Pharmaceutical Impurity Standards & Reference Standards

Browse our full catalog of pharmaceutical impurities, reference materials, and research chemicals.

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Isotope Labelled Compounds

Zonisamide-13C2-15N(Amide)

CAT No.-
CAS No.68291-97-4(unlabelled)
Mol. F.C613C2H8N15NO3S
Mol. W.215.20
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ZOMEPIRAC

Zomepirac-acyl-beta-D-Glucuronide

CAT No.-
CAS No.75871-31-7
Mol. F.C21H22ClNO9
Mol. W.467.86
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ZOLPIDEM

alpha-Hydroxy Zolpidem

CAT No.-
CAS No.118026-14-5
Mol. F.C19H21N3O2
Mol. W.323.40
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ZOLPIDEM

2-Keto Zolpidem

CAT No.-
CAS No.400038-68-8
Mol. F.C19H19N3O2
Mol. W.321.38
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ZOLPIDEM

Zolpidem Carbaldehyde

CAT No.-
CAS No.400777-11-9
Mol. F.C16H14N2O
Mol. W.250.30
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Impurity Standards

Zolpidem Impurity 3

CAT No.-
CAS No.4619-20-9
Mol. F.C11H12O3
Mol. W.192.21
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Impurity Standards

Zolpidem Impurity 2

CAT No.-
CAS No.349122-64-1
Mol. F.C14H14N2O
Mol. W.226.28
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Impurity Standards

Zolpidem Impurity 1

CAT No.-
CAS No.-
Mol. F.C19H21N3O2
Mol. W.323.40
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ZOLPIDEM

Zolpidem Related Compound 5

CAT No.-
CAS No.189005-44-5
Mol. F.C17H16N2O2
Mol. W.280.33
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ZOLPIDEM

Zolpidem Related Compound 4

CAT No.-
CAS No.365213-58-7
Mol. F.C17H17N3O
Mol. W.279.34
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