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17a-Ethynylestriol

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Origin: China

Cas No: 4717-40-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 4717-40-2 Formula: C20H24O3 Molecular Weight: 312.40300

    Description

    A metabolite of 17α-Ethynylestradiol.

    Basic Info

    Chemical Name 17a-Ethynylestriol
    Synonyms

    17-ETHYNYLESTRADIOL;
    17-Ethynylestriol;

    CAS No. 4717-40-2
    Molecular Formula C20H24O3
    Molecular Weight 312.40300
    PSA 60.69000
    LogP 2.58340

    Properties

    Density 1.289g/cm3
    Boiling Point 479.15ºC at 760 mmHg
    Flash Point 221.633ºC
    Refractive Index 1.644

    Synthesis Route

    3,16α-diacetoxy-1,3,5(10)-estratrien-17-one+Ethynylmagnesium bromide→17a-Ethynylestriol

    Precursor

    Ethynylmagnesium bromide
    3,16α-diacetoxy-1,3,5(10)-estratrien-17-one

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