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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CYPERMETHRIN

alpha-Cypermethrin

CAT No.-
CAS No.67375-30-8
Mol. F.C22H19Cl2NO3
Mol. W.416.31
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CRESOL

Ammonium m-Cresol-4-Sulfonate

CAT No.-
CAS No.-
Mol. F.C7H8O4S H3N
Mol. W.188.20 17.03
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CRESOL

Ammonium m-Cresol-6-Sulfonate

CAT No.-
CAS No.-
Mol. F.C7H8O4S H3N
Mol. W.188.20 17.03
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CONJUGATED ESTROGEN

Angolensin

CAT No.-
CAS No.642-39-7
Mol. F.C16H16O4
Mol. W.272.30
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CLOXACILLIN

Acetylated Penicilloic Acid Disodium Salt

CAT No.-
CAS No.-
Mol. F.C21H19Cl2N3O7S. 2 Na
Mol. W.528.37 2 22.99
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CARNITINE

Acetyl-L-Carnitine Hydrochloride

CAT No.-
CAS No.5080-50-2
Mol. F.C9H18NO4. Cl
Mol. W.204.25 35.45
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CAPECITABINE

alpha-Capecitabine

CAT No.-
CAS No.-
Mol. F.C15H22FN3O6
Mol. W.359.35
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CALACORENE

alfa-Calacorene

CAT No.-
CAS No.21391-99-1
Mol. F.C15H20
Mol. W.200.33
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BUPLEUROTOXIN

Acetyl Bupleurotoxin

CAT No.-
CAS No.111128-30-4
Mol. F.C19H24O3
Mol. W.300.40
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BUDESONIDE

Androstandionic Impurity 1

CAT No.-
CAS No.85234-64-6
Mol. F.C23H30O5
Mol. W.386.49
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