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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Allantoin

CAS Number
97-59-6
Chemical Primary Standard
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Allopurinol Related compound - B

Allopurinol Related compound B

CAS Number
22407-20-1
Allopurinol
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Allopurinol Related compound - C

Allopurinol Related compound C

CAS Number
1346604-13-4
Allopurinol
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Allopurinol Related Compound - D

Allopurinol Related Compound D

CAS Number
6994-25-8
Allopurinol
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Allopurinol Related Compound - F

Allopurinol Related Compound F

CAS Number
321571-07-7
Allopurinol
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Almotriptan EP Impurity A

CAS Number
334981-12-3
Almotriptan
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Almotriptan EP Impurity B

CAS Number
1330166-13-6
Almotriptan
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Almotriptan EP Impurity C

CAS Number
1018676-02-2
Almotriptan
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Almotriptan EP Impurity D

CAS Number
181178-24-5
Almotriptan
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Almotriptan EP Impurity E

CAS Number
31055-19-3
Almotriptan
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Almotriptan EP Impurity F

CAS Number
321571-07-7
Almotriptan
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Almotriptan Nitroso Impurity 1

CAS Number
NA
Nitrosamine Impurities
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Alogliptin Alcohol Impurity

CAS Number
NA
Alogliptin
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Alogliptin Benzoate Dimer Impurity

CAS Number
2989131-28-2
Alogliptin
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Alogliptin Dimer Nitroso Impurity

CAS Number
NA
Nitrosamine Impurities
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Alogliptin Nitroso Amine Impurity

CAS Number
NA
Nitrosamine Impurities
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Alogliptin Racemate

CAS Number
865759-26-8
Alogliptin
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Alpha-Ethyl-3,4-dimethoxy-Benzeneacetonitrile

CAS Number
39066-05-2
Chemical Primary Standard
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Alprazolam EP Impurity A

CAS Number
27537-87-7
Alprazolam
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Alprazolam EP Impurity B

CAS Number
38150-27-5
Alprazolam
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Alprazolam EP Impurity C

CAS Number
36916-19-5
Alprazolam
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Alprazolam EP Impurity D

CAS Number
NA
Alprazolam
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Alprazolam EP Impurity E

CAS Number
719-59-5
Alprazolam
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Alprazolam EP Impurity F

CAS Number
37945-07-6
Alprazolam
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Alprazolam EP Impurity G

CAS Number
448950-89-8
Alprazolam
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Ambenonium Chloride Tetrahydrate standard

CAS Number
52022-31-8
Alternate CAS Number
7648-98-8(Free base);115-79-7(Chloride salt)
Ambenonium
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Ambrisentan Decarboxylate Impurity

Ambrisentan Decarboxylate Impurity

CAS Number
1639429-81-4
Ambrisentan
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Ambrisentan Impurity-D

Ambrisentan Impurity D

CAS Number
178306-52-0
Ambrisentan
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Ambroxol Cycloimine Impurity

CAS Number
2088879-81-4
Alternate CAS Number
2356152-56-0(HCl Salt)
Ambroxol
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Ambroxol EP Impurity C

CAS Number
50910-53-7
Ambroxol
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Ambroxol EP Impurity D

CAS Number
107814-37-9
Alternate CAS Number
1384955-66-1(HCl Salt)
Ambroxol
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Ambroxol EP Impurity E

CAS Number
50910-55-9
Ambroxol
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Ambroxol Hydrochloride Standard

CAS Number
23828-92-4
Alternate CAS Number
18683-91-5(Freebase)
Ambroxol
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Ambroxol Monobromo Impurity

CAS Number
101900-43-0
Alternate CAS Number
101900-44-1(HCl salt)
Ambroxol
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Amidotrizoic acid EP Impurity A

CAS Number
1713-07-1
Amidotrizoic acid
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Amidotrizoic acid EP Impurity E

CAS Number
NA
Amidotrizoic acid
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Amidotrizoic acid Standard

CAS Number
117-96-4
Alternate CAS Number
737-31-5(sodium salt);131-49-7(meglumine salt);50978-11-5(Dihydrate)
Amidotrizoic acid
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Amikacin EP Impurity A

CAS Number
50725-24-1
Amikacin
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Amikacin EP Impurity B

CAS Number
927821-99-6
Amikacin
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Amikacin EP Impurity C

CAS Number
50725-25-2
Amikacin
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Amikacin EP Impurity D

CAS Number
59-01-8
Amikacin
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Amikacin EP Impurity E

CAS Number
50866-72-3
Amikacin
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Amikacin EP Impurity F

Amikacin EP Impurity F

CAS Number
197909-67-4
Amikacin
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Amiloride EP Impurity B

CAS Number
4878-36-8
Amiloride
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Amiloride EP Impurity C

CAS Number
76599-74-1
Alternate CAS Number
1207-29-0(HCl Salt)
Amiloride
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Amiloride Impurity 1

CAS Number
14236-57-8
Amiloride
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Amiloride Standard

CAS Number
2609-46-3
Amiloride
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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)
Amiloride
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