Pharmaceutical Impurity Standards & Reference Standards

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

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ACETAMINOPHEN

Acetaminophen Impurity 11 HCl (4,4'-Iminodiphenol HCl)

CAT No.-
CAS No.1965310-24-0
Mol. F.C12H11NO2. HCl
Mol. W.201.23 36.46
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ACETAMIPRID

Acetamiprid

CAT No.-
CAS No.135410-20-7
Mol. F.C10H11ClN4
Mol. W.222.68
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ACETAZOLAMIDE

Acetazolamide-d3

CAT No.-
CAS No.1189904-01-5
Mol. F.C4H3D3N4O3S2
Mol. W.225.26
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ACETAZOLAMIDE

Acetazolamide

CAT No.-
CAS No.59-66-5
Mol. F.C4H6N4O3S2
Mol. W.222.24
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ACETAZOLAMIDE

Acetazolamide-13C2-d3

CAT No.-
CAS No.59-66-5 (non-d)
Mol. F.C4H3N4O3S2D3
Mol. W.227.24
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ACETAZOLAMIDE

Acetazolamide EP Impurity A

CAT No.-
CAS No.60320-32-3
Mol. F.C4H4ClN3OS
Mol. W.177.61
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ACETAZOLAMIDE

Acetazolamide EP Impurity B

CAT No.-
CAS No.5393-55-5
Mol. F.C4H5N3OS
Mol. W.143.17
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ACETAZOLAMIDE

Acetazolamide EP Impurity C

CAT No.-
CAS No.32873-56-6
Mol. F.C4H5N3OS2
Mol. W.175.22
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ACETAZOLAMIDE

Acetazolamide EP Impurity D

CAT No.-
CAS No.14949-00-9
Mol. F.C2H4N4O2S2
Mol. W.180.21
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ACETAZOLAMIDE

Acetazolamide EP Impurity E

CAT No.-
CAS No.827026-60-8
Mol. F.C4H5N3O4S2
Mol. W.223.23
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