Pharmaceutical Impurity Standards & Reference Standards

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

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Reference Standards

Xylitol

CAT No.-
CAS No.87-99-0
Mol. F.C5H12O5
Mol. W.152.15
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Impurity Standards

Xylometazoline HCl (Oxymetazoline EP Impurity BHCl)

CAT No.-
CAS No.1218-35-5
Mol. F.C16H24N2. HCl
Mol. W.244.38 36.46
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Impurity Standards

Xylometazoline EP Impurity A

CAT No.-
CAS No.94266-17-8
Mol. F.C16H26N2O
Mol. W.262.40
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Reference Standards

Xanthorrhizol

CAT No.-
CAS No.30199-26-9
Mol. F.C15H22O
Mol. W.218.34
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Reference Standards

Xibornol

CAT No.-
CAS No.13741-18-9
Mol. F.C18H26O
Mol. W.258.41
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Reference Standards

Xipamide

CAT No.-
CAS No.14293-44-8
Mol. F.C15H15ClN2O4S
Mol. W.354.81
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Reference Standards

Xylazine

CAT No.-
CAS No.7361-61-7
Mol. F.C12H16N2S
Mol. W.220.34
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Reference Standards

Xanthoangelol

CAT No.-
CAS No.-
Mol. F.C25H28O4
Mol. W.392.50
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XANTHOANTHRAFIL

Xanthoanthrafil (Benzamidenafil)

CAT No.-
CAS No.1020251-53-9
Mol. F.C19H23N3O6
Mol. W.389.41
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Isotope Labelled Compounds

Xanthoanthrafil-d6

CAT No.-
CAS No.-
Mol. F.C19H17N3O6D6
Mol. W.395.45
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