Pharmaceutical Impurity Standards & Reference Standards

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

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All 2,841
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VITAMIN

Suprasterol II

CAT No.-
CAS No.562-71-0
Mol. F.C28H44O
Mol. W.396.66
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VITAMIN

Sulphitocobalamin

CAT No.-
CAS No.15671-27-9
Mol. F.C62H88CoN13O14P HO3S
Mol. W.1329.38 81.07
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VERAPAMIL

S-Verapamil HCl

CAT No.-
CAS No.38176-02-2
Mol. F.C27H38N2O4. HCl
Mol. W.454.61 36.46
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Isotope Labelled Compounds

S-Verapamil-d7

CAT No.-
CAS No.-
Mol. F.C27H31N2O4D7
Mol. W.461.66
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Isotope Labelled Compounds

S-(+)-O-Desmethyl-Venlafaxine-d6

CAT No.-
CAS No.1062609-99-7
Mol. F.C16H19NO2D6
Mol. W.269.42
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VENLAFAXINE

S-(+)-O-Desmethyl-Venlafaxine

CAT No.-
CAS No.142761-12-4
Mol. F.C16H25NO2
Mol. W.263.38
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UREA

SB-332235 (6-Chloro-3-[3-(2,3-dichlorophenyl)ureido]-2- hydroxybenzenesulfonamide)

CAT No.-
CAS No.276702-15-9
Mol. F.C13H10Cl3N3O4S
Mol. W.410.67
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Isotope Labelled Compounds

Semicarbazide-13C-15N2 HCl

CAT No.-
CAS No.1173020-16-0
Mol. F.13CH5N 15N2O. HCl
Mol. W.78.05 36.46
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UMBELLIFERONE

Scopolin

CAT No.-
CAS No.531-44-2
Mol. F.C16H18O9
Mol. W.354.32
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UMBELLIFERONE

Scopoletin

CAT No.-
CAS No.92-61-5
Mol. F.C10H8O4
Mol. W.192.17
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