Norethindrone Impurities

  • CAS No.: 16392-60-2 - 3α

    3α,5α-Tetrahydronorethisterone

    CAS No. : 16392-60-2
    Synonyms : (3α,5α,17α)-19-Norpregn-20-yne-3,17-diol; 19-Nor-5α,17α-pregn-20-yne-3α,17-diol; 17α-Ethynyl-5α-estrane-3α,17β-diol; 17α-Ethynyl-5α-oestrane-3α,17β-diol;
    Catalog No. : SA13438

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  • CAS No.: 1492-41-7 - (17α)-19-Norpregn-5-en-20-yne-3

    (17α)-19-Norpregn-5-en-20-yne-3,17-diol

    CAS No. : 1492-41-7
    Synonyms : (8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
    Catalog No. : SA13437

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  • CAS No.: 3836-23-5 - Norethisterone Enanthate

    Norethisterone Enanthate

    CAS No. : 3836-23-5
    Synonyms : 17-Hydroxy-19-Nor-17α-pregn-4-en-20-yn-3-one Heptanoate; 17α-Ethynyl-19-nortestosterone 17-Heptanoate; 17α-Ethynyl-19-nortestosterone Enanthate; NSC 22846; Norethindrone Enanthate; Norethisterone Heptanoate; Norigest; Noristerat; SH 8.0393; ZK 5410
    Catalog No. : SA13436

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  • CAS No.: 64850-62-0 - 17α-Ethinyl-17β-acetoxy-3

    17α-Ethinyl-17β-acetoxy-3,5-estradiene

    CAS No. : 64850-62-0
    Synonyms : 19-Nor-17α-pregna-3,5-dien-20-yn-17-ol Acetate;
    Catalog No. : SA13434

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  • CAS No.: 28426-43-9 - 17-O-Trimethylsilyl Norethindrone

    17-O-Trimethylsilyl Norethindrone

    CAS No. : 28426-43-9
    Synonyms : (17α)-17-[(Trimethylsilyl)oxy]-19-norpregn-4-en-20-yn-3-one; 17-(Trimethylsiloxy)-19-nor-17α-pregn-4-en-20-yn-3-one
    Catalog No. : SA13433

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  • CAS No.: 300542-58-9 - 17-O-Trimethylsilyl 6

    17-O-Trimethylsilyl 6,7-Dehydro Norethindrone

    CAS No. : 300542-58-9
    Synonyms : (17α)-17-[(Trimethylsilyl)oxy]-19-norpregna-4,6-dien-20-yn-3-one;
    Catalog No. : SA13432

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  • CAS No.: 19778-24-6 - Norethindrone Sulfate Sodium Salt

    Norethindrone Sulfate Sodium Salt

    CAS No. : 19778-24-6
    Synonyms : (17α)-17-(Sulfooxy)-19-norpregn-4-en-20-yn-3-one Sodium Salt; 17-Hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one Hydrogen Sulfate Sodium Salt;
    Catalog No. : SA13428

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  • CAS No.: 52-79-9 - Norethindrone 4

    Norethindrone 4,5α-Dihydro Impurity

    CAS No. : 52-79-9
    Synonyms : 5α-Dihydronorethisterone; 17α-Ethynyl-17β-hydroxy-5α-estran-3-one
    Catalog No. : SA13425

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  • CAS No.: 6424-05-1 - 3β

    3β,5α-Tetrahydronorethisterone

    CAS No. : 6424-05-1
    Synonyms : (3β,5α,17α)-19-Norpregn-20-yne-3,17-diol; 19-Nor-5α,17α-pregn-20-yne-3β,17-diol; 17α-Ethynyl-5α-estrane-3β,17β-diol; 17α-Ethynyl-5α-oestrane-3β,17β-diol;
    Catalog No. : SA13424

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  • CAS No.: 68-23-5 - Norethindrone EP Impurity D; Δ-5(10)-Norethindrone Acetate

    Norethindrone EP Impurity D; Δ-5(10)-Norethindrone Acetate

    CAS No. : 68-23-5
    Synonyms : Delta-5(10)-Norethindrone Acetate; 17-hydroxy-19-nor-17α-pregn-5(10)-en-20-yn-3-one; Norethynodrel;13-Methyl-17-ethynyl-17-hydroxy-1,2,3,4,6,7,8,9,11,12,13,14,16,17-tetradecahydro-15H-cyclopenta[a]phenanthren-3-one; (17α)-17-hydroxy-19-Norpregn-5(10)-en-20-yn-3-one
    Catalog No. : SA13423

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  • CAS No.: NA - Norethindrone EP Impurity B

    Norethindrone EP Impurity B

    CAS No. : NA
    Synonyms : ester-4-ene-3,17-dione; norandrostenedione; (8R,9S,10R,13S,14S)-13-methyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione
    Catalog No. : SA13422

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  • CAS No.: 68-22-4 - Norethindrone

    Norethindrone

    CAS No. : 68-22-4
    Synonyms : (17α)-17-Hydroxy-19-norpregn-4-en-20-yn-3-one; 19-Nor-17α− -ethynyl-4-androsten-17β-ol-3-one; 17α-Ethynyl-19-nortestosterone; 19-Norethisterone; Levonorgestrel Impurity U (EP)
    Catalog No. : SA13421

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  • CAS No.: 1236-00-6 - 10β-Hydroxy Norethindrone

    10β-Hydroxy Norethindrone

    CAS No. : 1236-00-6
    Synonyms : (17α)-10,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one; 10,17-Dihydroxy-19-nor-17α-pregn-4-en-20-yn-3-one; 10β,17-Dihydroxy-19-nor-17α-pregn-4-en-20-yn-3-one; 10β,17β-Dihydroxy-17α-ethynylestr-4-en-3-one; 10β-Hydroxy-19-norethisterone; 10β-Hydroxynorethindrone; 10β-Hydroxynorethisterone; 17α-Ethinyl-10β,17β-dihydroxyestr-4-en-3-one; 17α-Ethynyl-10β,17β-dihydroxy-4-estren-3-one; NSC 63012;
    Catalog No. : SA13417

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  • CAS No.: 67696-78-0 - 6-Keto Norethindrone;  6-Oxo Norethindrone

    6-Keto Norethindrone; 6-Oxo Norethindrone

    CAS No. : 67696-78-0
    Synonyms : (17α)-17-Hydroxy-19-norpregn-4-en-20-yne-3,6-dione; 17α-Hydroxy-19-norpregn-4-en-20-yne-3,6-dione; 6-Ketonorethindrone;
    Catalog No. : SA13415

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  • CAS No.: NA - Norethindrone 3-Isopropoxy Impurity

    Norethindrone 3-Isopropoxy Impurity

    CAS No. : NA
    Synonyms : Norethindrone 3-Isopropylenol Ether; 17β-Hydroxy-3-isopropoxy-17α-ethynylestr-3,5-diene
    Catalog No. : SA13414

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  • CAS No.: 96487-85-3 - Norethindrone EP Impurity F; Norethindrone 3-Ethyl Ether

    Norethindrone EP Impurity F; Norethindrone 3-Ethyl Ether

    CAS No. : 96487-85-3
    Synonyms : 3-ethoxy-19-nor-17α-pregna-3,5-dine-20-yn-17-ol
    Catalog No. : SA13413

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  • CAS No.: 51724-44-8 - Norethindrone EP Impurity H; 6β-Hydroxy Norethindrone

    Norethindrone EP Impurity H; 6β-Hydroxy Norethindrone

    CAS No. : 51724-44-8
    Synonyms : 6β,17-dihydroxy-19-nor-17α-pregn-4-en-20-yn-3-one; 6β-hydroxynorethisterone; (6β,17α)-6,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one; 6β,17β-Dihydroxy-17α-ethynylestr-4-en-3-one; 6β,17β-Dihydroxy-19-nor-17α-pregn-4-en-20-yn-3-one
    Catalog No. : SA13412

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  • CAS No.: 438244-33-8 - 6α-Hydroxy Norethindrone

    6α-Hydroxy Norethindrone

    CAS No. : 438244-33-8
    Synonyms : (6S,8R,9S,10R,13S,14S,17R)-17-Ethynyl-6,17-dihydroxy-13-methyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
    Catalog No. : SA13411

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  • CAS No.: 79727-03-0 - Norethindrone Impurity E

    Norethindrone Impurity E

    CAS No. : 79727-03-0
    Synonyms : 3-ethinyl-19-nor-17α-pregna-3,5-dien-20-yn-17-ol; (17α)-3-Ethynyl-19-norpregna-3,5-dien-20-yn-17-ol
    Catalog No. : SA13410

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  • CAS No.: 38673-36-8 - Norethindrone EP Impurity G

    Norethindrone EP Impurity G

    CAS No. : 38673-36-8
    Synonyms : 17-Epi Norethindrone
    Catalog No. : SA13409

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  • CAS No.: 31528-46-8 - Norethindrone EP Impurity A; 6

    Norethindrone EP Impurity A; 6,7-Dehydro Norethindrone

    CAS No. : 31528-46-8
    Synonyms : (17α)-17-Hydroxy-19-norpregna-4,6-dien-20-yn-3-one; 17-Hydroxy-19-nor-17α-pregna-4,6-dien-20-yn-3-one; 7α-Ethynyl-17β-hydroxyestra-4,6-dien-3-one; 6,7-Dehydronorethindrone
    Catalog No. : SA13408

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  • CAS No.: 22933-71-7 - ∆-5(6)-Norethindrone; Norethisterone Impurity C (EP)

    ∆-5(6)-Norethindrone; Norethisterone Impurity C (EP)

    CAS No. : 22933-71-7
    Synonyms : (17α)-17-Hydroxy-19-norpregn-5-en-20-yn-3-one; 17-Hydroxy-19-nor-17α-pregn-5-en-20-yn-3-one; Norethisterone Impurity C (EP)
    Catalog No. : SA13407

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