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CAS 19914-67-1: 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one

Formula:C21H28O2
InChI:InChI=1/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,17-19,23H,3,5-13H2,1H3/t17?,18-,19?,20+,21+/m1/s1
Synonyms:
  • 17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one
  • 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(Levonorgestrel Impurity B)
  • EP Levonorgestrel Impurity B
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Found 5 products.
  • 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP

    Controlled Product
    CAS:
    Please enquire for more information about 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP including the price, delivery time and more detailed product information at the technical inquiry form on this page
    Formula:C21H28O2
    Purity:Min. 95%
    Molecular weight:312.45 g/mol

    Ref: 3D-IE23089

    5mg
    189.00€
    10mg
    303.00€
    25mg
    569.00€
    50mg
    958.00€
    100mg
    1,694.00€
  • 13-Ethyl-17-hydroxy-18,19-dinor-17Alpha-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)

    Controlled Product
    CAS:
    Impurity Levonorgestrel EP Impurity B Applications 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (Levonorgestrel EP Impurity B) is an impurity of Levonorgestrel. References McGinty, D., et al.: Endocrinology, 24, 829 (1939), Belanger, A., et al.: Steroids, 37, 361 (1981), Nieman, L., et al.: J. Clin. Endocrinol. Metab., 61, 536 (1985), Klebe, G., et al.: J. Med. Chem., 37, 4130 (1994),
    Formula:C21H28O2
    Color and Shape:Neat
    Molecular weight:312.45

    Ref: TR-E918935

    5mg
    198.00€
    10mg
    244.00€
    25mg
    530.00€
  • Levonorgestrel EP Impurity B

    CAS:
    Formula:C21H28O2
    Color and Shape:White To Off-White Solid
    Molecular weight:312.45

    Ref: 4Z-L-2219

    5mg
    421.00€
    10mg
    709.00€
    25mg
    1,152.00€
    50mg
    1,898.00€
    100mg
    2,982.00€
  • Levonorgestrel EP Impurity B

    CAS:
    Formula:C21H28O2
    Molecular weight:312.45

    Ref: ST-EA-CP-L19002

    10mg
    To inquire
    25mg
    To inquire
    50mg
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    100mg
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  • Levonorgestrel impurity B

    CAS:
    Formula:C21H28O2
    Purity:95%~99%
    Molecular weight:312.453

    Ref: BP-BPI023

    10mg
    136.00€
    20mg
    213.00€
    100mg
    745.00€