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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PARABEN

Isopropyl 4-hydroxybenzoate

CAT No.-
CAS No.4191-73-5
Mol. F.C10H12O3
Mol. W.180.20
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OSPEMIFENE

Iodo Ospemifene

CAT No.-
CAS No.-
Mol. F.C24H23IO2
Mol. W.470.35
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ORLISTAT

Isopentyl Orlistat Tetradecyl Ester

CAT No.-
CAS No.-
Mol. F.C30H55NO5
Mol. W.509.77
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NNAL

iso-NNAL

CAT No.-
CAS No.59578-66-4
Mol. F.C10H15N3O2
Mol. W.209.25
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NICOTINE

Isonicotinamide

CAT No.-
CAS No.1453-82-3
Mol. F.C6H6N2O
Mol. W.122.13
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MINOCYCLINE

Imino Delta Minocycline

CAT No.-
CAS No.-
Mol. F.C23H28N4O6
Mol. W.456.50
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MANNITOL

Isomannide Dinitrate

CAT No.-
CAS No.551-43-9
Mol. F.C6H8N2O8
Mol. W.236.14
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MALTOSE

Isomalt

CAT No.-
CAS No.64519-82-0
Mol. F.C12H24O11
Mol. W.344.31
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LOPINAVIR

Isolopinavir

CAT No.-
CAS No.1132765-59-3
Mol. F.C38H50N4O5
Mol. W.642.85
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Isotope Labelled Compounds

Isoleucine-13C

CAT No.-
CAS No.73-32-5 (non-labelled)
Mol. F.C6H13NO2
Mol. W.132.16
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