Pharmaceutical Impurity Standards & Reference Standards

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

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VALSARTAN

Isoleucine Valsartan

CAT No.-
CAS No.137862-78-3
Mol. F.C25H31N5O3
Mol. W.449.56
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Impurity Standards

Isotretinoin EP Impurity F

CAT No.-
CAS No.68070-35-9
Mol. F.C20H28O2
Mol. W.300.44
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Impurity Standards

Isotretinoin EP Impurity I (13-cis-4-Hydroxy- Retinoic Acid, 4-Hydroxy Isotretinoin)

CAT No.-
CAS No.75281-25-3
Mol. F.C20H28O3
Mol. W.316.44
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Isotope Labelled Compounds

Isotretinoin-d5

CAT No.-
CAS No.4759-48-2 (non-labelled)
Mol. F.C20H23D5O2
Mol. W.305.47
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TRETINOIN

Isotretinoin Glucuronide

CAT No.-
CAS No.N/A
Mol. F.C26H36O8
Mol. W.476.57
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TRETINOIN

Isotretinoin (13-cis-Retinoic Acid)

CAT No.-
CAS No.4759-48-2
Mol. F.C20H28O2
Mol. W.300.44
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Impurity Standards

Isotretinoin EP Impurity H (4-Oxo-13-cis-RetinoicAcid)

CAT No.-
CAS No.71748-58-8
Mol. F.C20H26O3
Mol. W.314.43
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TENOFOVIR

Isopropyl Tenofovir Fumarate

CAT No.-
CAS No.1346597-36-1 (freebase)
Mol. F.C12H20N5O4P. C4H4O4
Mol. W.329.30 116.07
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SUCROSE

Iron Sucrose

CAT No.-
CAS No.8047-67-4
Mol. F.n(Na2Fe5O8(OH). 3(H2O)). m(C12H22O11))
Mol. W.34000-60000daltons
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SILYBIN

Isosilybin (Mixture of Diastereomers)

CAT No.-
CAS No.72581-71-6
Mol. F.C25H22O10
Mol. W.482.44
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