Pharmaceutical Impurity Standards & Reference Standards

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

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Reference Standards

Zotarolimus

CAT No.-
CAS No.221877-54-9
Mol. F.C52H79N5O12
Mol. W.966.24
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Isotope Labelled Compounds

Zotarolimus-d3

CAT No.-
CAS No.-
Mol. F.C52H76N5O12D3
Mol. W.969.23
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Isotope Labelled Compounds

Zopiclone-d4

CAT No.-
CAS No.43200-80-2
Mol. F.C17H13D4ClN6O3
Mol. W.392.84
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Isotope Labelled Compounds

Zopiclone-d8

CAT No.-
CAS No.1215518-83-4
Mol. F.C17H9ClN6O3D8
Mol. W.396.86
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Impurity Standards

Zopiclone EP Impurity C

CAT No.-
CAS No.148891-53-6
Mol. F.C11H7ClN4O
Mol. W.246.65
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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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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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Reference Standards

Zonisamide

CAT No.-
CAS No.68291-97-4
Mol. F.C8H8N2O3S
Mol. W.212.23
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Isotope Labelled Compounds

Zonisamide-13C2-15N(N2)

CAT No.-
CAS No.68291-97-4 (non-labelled)
Mol. F.13C2 15N C6H8NO3S
Mol. W.215.20
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Impurity Standards

Zolmitriptan Impurity 10

CAT No.-
CAS No.-
Mol. F.C16H22N3O3. I
Mol. W.304.37 126.91
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