109882-30-6
Alternate CAS Number
109882-29-3(HCl Salt)
Bendamustine
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Simvastatin EP Impurity A

CAS Number
121009-77-6
Simvastatin
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Simvastatin EP Impurity B

CAS Number
145576-25-6
Simvastatin
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Simvastatin EP Impurity C

CAS Number
210980-68-0
Simvastatin
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Simvastatin EP Impurity D

CAS Number
476305-24-5
Simvastatin
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Simvastatin EP Impurity-F

CAS Number
79952-44-6
Simvastatin
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Bendamustine Monohydroxy Acid Hydrochloride

CAS Number
109882-26-0
Alternate CAS Number
109882-27-1(Freebase)
Bendamustine
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Simvastatin EP Impurity G

CAS Number
1449248-72-9
Simvastatin
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Simvastatin Methyl Ester

CAS Number
145576-26-7
Simvastatin
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Sacubitril Standard

Sacubitril Standard

CAS Number
149709-62-6
Sacubitril
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Sacubitril Impurity - 3

Sacubitril Impurity - 3

CAS Number
1038924-70-7
Sacubitril
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Sacubitril Diacid Impurity

CAS Number
149709-44-4
Sacubitril
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N-Desethyl Sunitinib

N-Desethyl Sunitinib

CAS Number
356068-97-8
Sunitinib
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Sunitinib Impurity 1

CAS Number
1467015-10-6
Sunitinib
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Sunitinib Impurity 2

CAS Number
NA
Sunitinib
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Ondansetron Related Compound C

CAS Number
27387-31-1
Ondansetron
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Fusidic Acid Impurity Mixture CRS

CAS Number
IMP-I- 5951-83-7: IMP-K- 4701-54-6 :IMP-L- 74048-41-2 :IMP-M- 1013937-16-0
Fusidic Acid
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Safinamide Standard

CAS Number
133865-89-1
Safinamide
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Safinamide Impurity-1

CAS Number
1000370-27-3
Alternate CAS Number
1000370-30-8(HCl Salt)
Safinamide
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Solifenacin Standard

Solifenacin Standard

CAS Number
242478-37-1
Alternate CAS Number
242478-38-2(Succinate Salt)
Solifenacin
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Solifenacin EP Impurity B

CAS Number
1353274-25-5
Solifenacin
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Solifenacin EP Impurity C

CAS Number
1534326-81-2
Solifenacin
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Solifenacin EP Impurity D

CAS Number
2216750-52-4
Solifenacin
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Solifenacin N-Oxide

CAS Number
180272-28-0
Solifenacin
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Solifenacin Methyl Ester Impurity

CAS Number
1251905-45-9
Solifenacin
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Solriamfetol Standard

CAS Number
178429-62-4
Alternate CAS Number
178429-65-7(HCl Salt)
Solriamfetol
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Solriamfetol Hydrochloride Standard

CAS Number
178429-65-7
Alternate CAS Number
178429-62-4 (free base)
Solriamfetol
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Bromozepam impurity C

CAS Number
868350-97-4
Bromazepam
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Chlorthalidone Methoxy Impurity

CAS Number
96512-76-4
Chlortalidone
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Chlorthalidone Amine Impurity

CAS Number
NA
Chlortalidone
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N-Nitroso Terbinafine Impurity A

CAS Number
296760-88-8
Nitrosamine Impurities
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N-Nitroso Sitagliptin

CAS Number
2892260-32-9
Nitrosamine Impurities
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N-Nitroso Desmethyl Chlorpheniramine Impurity

CAS Number
3036581-84-4
Nitrosamine Impurities
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(R)-4-Amino-6-(1-(2-cyano-1-cyclopentylethyl)-1H-pyrazol-4-yl)pyrimidine-5-carboxylic acid

CAS Number
2606144-44-7
Ruxolitinib
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Ruxolitinib Amide impurity

CAS Number
1911644-32-0
Ruxolitinib
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Ruxolitinib SEM pyrimidine impurity

CAS Number
941685-27-4
Ruxolitinib
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Ruxolitinib Impurity B

CAS Number
1001070-45-6
Ruxolitinib
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Ruxolitinib methyl ester impurity

CAS Number
2950130-23-9
Ruxolitinib
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N-Nitroso Ruxolitinib

CAS Number
NA
Ruxolitinib
Nitrosamine Impurities
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Ritonavir EP Impurity T

CAS Number
869368-48-9
Ritonavir
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Rifapentine N-Oxide

CAS Number
NA
Rifapentine
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Rifapentine Quinone Impurity

CAS Number
NA
Rifapentine
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Clopidogrel Related Compound A

CAS Number
144457-28-3 (Base)
Alternate CAS Number
144750-42-5 (HCl)
Clopidogrel
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Caffeine Impurity - C

CAS Number
519-32-4
Caffeine
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Caffeine Impurity - F

CAS Number
611-59-6
Caffeine
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Caffeine Impurity - E

CAS Number
20041-90-1
Alternate CAS Number
209725-34-8(Nitrate Salt);107605-95-8(HCl Salt)
Caffeine
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Clopidogrel Related Compound-B

CAS Number
144750-52-7
Alternate CAS Number
144457-43-2(Freebase);1416438-02-2(Hydrobromide Salt);2137493-39-9(Hydrogen Sulfate Salt)
Clopidogrel
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Clopidogrel Acid N-Oxide

Clopidogrel Acid N-Oxide

CAS Number
1319197-73-3
Clopidogrel
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