Levonorgestrel Impurities

  • CAS No.: 793-55-5 - Levonorgestrel EP Impurity K

    Levonorgestrel EP Impurity K

    CAS No. : 793-55-5
    Synonyms : 18-methylnandrolone; 13-ethyl-17β-hydroxy-4-en-3-one; (8R,9S,10R,13S,14S,17S)-13-ethyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
    Catalog No. : SA23726

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  • CAS No.: 155683-59-3 - Levonorgestrel EP Impurity W

    Levonorgestrel EP Impurity W

    CAS No. : 155683-59-3
    Synonyms : Δ5(10),6,8(9)-D-(-)-Norgestrel; 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-5,7,9-trien-20-yn-3-one
    Catalog No. : SA23725

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  • CAS No.: 14009-70-2 - Levonorgestrel EP Impurity V

    Levonorgestrel EP Impurity V

    CAS No. : 14009-70-2
    Synonyms : 18-Methyl Mestranol; 13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol; 13β-Ethyl-17α-ethynyl-3-methoxyestra-1,3,5(10)-trien-17β-ol
    Catalog No. : SA23724

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  • CAS No.: 68-22-4 - Levonorgestrel EP Impurity U

    Levonorgestrel EP Impurity U

    CAS No. : 68-22-4
    Synonyms : Norethisterone; 19-Norethisterone; 17α-Ethynyl-19-nortestosterone; 17-Hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one
    Catalog No. : SA23723

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  • CAS No.: 799-43-9 - Levonorgestrel EP Impurity T

    Levonorgestrel EP Impurity T

    CAS No. : 799-43-9
    Synonyms : 13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-2,5(10)-dien-20-yn-17-ol; (8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro- 1H-cyclopenta[a]phenanthren-17-ol
    Catalog No. : SA23722

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  • CAS No.: 176254-10-7 - Levonorgestrel EP Impurity S

    Levonorgestrel EP Impurity S

    CAS No. : 176254-10-7
    Synonyms : 13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol
    Catalog No. : SA23721

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  • CAS No.: 2322-77-2 - Levonorgestrel EP Impurity R

    Levonorgestrel EP Impurity R

    CAS No. : 2322-77-2
    Synonyms : Methoxygonadiene; 13-Ethyl-3-methoxygona-2,5(10)-dien-17-one
    Catalog No. : SA23720

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  • CAS No.: 1038-28-4 - Levonorgestrel EP Impurity Q

    Levonorgestrel EP Impurity Q

    CAS No. : 1038-28-4
    Synonyms : 13-Methoxy-18-methylestra-2,5(10)-dien-17β-ol
    Catalog No. : SA23719

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  • CAS No.: 100021-05-4 - Levonorgestrel EP Impurity P

    Levonorgestrel EP Impurity P

    CAS No. : 100021-05-4
    Synonyms : Δ5-Levonorgestrel; 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel; 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one
    Catalog No. : SA23718

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  • CAS No.: 155683-60-6 - Levonorgestrel EP Impurity O

    Levonorgestrel EP Impurity O

    CAS No. : 155683-60-6
    Synonyms : 4,5-Dihydro-5α-methoxylevonorgestrel; 13-Ethyl-17-hydroxy-5α-methoxy-18,19-dinor-17α-pregn-20-yn-3-one
    Catalog No. : SA23717

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  • CAS No.: 4222-96-2 - Levonorgestrel EP Impurity N

    Levonorgestrel EP Impurity N

    CAS No. : 4222-96-2
    Synonyms : Δ5(10)-Levodione; 13-Ethylgon-5(10)-ene-3,17-dione
    Catalog No. : SA23716

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  • CAS No.: 51087-61-7 - Levonorgestrel EP Impurity M

    Levonorgestrel EP Impurity M

    CAS No. : 51087-61-7
    Synonyms : Δ6-Levonorgestrel; Levonorgestrel 6,7-Dehydro Impurity; 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,6-dien-20-yn-3-one
    Catalog No. : SA23715

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  • CAS No.: 21800-83-9 - Levonorgestrel EP Impurity L

    Levonorgestrel EP Impurity L

    CAS No. : 21800-83-9
    Synonyms : Levodione; D-Ethyl Gonendione; 13-Ethylgon-4-ene-3,17-dione; (+)-13-β-Ethylgon-4-ene-3,17-dione; 18-Methyl-19-norandrost-4-ene-3,17-dione; 18-Methylestr-4-ene-3,17-dione
    Catalog No. : SA23714

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  • CAS No.: 1175109-63-3 - Levonorgestrel EP Impurity J

    Levonorgestrel EP Impurity J

    CAS No. : 1175109-63-3
    Synonyms : (+/-)-6-Keto Norgestrel; 6-Oxolevonorgestrel; 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yne-3,6-dione; (1S,2R,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-6-ene-5,8-dione
    Catalog No. : SA23713

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  • CAS No.: 20402-62-4 - Levonorgestrel EP Impurity I

    Levonorgestrel EP Impurity I

    CAS No. : 20402-62-4
    Synonyms : 10-Hydroxylevonorgestrel; 13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one; (1S,2S,10S,11S,14R,15S)-15-Ethyl-14-ethynyl-2,14-dihydroxytetracyclo[8.7.0.02,7.011,15]heptadec-6-en-5-one
    Catalog No. : SA23712

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  • CAS No.: 55555-97-0 - Levonorgestrel EP Impurity H

    Levonorgestrel EP Impurity H

    CAS No. : 55555-97-0
    Synonyms : 6β-Hydroxylevonorgestrel; 13-Ethyl-6β,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one; (6β,17α)-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one
    Catalog No. : SA23711

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  • CAS No.: 87585-03-3 - Levonorgestrel EP Impurity G

    Levonorgestrel EP Impurity G

    CAS No. : 87585-03-3
    Synonyms : 6α-Hydroxylevonorgestrel; 13-Ethyl-6α,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one; (6α,17α)-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one
    Catalog No. : SA23710

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  • CAS No.: 32419-58-2 - Levonorgestrel EP Impurity D

    Levonorgestrel EP Impurity D

    CAS No. : 32419-58-2
    Synonyms : 3-Deoxolevonorgestrel; 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol
    Catalog No. : SA23709

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  • CAS No.: 1337972-89-0 - Levonorgestrel EP Impurity C

    Levonorgestrel EP Impurity C

    CAS No. : 1337972-89-0
    Synonyms : 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol; (1S,10R,11S,14R,15S)-15-Ethyl-5,14-diethynyltetracyclo[8.7.0.02,7.011,15]heptadeca-5,7-dien-14-ol
    Catalog No. : SA23708

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  • CAS No.: 19914-67-1 - Levonorgestrel EP Impurity B

    Levonorgestrel EP Impurity B

    CAS No. : 19914-67-1
    Synonyms : 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one; (1S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.02,7.011,15]heptadec-2(7)-en-5-one
    Catalog No. : SA23707

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  • CAS No.: 110785-09-6 - Levonorgestrel EP Impurity A

    Levonorgestrel EP Impurity A

    CAS No. : 110785-09-6
    Synonyms : 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,8(14)-dien-20-yn-3-one
    Catalog No. : SA23706

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  • CAS No.: 1175110-92-5 - Levonorgestrel Acetate Delta-5 Impurity

    Levonorgestrel Acetate Delta-5 Impurity

    CAS No. : 1175110-92-5
    Synonyms : Δ5(6)-Didehydrolevonorgestrel acetate
    Catalog No. : SA23705

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  • CAS No.: 13732-69-9 - Levonorgestrel Acetate

    Levonorgestrel Acetate

    CAS No. : 13732-69-9
    Synonyms : D-(-)-Norgestrel 17-Acetate; Norgestimate USP Related Compound A; Levonorgestrel 17-Acetate; 17-Ethynyl-18-methyl-19-nortestosterone acetate; (17α)-17-(Acetyloxy)-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one
    Catalog No. : SA23704

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  • CAS No.: 797-63-7 - Levonorgestrel

    Levonorgestrel

    CAS No. : 797-63-7
    Synonyms : D-Norgestre; Dexnorgestrel; 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one; 17-Ethynyl-18-methyl-19-nortestosterone; (17α)-13-Ethyl-17-hydroxy -18,19-dinorpregn-4-en-20-yn-3-one
    Catalog No. : SA23703

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  • CAS No.: 40915-05-7 - Levonorgestrel 6-Hydroxy Impurity

    Levonorgestrel 6-Hydroxy Impurity

    CAS No. : 40915-05-7
    Synonyms : 6-Hydroxylevonorgestrel; 13-Ethyl-6,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one
    Catalog No. : SA23702

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  • CAS No.: 78088-19-4 - Levonorgestrel 5α-Dihydro Impurity

    Levonorgestrel 5α-Dihydro Impurity

    CAS No. : 78088-19-4
    Synonyms : 5α-Dihydrolevonorgestrel; (5α,17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-20-yn-3-one; (1R,2S,7S,10R,11S,14R,15S)-15-Ethyl-14-ethynyl-14-hydroxytetracyclo [8.7.0.02,7.011,15]heptadecan-5-one
    Catalog No. : SA23701

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  • CAS No.: 24908-87-0 - Levonorgestrel 3-Ethyldienol Ether

    Levonorgestrel 3-Ethyldienol Ether

    CAS No. : 24908-87-0
    Synonyms : 13β-Ethyl-3-ethoxy-17α-ethinylgona-3,5-dien-17β-ol
    Catalog No. : SA23700

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