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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SILYBIN

Isosilybin A

CAT No.-
CAS No.142796-21-2
Mol. F.C25H22O10
Mol. W.482.44
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SILYBIN

Isosilybin B

CAT No.-
CAS No.142796-22-3
Mol. F.C25H22O10
Mol. W.482.44
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Isotope Labelled Compounds

Imidazosagatriazinone-d5

CAT No.-
CAS No.-
Mol. F.C17H15N4O2D5
Mol. W.317.4
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SCHAFTOSIDE

Isoschaftoside

CAT No.-
CAS No.52012-29-0
Mol. F.C26H28O14
Mol. W.564.50
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QUERCETIN

Isoquercetin (Quercetin 3-O-beta-D-Glucoside)

CAT No.-
CAS No.482-35-9
Mol. F.C21H20O12
Mol. W.464.38
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QUERCETIN

Isorhamnetin

CAT No.-
CAS No.480-19-3
Mol. F.C16H12O7
Mol. W.316.27
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PROSTAGLANDIN

Isoprostane Related Compound 1

CAT No.-
CAS No.155551-84-1
Mol. F.C8H12O4
Mol. W.172.18
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PHOSPHATE

Iron(III) Pyrophosphate

CAT No.-
CAS No.10058-44-3
Mol. F.4 Fe. 3 O7P2
Mol. W.4 55.85 3 173.94
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PHOSPHONIC ACID

Isopropyl Phosphonic Acid

CAT No.-
CAS No.4721-37-3
Mol. F.C3H9O3P
Mol. W.124.08
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PETASIN

Isopetasin

CAT No.-
CAS No.469-26-1
Mol. F.C20H28O3
Mol. W.316.44
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