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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ATENOLOL

Atenolol Impurity 1

CAT No.-
CAS No.81346-71-6
Mol. F.C11H16N2O3
Mol. W.224.26
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ATIPAMEZOLE

Atipamezole HCl

CAT No.-
CAS No.104075-48-1
Mol. F.C14H16N2. HCl
Mol. W.212.30 36.46
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ATIPAMEZOLE

Atipamezole Impurity 1 HCl

CAT No.-
CAS No.1160219-71-5
Mol. F.C14H12N2O2. HCl
Mol. W.240.26 36.46
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ASOXIME

Asoxime-d4 Chloride

CAT No.-
CAS No.34433-31-3 (non-labelled)
Mol. F.C14H12N4O3D4. 2 Cl
Mol. W.292.33 2 35.45
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ASPARTAME

Aspartame EP Impurity B

CAT No.-
CAS No.13433-09-5
Mol. F.C13H16N2O5
Mol. W.280.28
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ASPARTAME

Aspartame-d5

CAT No.-
CAS No.N/A
Mol. F.C14H13N2O5D5
Mol. W.299.34
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ASPARTAME

Aspartame Impurity A

CAT No.-
CAS No.5262-10-2
Mol. F.C13H14N2O4
Mol. W.262.27
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ASPARTAME

Aspartame

CAT No.-
CAS No.22839-47-0
Mol. F.C14H18N2O5
Mol. W.294.31
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ASPERULOSIDIC ACID

Asperulosidic Acid

CAT No.-
CAS No.25368-11-0
Mol. F.C18H24O12
Mol. W.432.38
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Aspirin

Acetylsalicylic Acid-d3 (Aspirin-d3)

CAT No.-
CAS No.50-78-2 (non-d)
Mol. F.C9H5D3O4
Mol. W.183.18
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