Impurities

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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Estradiol Benzoate Standard

CAS Number

50-50-0

Estradiol benzoate

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Enoxolone Standard

CAS Number

471-53-4

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Enoxolone Sodium

CAS Number

2508-76-1

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Fludarabine Standard

CAS Number

21679-14-1

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Flutamide Standard

CAS Number

13311-84-7

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Fluvoxamine Standard

CAS Number

54739-18-3

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Fluvoxamine Maleate

CAS Number

61718-82-9

Slide 1.GIF

Risperidone Impurity-A

CAS Number

691007-09-7

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Furosemide Standard

CAS Number

54-31-9

Slide 1.GIF

Risperidone Impurity-B

CAS Number

132961-05-8

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Furosemide Sodium

CAS Number

41733-55-5

Slide 1.GIF

Risperidone Impurity-C

CAS Number

144598-75-4

Slide 1.GIF

Risperidone Impurity-D

CAS Number

1199589-74-6

Slide 1.GIF

Risperidone Impurity-E

CAS Number

1346602-28-5

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Imipramine Standard

CAS Number

50-49-7

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Imipramine Pamoate

CAS Number

10075-24-8

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Paroxetine Standard

CAS Number

61869-08-7

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Rutin Hydrate

CAS Number

207671-50-9

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Pemetrexed Disodium

CAS Number

150399-23-8

Slide 1.GIF

Rivastigmine Impurity-A

CAS Number

139306-10-8

Slide 1.GIF

Rivastigmine Impurity-B

CAS Number

1230021-28-9

Slide 1.GIF

Rivastigmine Impurity-C

CAS Number

855300-09-3

Slide 1.GIF

Rocuronium Impurity-A

CAS Number

119302-24-8

Rocuronium Bromide

Slide 1.GIF

Rocuronium Impurity-B

CAS Number

122483-73-2

Rocuronium Bromide

Slide 1.GIF

Rocuronium Impurity-C

CAS Number

119302-86-2

Rocuronium Bromide

Slide 1.GIF

Rocuronium Impurity-F

CAS Number

1190105-66-8

Rocuronium Bromide

Slide 1.GIF

Rocuronium Impurity-H

CAS Number

1190105-67-9

Rocuronium Bromide

Slide 1.GIF

Rupatadine Impurity-A

CAS Number

1354055-68-7

Slide 1.GIF

Rupatadine Impurity-B

CAS Number

100643-71-8

Slide 1.GIF

Pefloxacin Impurity-G

CAS Number

70458-94-5

Slide 1.GIF

Pemetrexed Impurity-A

CAS Number

869791-42-4

Slide 1.GIF

Pemetrexed Impurity-D

CAS Number

144051-68-3

Alternate CAS Number

1265908-59-5(TriNa Salt)

Slide 1.GIF

Pemetrexed Impurity-E

CAS Number

182009-04-7

Alternate CAS Number

937370-10-0(DiNa Salt)

Slide 1.GIF

Piretanide Impurity-A

CAS Number

67641-46-7

Slide 1.GIF

Piretanide Impurity-B

CAS Number

60376-76-3

Slide 1.GIF

Piretanide Impurity-C

CAS Number

104061-24-7

Slide 1.GIF

Pimozide Impurity-C

CAS Number

2512213-29-3

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Prednisone Standard

CAS Number

53-03-2

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Propylene glycol Standard

CAS Number

57-55-6

Propylene glycol

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Quetiapine Standard

CAS Number

111974-69-7

Slide 1.GIF

Phenytoin Impurity-C

CAS Number

3060-50-2

Slide 1.GIF

Phenylephrine Impurity-E

CAS Number

56917-44-3

Alternate CAS Number

71786-67-9(HCl Salt)

Slide 1.GIF

Phenoxymethylpenicillin Impurity-E

CAS Number

NA

Phenoxymethylpenicillin

Slide 1.GIF

Phenoxymethylpenicillin Impurity-F

CAS Number

2714805-53-3

Alternate CAS Number

4847-29-4 - No Stereochemistry

Phenoxymethylpenicillin

Slide 1.GIF

Permethrin Impurity-C

CAS Number

13826-35-2

Slide 1.GIF

Permethrin Impurity-G

CAS Number

64964-54-1

Alternate CAS Number

85576-82-5 (Relative stereochemistry)

Slide 1.GIF

Paclitaxel Impurity-E

CAS Number

105454-04-4

Slide 1.GIF

Paclitaxel Impurity-H

CAS Number

78454-17-8