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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ASPARTAME

rac-Aspartame EP Impurity C (DL-Phenylalanine)

CAT No.-
CAS No.150-30-1
Mol. F.C9H11NO2
Mol. W.165.19
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AROTINOLOL

R-Arotinolol HCl

CAT No.-
CAS No.-
Mol. F.C15H21N3O2S3. HCl
Mol. W.371.53 36.46
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ARIMOCLOMOL

Racemic Arimoclomol Maleate

CAT No.-
CAS No.289893-24-9
Mol. F.C14H20ClN3O3. C4H4O4
Mol. W.313.79 116.07
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ARIMOCLOMOL

Racemic Arimoclomol-d10 Maleate

CAT No.-
CAS No.289893-24-9 (non-labelled)
Mol. F.C14H10ClN3O3D10.C4H4O4
Mol. W.323.85 116.07
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APOMORPHINE

rac-Apomorphine-13C-d3 HCl

CAT No.-
CAS No.68821-04-5 (non-labelled)
Mol. F.13C C16H14D3NO2. HCl
Mol. W.271.34 36.46
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APREMILAST

R-Apremilast

CAT No.-
CAS No.-
Mol. F.C22H24N2O7S
Mol. W.460.51
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AMOXICILLIN

rac-Amoxicillin EP Impurity H

CAT No.-
CAS No.106644-43-3
Mol. F.C13H17NO4
Mol. W.251.28
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AMOROLFINE

rac-Amorolfine Impurity 4 (Mixture ofDiastereomers)

CAT No.-
CAS No.-
Mol. F.C21H35NO2
Mol. W.333.52
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AMBRISENTAN

rac-Ambrisentan-d5

CAT No.-
CAS No.1392210-85-3
Mol. F.C22H17N2O4D5
Mol. W.383.46
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AFACIFENACIN

R-Afacifenacin

CAT No.-
CAS No.-
Mol. F.C27H26F3N3O2
Mol. W.481.52
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