Pharmaceutical Impurity Standards & Reference Standards

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

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ARTICAINE

Articaine EP Impurity H HCl

CAT No.-
CAS No.-
Mol. F.C16H26N2O3S. HCl
Mol. W.326.46 36.46
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ARTICAINE

Articaine EP Impurity I

CAT No.-
CAS No.85006-31-1
Mol. F.C7H9NO2S
Mol. W.171.21
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ARTICAINE

Articaine EP Impurity J

CAT No.-
CAS No.1160919-46-9
Mol. F.C10H12BrNO3S
Mol. W.306.17
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ARYLEX

Arylex

CAT No.-
CAS No.943831-98-9
Mol. F.C14H11Cl2FN2O3
Mol. W.345.15
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ASCOMYCIN

Ascomycin (Tacrolimus Related Compound A)

CAT No.-
CAS No.104987-12-4
Mol. F.C43H69NO12
Mol. W.792.02
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ASCOMYCIN

Ascomycin Impurity 1

CAT No.-
CAS No.-
Mol. F.C43H67NO11
Mol. W.774.01
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ASCORBIC ACID

Ascorbic Acid EP Impurity G

CAT No.-
CAS No.-
Mol. F.C6H6O7
Mol. W.190.11
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ASCORBIC ACID

Ascorbic Acid EP Impurity H

CAT No.-
CAS No.-
Mol. F.C7H8O7
Mol. W.204.14
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ASCORBIC ACID

Ascorbic Acid Impurity C (D-Sorbosonic Acid)

CAT No.-
CAS No.16533-48-5
Mol. F.C6H10O7
Mol. W.194.14
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ASCORBIC ACID

Ascorbic Acid Impurity D (Methyl D-SorbosonicAcid)

CAT No.-
CAS No.67776-07-2
Mol. F.C7H12O7
Mol. W.208.17
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