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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Hydrocortisone acetate Standard

CAS Number
50-03-3
Hydrocortisone
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Hydroxy Empagliflozin

CAS Number
2137418-13-2
Empagliflozin
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1257099-43-6

Hydroxyethoxyethyl bosentan

CAS Number
1257099-43-6
Bosentan
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Hydroxyethyl Phthalyl Amlodipine

CAS Number
3079028- 35-3
Amlodipine
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86347-12-8

Hydroxymedetomidine

CAS Number
86347-12-8
Dexmedetomidine
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2031255-23-7

Ibrutinib Dimer Impurity

CAS Number
2031255-23-7
Ibrutinib
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2437254-47-0

Ibrutinib N1-Oxide

CAS Number
2437254-47-0
Ibrutinib
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1288338-95-3

Ibrutinib-N-Acetyl Analog

CAS Number
1288338-95-3
Ibrutinib
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Ibuprofen EP Impurity E

Ibuprofen EP Impurity - E

CAS Number
38861-78-8
Ibuprofen
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Imipramine Pamoate

CAS Number
10075-24-8
Imipramine
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Imipramine Standard

CAS Number
50-49-7
Imipramine
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Imipramine Standard

CAS Number
50-49-7
Alternate CAS Number
113-52-0(HCl Salt); 10075-24-8(Pamoate Salt)
Imipramine
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2338-18-3

Indacaterol Impurity 1

CAS Number
2338-18-3
Indacaterol
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26872-48-0

Indacaterol Impurity 2

CAS Number
26872-48-0
Indacaterol
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2598-31-4

Indacaterol Impurity 3

CAS Number
2598-31-4
Indacaterol
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148-24-3

Indacaterol Impurity 4

CAS Number
148-24-3(free base)
Alternate CAS Number
134-31-6(sulfate salt);207386-91-2(hemisulfate hemihydrate salt)
Indacaterol
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312753-50-7

Indacaterol Impurity 6

CAS Number
312753-50-7
Indacaterol
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135-01-3

Indacaterol Impurity 7

CAS Number
135-01-3
Indacaterol
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Insulin porcine Standard

CAS Number
12584-58-6
Insulin
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Iodophenyl Benzoic acid

Iodophenyl Benzoic acid

CAS Number
391211-97-5
Mirdametinib
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2768787-11-5

Irbesartan Nitroso Impurity

CAS Number
2768787-11-5
Nitrosamine Impurities
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338990-64-0

Isavuconazonium Impurity-2

CAS Number
338990-64-0
Isavuconazonium
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32399-12-5

Isavuconazonium Related Compound -05

CAS Number
32399-12-5
Isavuconazonium
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Isopropyl Trityl Ether

CAS Number
13594-78-0
Chemical Primary Standard
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Isradipine Standard

CAS Number
75695-93-1
Isradipine
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89848-19-1

Itraconazole Hydroxy Isopropyltriazolone Impurity

CAS Number
89848-19-1
Itraconazole
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79538-91-3

Itraconazole Hydroxy Propyltriazolone Impurity

CAS Number
79538-91-3
Itraconazole
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Ketorolac EP Impurity C

CAS Number
1026936-07-1
Ketorolac
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Ketorolac EP Impurity D

CAS Number
1391053-45-4
Ketorolac
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Ketotifen Fumarate EP Impurity B

CAS Number
59743-88-3
Ketotifen
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Ketotifen Fumarate EP Impurity C

CAS Number
126939-27-3
Ketotifen
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Ketotifen Fumarate EP Impurity D

CAS Number
88456-70-6
Ketotifen
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Ketotifen Fumarate EP Impurity E

CAS Number
1346603-71-1
Ketotifen
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Ketotifen Fumarate EP Impurity F

CAS Number
34580-09-1
Ketotifen
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Ketotifen Fumarate EP Impurity G

CAS Number
43076-16-0
Ketotifen
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L-Alanine Diethylamide Hydrochloride

CAS Number
946828-58-6
Alternate CAS Number
56414-86-9(Free Base)
Alanine
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490-83-5

L-Dehydro Ascorbic Acid

CAS Number
490-83-5(free base)
Alternate CAS Number
51260-76-5 (Na salt)
Ascorbic acid
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L-Glutamine Diethylamide

CAS Number
745738-16-3
Alternate CAS Number
77529-90-9(HCl Salt)
Alanine
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Lapatinib 4-Fluoro Analog

CAS Number
1026818-86-9
Lapatinib
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Lapatinib Carboxylic Acid Impurity

CAS Number
1152131-73-1
Lapatinib
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Lapatinib Deschloro Impurity

CAS Number
633370-23-7
Lapatinib
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Lapatinib Impurity 1

CAS Number
1268997-70-1
Lapatinib
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Lapatinib Impurity 4

CAS Number
320337-48-2
Lapatinib
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Lapatinib Standard

CAS Number
231277-92-2
Lapatinib
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100427-26-7

Lercanidipine

CAS Number
100427-26-7(Free base)
Lercanidipine hydrochloride
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855592-30-2

Lercanidipine Acid

CAS Number
855592-30-2
Lercanidipine hydrochloride
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C55H64N4O6

Lercanidipine Dimer Impurity

CAS Number
NA
Lercanidipine hydrochloride
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21881-77-6

Lercanidipine Dimethyl Ester Impurity

CAS Number
21881-77-6
Lercanidipine hydrochloride
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