Pharmaceutical Impurity Standards & Reference Standards

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

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ATRACURIUM

Toluenesulfonic Acid Impurity 1 (Phenyl p-tolylsulfone)

CAT No.-
CAS No.640-57-3
Mol. F.C13H12O2S
Mol. W.232.30
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ANISOLE

Thioanisole-d3

CAT No.-
CAS No.-
Mol. F.C7H5SD3
Mol. W.127.22
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ANAGRELIDE

Trichloro Anagrelide

CAT No.-
CAS No.1092352-99-2
Mol. F.C10H6Cl3N3O
Mol. W.290.53
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ANETHOLE

trans-Anethole

CAT No.-
CAS No.104-46-1
Mol. F.C10H12O
Mol. W.148.21
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AMPICILLIN

Talampicillin Hydrochloride

CAT No.-
CAS No.39878-70-1
Mol. F.C24H23N3O6S . HCl
Mol. W.481.53 36.46
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AMOROLFINE

trans-Amorolfine HCl Impurity 1

CAT No.-
CAS No.-
Mol. F.C21H35NO . HCl
Mol. W.317.52 36.46
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AMOROLFINE

trans-Amorolfine HCl (Mixture of Diastereomers)

CAT No.-
CAS No.-
Mol. F.C21H35NO. HCl
Mol. W.317.52 36.46
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AMPA

Tezampanel

CAT No.-
CAS No.154652-83-2
Mol. F.C13H21N5O2
Mol. W.279.34
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AMBROXOL

trans-4-Aminocyclohexanol Hydrochloride

CAT No.-
CAS No.-
Mol. F.C6H13NO . HCl
Mol. W.115.18 36.46
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ALDOSTERONE

Tetrahydro Aldosterone

CAT No.-
CAS No.13489-75-3
Mol. F.C21H32O5
Mol. W.364.49
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