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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Azithromycin EP Impurity - L

CAS Number
90503-06-3
Azithromycin
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Azithromycin EP Impurity - M

CAS Number
765927-71-7
Azithromycin
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Azithromycin EP Impurity - N

CAS Number
612069-25-7
Azithromycin
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Azithromycin EP Impurity - O

CAS Number
763924-54-5
Azithromycin
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Baclofen EP Impurity A

CAS Number
22518-27-0
Baclofen
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Baclofen EP Impurity B

CAS Number
1141-23-7
Baclofen
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Barcitinib Acetonitrile Impurity

CAS Number
1187594-12-2
Baricitinib
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Baricitinib Aldehyde Impurity

CAS Number
NA
Baricitinib
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Baricitinib Diamine Hydrochloride Impurity

CAS Number
1803583-30-3
Baricitinib
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Baricitinib Ester Impurity

CAS Number
2402776-80-9
Baricitinib
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Baricitinib Impurity 25

CAS Number
1146629-75-5
Baricitinib
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Baricitinib Impurity 6

CAS Number
1627504-43-1
Baricitinib
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Baricitinib Impurity 7

CAS Number
1627504-41-9
Baricitinib
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Baricitinib Impurity IV

CAS Number
1187594-34-8
Baricitinib
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Baricitinib Impurity V

CAS Number
NA
Baricitinib
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Baricitinib Impurity-I

CAS Number
2964606-42-4
Baricitinib
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Baricitinib Sulfonyl Impurity

CAS Number
1187594-13-3
Baricitinib
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Bazedoxifene Acetate Impurity 1

CAS Number
223251-16-9
Bazedoxifene
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Bazedoxifene Dihydroxy Indole Impurity

CAS Number
91444-54-1
Bazedoxifene
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2122862-01-3

Bedaquiline Des-Bromo Impurity

CAS Number
2122862-01-3
Bedaquiline fumarate
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845533-86-0

Bedaquiline Fumarate

CAS Number
845533-86-0
Alternate CAS Number
843663-66-1(free base)
Bedaquiline fumarate
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Bedaquiline Impurity 10

Bedaquiline Impurity 10

CAS Number
NA
Bedaquiline fumarate
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654655-69-3

Bedaquiline Impurity 5

CAS Number
654655-69-3
Bedaquiline fumarate
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Bempedoic Acid Monoester Impurity

CAS Number
NA
Bempedoic Acid
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Benazepril Standard

CAS Number
86541-75-5
Alternate CAS Number
86541-74-4(HCl Salt)
Benazepril
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Benazepril Related Compound E

CAS Number
88372-47-8
Benazepril
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Benazepril Related Compound F

CAS Number
109010-60-8
Benazepril
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Benazepril Related Compound-F

Benazepril Related Compound-F

CAS Number
109010-60-8
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Benazepril Standard

CAS Number
86541-75-5
Benazepril
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Bendamustine Chloro Dimer Impurity

CAS Number
1228551-91-4
Bendamustine
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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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Bendamustine Ether Impurity

CAS Number
1228552-02-0
Alternate CAS Number
2173004-95-8(Hcl Salt)
Bendamustine
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Bendamustine Hydrochloride

CAS Number
3543-75-7
Alternate CAS Number
16506-27-7 (Free Base ) ;1374784-02-7(HCl monohydrate salt)
Bendamustine
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Bendamustine Isopropyl Ester Impurity

CAS Number
1313020-25-5
Bendamustine
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Bendamustine Methyl Ester Impurity

CAS Number
109882-25-9
Bendamustine
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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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Benperidol EP Impurity A

CAS Number
20662-53-7
Benperidol
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Benperidol EP Impurity C

CAS Number
NA
Benperidol
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Benperidol EP Impurity D

CAS Number
NA
Benperidol
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Benserazide Standard

CAS Number
322-35-0;
Alternate CAS Number
14919-77-8(HCl Salt)
Benserazide
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Benzalkonium Chloride Standard

CAS Number
8001-54-5
Benzalkonium chloride
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Benzalkonium chloride Standard

CAS Number
8001-54-5
Benzalkonium chloride
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Benzhydryl chloride

CAS Number
90-99-3
Chemical Primary Standard
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Benzil

CAS Number
134-81-6
Chemical Primary Standard
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Benzophenone

CAS Number
119-61-9
Chemical Primary Standard
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Benzylpenicillin Clemizol Salt Standard

CAS Number
6011-39-8
Alternate CAS Number
61-33-6(Freebase); 69-57-8(Na Salt); 113-98-4(Potassium Salt)
Benzylpenicillin
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Betahistine EP Impurity A

CAS Number
100-69-6
Alternate CAS Number
2479-59-6(HCl Salt)
Betahistine
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Betahistine EP Impurity B

CAS Number
103-74-2
Alternate CAS Number
101948-60-1(HCl Salt)
Betahistine
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