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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ARGININE

L-Arginine-13C-d4 HCl

CAT No.-
CAS No.-
Mol. F.13C C5H10N4O2D4. HCl
Mol. W.179.22 36.46
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ALANINE

L-Alanine benzyl ester p-toluenesulfonate salt

CAT No.-
CAS No.42854-62-6
Mol. F.C10H13NO2.C7H8O3S
Mol. W.179.22 172.20
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ALANINE

L-Phenylalanine

CAT No.-
CAS No.63-91-2
Mol. F.C9H11NO2
Mol. W.165.19
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ALANINE

L-Phenylalanine-d8

CAT No.-
CAS No.17942-32-4
Mol. F.C9H3D8NO2
Mol. W.173.24
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ALANINE

L-Alanyl-L-Glutamine

CAT No.-
CAS No.39537-23-0
Mol. F.C8H15N3O4
Mol. W.217.23
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Impurity Standards

Losartan Impurity B

CAT No.-
CAS No.1159977-48-6
Mol. F.C44H44Cl2N12O2
Mol. W.843.83
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