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Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> (17α)-17-Hydroxy-3-oxo-19-norpregna-5(10),9(11)-diene-21-nitrile
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(17α)-17-Hydroxy-3-oxo-19-norpregna-5(10),9(11)-diene-21-nitrile

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Origin: China

CasNo: 106111-42-6

specification: 99%min

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Supply Ability: 80 mt/month

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  • Products Specification
  • Description

  • Property

    CAS No.: 106111-42-6 Formula: C20H25NO2 Molecular Weight: 311.41800

    Description

    Nortestosterone derivative. Often found as an impurity in Dienogest.

    Basic Info

    Chemical Name (17α)-17-Hydroxy-3-oxo-19-norpregna-5(10),9(11)-diene-21-nitrile
    Synonyms

    2-[(8S,13S,14S,17R)-17-hydroxy-13-methyl-3-oxo-1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile;

    CAS No. 106111-42-6
    Molecular Formula C20H25NO2
    Molecular Weight 311.41800
    PSA 61.09000
    LogP 3.83718

    Synthesis Route

    3,3-dimethoxy-17α-cyanomethyl-17β-hydroxy-estra-5(10),9(11)-diene→(17α)-17-Hydroxy-3-oxo-19-norpregna-5(10),9(11)-diene-21-nitrile
    3,3-dimethoxy-17α-cyanomethyl-17β-hydroxy-estra-5(10),9(11)-diene→(17α)-17-Hydroxy-3-oxo-19-norpregna-5(10),9(11)-diene-21-nitrile+dienogest
    dienogest→(17α)-17-Hydroxy-3-oxo-19-norpregna-5(10),9(11)-diene-21-nitrile

    Precursor

    3,3-dimethoxy-17α-cyanomethyl-17β-hydroxy-estra-5(10),9(11)-diene
    3,3-dimethoxy-estra-5(10),9(11)-diene-17-one
    dienogest

    Downstream Product

    2-[(8S,13S,14S,17R)-11-hydroperoxy-17-hydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile
    2-[(8S,11S,13S,14S,17R)-11,17-dihydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile

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