Pharmaceutical Impurity Standards & Reference Standards

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

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AZATADINE

Azatadine Dimaleate

CAT No.-
CAS No.3978-86-7
Mol. F.C20H22N2. 2 C4H4O4
Mol. W.290.41 2 116.07
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AZATHIOPRINE

Azathioprine EP Impurity A

CAT No.-
CAS No.4531-54-8
Mol. F.C4H6N4O2
Mol. W.142.12
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AZATHIOPRINE

Azathioprine EP Impurity E Sodium Salt

CAT No.-
CAS No.35681-68-6
Mol. F.C4H4N3O3. Na
Mol. W.142.09 22.99
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AZATHIOPRINE

Azathioprine EP Impurity D

CAT No.-
CAS No.6339-54-4
Mol. F.C4H5N3O2S
Mol. W.159.16
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AZATHIOPRINE

Azathioprine EP Impurity G (Thiamiprine)

CAT No.-
CAS No.5581-52-2
Mol. F.C9H8N8O2S
Mol. W.292.28
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AZATHIOPRINE

Azathioprine Impurity C

CAT No.-
CAS No.49808-20-0
Mol. F.C10H6N8S2
Mol. W.302.34
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AZATHIOPRINE

Azathioprine

CAT No.-
CAS No.446-86-6
Mol. F.C9H7N7O2S
Mol. W.277.26
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AZATHIOPRINE

Azathioprine-13C2-15N

CAT No.-
CAS No.446-86-6 (non-labelled)
Mol. F.13C C72H7N615NO2S
Mol. W.280.24
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AZD 4320

AZD 4320

CAT No.-
CAS No.1357576-48-7
Mol. F.C45H48ClF3N4O7S3
Mol. W.945.53
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AZD 4320

AZD 4320-d4

CAT No.-
CAS No.1357576-48-7 (nonlabelled)
Mol. F.C45H44D4ClF3N4O7S3
Mol. W.949.55
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