Pharmaceutical Impurity Standards & Reference Standards

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

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ESTRADIOL

Ethynylestradiol Impurity 1

CAT No.-
CAS No.-
Mol. F.C22H26O4
Mol. W.354.45
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ESTRADIOL

Estradiol Enanthate Acetate

CAT No.-
CAS No.-
Mol. F.C27H38O4
Mol. W.426.60
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ESTRADIOL

Estradiol Valerate Impurity I

CAT No.-
CAS No.-
Mol. F.C49H66O5
Mol. W.735.07
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ESTRADIOL

Ethinylestradiol-d7

CAT No.-
CAS No.57-63-6 (non-d)
Mol. F.C20H17O2D7
Mol. W.303.46
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ESTRADIOL

Estradiol Valerate EP Impurity C

CAT No.-
CAS No.95959-20-9
Mol. F.C23H30O3
Mol. W.354.49
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ESTRADIOL

Ethinyl Estradiol EP Impurity G

CAT No.-
CAS No.38002-18-5
Mol. F.C20H22O3
Mol. W.310.40
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ESTRADIOL

Ethynylestradiol EP Impurity E (6-alpha-HydroxyEthynylestradiol)

CAT No.-
CAS No.27521-34-2
Mol. F.C20H24O3
Mol. W.312.41
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ESTRADIOL

Estradiol Hemihydrate EP Impurity D (delta-9(11)-Estradiol)

CAT No.-
CAS No.791-69-5
Mol. F.C18H22O2
Mol. W.270.37
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ESTRADIOL

Ethinylestradiol

CAT No.-
CAS No.57-63-6
Mol. F.C20H24O2
Mol. W.296.41
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ESTRADIOL

Ethinylesteradiol Impurity L

CAT No.-
CAS No.-
Mol. F.C18H24O2
Mol. W.272.39
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