Pharmaceutical Impurity Standards & Reference Standards

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

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CETIRIZINE

Levocetirizine Impurity 7

CAT No.-
CAS No.58023-19-1
Mol. F.C10H13ClNO2S
Mol. W.282.19
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CETIRIZINE

Levocetirizine Impurity 8

CAT No.-
CAS No.1391052-52-0
Mol. F.C23H23ClN2O2S
Mol. W.426.97
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CETIRIZINE

Levocetirizine Impurity 9 DiHCl

CAT No.-
CAS No.200707-85-3
Mol. F.C21H26ClN3O2. 2HCl
Mol. W.387.91 2 36.46
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CETIRIZINE

Levocetirizine Impurity 11

CAT No.-
CAS No.-
Mol. F.C25H31ClN2O6
Mol. W.490.98
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CEPHALEXIN (CEFALEXIN

L-Cephalexin

CAT No.-
CAS No.34632-04-7
Mol. F.C16H17N3O4S
Mol. W.347.39
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CARVEDILOL

Lactulosyl (R)-Carvedilol

CAT No.-
CAS No.-
Mol. F.C36H46N2O14
Mol. W.730.76
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CARVEDILOL

Lactulosyl (S)-Carvedilol

CAT No.-
CAS No.-
Mol. F.C36H46N2O14
Mol. W.730.76
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CARNITINE

Levocarnitine Impurity 1

CAT No.-
CAS No.-
Mol. F.C7H16NO5S. Cl
Mol. W.226.27 35.45
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CARNITINE

Levocarnitine Impurity B (D-(+)-Camphoric Acid)

CAT No.-
CAS No.124-83-4
Mol. F.C10H16O4
Mol. W.200.23
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CARNITINE

Levocarnitine EP Impurity C Chloride

CAT No.-
CAS No.6490-20-6
Mol. F.C7H17N2O2. Cl
Mol. W.161.23 35.45
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