Pharmaceutical Impurity Standards & Reference Standards

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

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Impurity Standards

O-Desmethyl Venlafaxine Cyclic Impurity

CAT No.-
CAS No.1346601-55-5
Mol. F.C16H23NO2
Mol. W.261.37
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VENLAFAXINE

O-Desmethyl Venlafaxine Glucuronide LithiumSalt (Mixture of Diastereomers)

CAT No.-
CAS No.1021933-98-1 (freeacid)
Mol. F.C22H32NO8. Li
Mol. W.438.50 6.94
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Isotope Labelled Compounds

O-Desmethyl Venlafaxine-d10

CAT No.-
CAS No.1062607-49-1
Mol. F.C16H15NO2D10
Mol. W.273.44
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VENLAFAXINE

O-Desmethyl-N,N-didesmethyl venlafaxine HCl

CAT No.-
CAS No.-
Mol. F.C14H21NO2.HCl
Mol. W.271.79
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VARDENAFIL

O-Desethyl Vardenafil

CAT No.-
CAS No.-
Mol. F.C21H28N64S
Mol. W.460.55
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VANDETANIB

O-Desmethyl Vandetanib

CAT No.-
CAS No.910298-60-1
Mol. F.C21H22BrFN4O2
Mol. W.461.34
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URAPIDIL

O-Desmethyl Urapidil

CAT No.-
CAS No.91453-03-1
Mol. F.C19H27N5O3
Mol. W.373.46
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TRAMADOL

O-Desmethyl Tramadol Glucuronide Acetate(Mixture of Diastereomers)

CAT No.-
CAS No.480991-10-4 (freebase)
Mol. F.C21H31NO8. C2H4O2
Mol. W.425.48 60.05
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Isotope Labelled Compounds

O-Desmethyl-cis-Tramadol-d6 HCl

CAT No.-
CAS No.-
Mol. F.C15H17NO2D6.HCl
Mol. W.255.39 36.46
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Isotope Labelled Compounds

Oxohongdenafil-d5

CAT No.-
CAS No.-
Mol. F.C25H27N6O4D5
Mol. W.485.60
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