Pharmaceutical Impurity Standards & Reference Standards

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

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Isotope Labelled Compounds

rac-Tenofovir-d7

CAT No.-
CAS No.107021-12-5 (non-labelled)
Mol. F.C9H7D7N5O4P
Mol. W.294.26
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TAXIFOLIN

rac-4'-O-Methyl Taxifolin

CAT No.-
CAS No.-
Mol. F.C16H14O7
Mol. W.318.29
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TAMSULOSIN

rac-N-Methyl Tamsulosin

CAT No.-
CAS No.-
Mol. F.C21H30N2O5S
Mol. W.422.55
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SPARSENTAN

RE-0004091 (PS359607)

CAT No.-
CAS No.N/A
Mol. F.C30H35ClN4O4S
Mol. W.583.15
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SPARSENTAN

RE-0004095 (PS701685)

CAT No.-
CAS No.1399412-15-7
Mol. F.C32H38N4O6S
Mol. W.606.75
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SPARSENTAN

RE-0004090 (PS360814)

CAT No.-
CAS No.254737-96-7
Mol. F.C30H34N4O5S
Mol. W.562.69
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SITAGLIPTIN

rac-Sitagliptin Acetate Salt

CAT No.-
CAS No.-
Mol. F.C16H15F6N5O. C2H4O2
Mol. W.407.32 60.05
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Impurity Standards

rac-Sitagliptin EP Impurity C HCl

CAT No.-
CAS No.-
Mol. F.C16H16F5N5O. HCl
Mol. W.389.33 36.46
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Impurity Standards

rac-Sitagliptin EP Impurity B HCl

CAT No.-
CAS No.1334244-32-4 (freebase)
Mol. F.C16H16F5N5O. HCl
Mol. W.389.33 36.46
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Isotope Labelled Compounds

rac-Sitagliptin-d4 HCl

CAT No.-
CAS No.-
Mol. F.C16H11F6N5OD4. HCl
Mol. W.411.35 36.46
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