Pharmaceutical Impurity Standards & Reference Standards

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

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Impurity Standards

Glyceryl Valproate Impurity 1

CAT No.-
CAS No.77656-37-2
Mol. F.C11H22O4
Mol. W.218.30
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Impurity Standards

Glyceryl Valproate Impurity 2

CAT No.-
CAS No.77656-46-3
Mol. F.C11H22O4
Mol. W.218.30
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Isotope Labelled Compounds

Glycoursodeoxycholic-2,2,4,4-d4 Acid

CAT No.-
CAS No.2044276-17-5
Mol. F.C26H39D4NO5
Mol. W.453.66
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URSODIOL

Glycoursodeoxycholic Acid

CAT No.-
CAS No.64480-66-6
Mol. F.C26H43NO5
Mol. W.449.64
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Isotope Labelled Compounds

Glycoursodeoxycholic Acid-d5

CAT No.-
CAS No.64480-66-6 (non-d)
Mol. F.C26H38NO5D5
Mol. W.454.67
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TYROSINE

Gly-Gly-D-Tyr-OH

CAT No.-
CAS No.-
Mol. F.C13H17N3O5
Mol. W.295.30
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TYROSINE

Gly-Gly-Tyr-OH

CAT No.-
CAS No.17343-07-6
Mol. F.C13H17N3O5
Mol. W.295.30
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TYROSINE

Gly-Tyr-OBn

CAT No.-
CAS No.-
Mol. F.C18H20N2O4
Mol. W.328.37
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Isotope Labelled Compounds

Gendenafil-d5

CAT No.-
CAS No.-
Mol. F.C19H17N4O3D5
Mol. W.359.44
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SILDENAFIL

Gendenafil

CAT No.-
CAS No.147676-66-2
Mol. F.C19H22N4O3
Mol. W.354.41
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