Impurities are undesirable chemical components that remain in the active pharmaceutical ingredient during formulation. Impurities may reduce a product's efficacy.

Perindopril EP Impurity P

Perindopril EP Impurity P

CAS Number
82978-68-5
Alternate CAS Number
NA
Perindopril
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Perindopril Impurity 1

Perindopril Impurity 1

CAS Number
83508-14-9
Alternate CAS Number
94062-52-9(Sel de tosylate)
Perindopril
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Perindopril Impurity 12

Perindopril Impurity 12

CAS Number
10441-26-6
Alternate CAS Number
NA
Perindopril
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Perindopril Impurity 14

Perindopril Impurity 14

CAS Number
625095-50-3
Alternate CAS Number
NA
Perindopril
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Perindopril Impurity 15

Perindopril Impurity 15

CAS Number
78277-27-7
Alternate CAS Number
NA
Perindopril
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Perindopril Impurity 23

Perindopril Impurity 23

CAS Number
145682-38-8
Alternate CAS Number
NA
Perindopril
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Slide 1.GIF

Permethrin Impurity-C

CAS Number
13826-35-2
Permethrin
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Slide 1.GIF

Permethrin Impurity-G

CAS Number
64964-54-1
Alternate CAS Number
85576-82-5 (Relative stereochemistry)
Permethrin
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Slide 1.GIF

Phenoxymethylpenicillin Impurity-E

CAS Number
NA
Phenoxymethylpenicillin
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Slide 1.GIF

Phenoxymethylpenicillin Impurity-F

CAS Number
2714805-53-3
Alternate CAS Number
4847-29-4 - No Stereochemistry
Phenoxymethylpenicillin
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74853-06-8

Phenyl (4-(4-(4-methoxyphenyl)piperazin-1-yl)phenyl)carbamate

CAS Number
74853-06-8
Itraconazole
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Slide 1.GIF

Phenylephrine Impurity-E

CAS Number
56917-44-3
Alternate CAS Number
71786-67-9(HCl Salt)
Phenylephrine
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Slide 1.GIF

Phenytoin Impurity-C

CAS Number
3060-50-2
Phenytoin
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slide.1

Phthaloyl Amlodipine Dimethyl Ester

CAS Number
140171-50-2
Amlodipine
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Slide 1.GIF

Pimozide Impurity-C

CAS Number
2512213-29-3
Pimozide
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Slide_1

Piperidin-4-amine

CAS Number
13035-19-3
Chemical Primary Standard
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slide.1

Piperidine

CAS Number
110-89-4
Chemical Primary Standard
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Slide 1.GIF

Piretanide Impurity-A

CAS Number
67641-46-7
Piretanide
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Slide 1.GIF

Piretanide Impurity-B

CAS Number
60376-76-3
Piretanide
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Slide 1.GIF

Piretanide Impurity-C

CAS Number
104061-24-7
Piretanide
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Pirfenidone Working Standard

Pirfenidone Standard

CAS Number
53179-13-8
Pirfenidone
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Polmacoxib 2-Fluorophenyl Impurity

Polmacoxib 2-Fluorophenyl Impurity

CAS Number
301693-28-7
Polmacoxib
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Polmacoxib Benzenesulfinic acid

Polmacoxib Benzenesulfinic acid

CAS Number
1779572-87-0
Alternate CAS Number
1778703-67-5(Na salt)
Polmacoxib
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Polmacoxib methyl sulfonyl

Polmacoxib methyl sulfonyl

CAS Number
301690-25-5
Polmacoxib
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Polmacoxib methyl sulfoxide

Polmacoxib methyl sulfoxide

CAS Number
301693-70-9
Polmacoxib
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Polmacoxib Sulfonyl Methyl Acetate

Polmacoxib Sulfonyl Methyl Acetate

CAS Number
1778703-66-4
Polmacoxib
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Polmacoxib Thiomethyl Acetate

Polmacoxib Thiomethyl Acetate

CAS Number
1778703-69-7
Polmacoxib
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Slide_1

Posaconazole R,R-Isomer

CAS Number
2243786-01-6
Posaconazole
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Slide_1

Posaconazole R,S-Isomer

CAS Number
2243786-00-5
Posaconazole
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Slide_1

Posaconazole S,R-Isomer

CAS Number
2243786-02-7
Posaconazole
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slide.1

Potassium 2-((4-chloro-2-nitrophenyl)amino)benzoate

CAS Number
NA
Clozapine
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slide.1

Prasugrel Standard

CAS Number
150322-43-3
Alternate CAS Number
389574-19-0(HCl Salt)
Prasugrel
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Slide_1

Prazosin EP Impurity A

CAS Number
23680-84-4
Prazosin
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Slide_1

Prazosin EP Impurity B

CAS Number
31350-27-3
Prazosin
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Slide_1

Prazosin EP Impurity C

CAS Number
60547-97-9
Prazosin
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Slide_1

Prazosin EP Impurity D

CAS Number
40172-95-0
Alternate CAS Number
60548-09-6(HCl)
Prazosin
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Slide_1

Prazosin EP Impurity E

CAS Number
102839-00-9
Prazosin
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slide_1

Prednisone Standard

CAS Number
53-03-2
Prednisone
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slide.1

Prednisone Standard

CAS Number
53-03-2
Prednisone
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Pregabalin 3-Carboxymethyl

Pregabalin 3-Carboxymethyl

CAS Number
75143-89-4
Pregabalin
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Pregabalin Impurity D

Pregabalin Impurity - D

CAS Number
4118-51-8
Pregabalin
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slide_1

Propylene glycol

CAS Number
57-55-6
Propylene glycol
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slide_1

Propylene glycol

CAS Number
57-55-6
Propylene glycol
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slide.1

Pteroic Acid

CAS Number
119-24-4
Chemical Primary Standard
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Slide_1

Pyridoxine Diacetate

CAS Number
26280-83-1
Pyridoxine
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Slide_1

Pyridoxine EP Impurity B

CAS Number
61-67-6
Alternate CAS Number
148-51-6(HCl Salt)
Pyridoxine
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Slide_1

Pyridoxine Impurity 2

CAS Number
96181-47-4
Pyridoxine
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Slide_1

Pyridoxine Impurity 3

CAS Number
412940-03-5
Pyridoxine
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