Pharmaceutical Impurity Standards & Reference Standards

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

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Impurity Standards

Valdecoxib Disulfonamide Impurity (ParecoxibImpurity 1)

CAT No.-
CAS No.1708094-99-8
Mol. F.C22H23N3O7S2
Mol. W.505.57
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Reference Standards

Vecabrutinib

CAT No.-
CAS No.1510829-06-7
Mol. F.C22H24ClF4N7O2
Mol. W.529.92
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Isotope Labelled Compounds

Vecabrutinib-d4

CAT No.-
CAS No.1510829-06-7 (non-labelled)
Mol. F.C22H20D4ClF4N7O2
Mol. W.533.95
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OSPEMIFENE

Vinyl Ospemifene

CAT No.-
CAS No.-
Mol. F.C24H22O2
Mol. W.342.44
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MYCOPHENOLIC ACID

Vinyl Lactone Analogue of Mycophenolic Acid

CAT No.-
CAS No.-
Mol. F.C17H18O6
Mol. W.318.33
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GANCICLOVIR

Valganciclovir Dimer Stereoisomer A, B, C

CAT No.-
CAS No.-
Mol. F.C29H44N12O10
Mol. W.720.75
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GANCICLOVIR

Valganciclovir Related Compound G

CAT No.-
CAS No.-
Mol. F.C15H24N6O6
Mol. W.384.40
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GANCICLOVIR

Valganciclovir Impurity 3

CAT No.-
CAS No.130914-77-1
Mol. F.C35H43N7O10
Mol. W.721.77
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GANCICLOVIR

Valganciclovir Impurity 4

CAT No.-
CAS No.1356353-76-8
Mol. F.C15H24N6O6
Mol. W.384.39
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GANCICLOVIR

Valganciclovir HCl

CAT No.-
CAS No.175865-60-8
Mol. F.C14H22N6O5
Mol. W.354.37
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