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Ethinylestradiol Impurity 2

SZ CAT No SZ-E007019
CAS No 303014-87-1
Mol.F. C40H46O4
Mol.Wt. 590.8
Inv. Status Custom Synthesis


Chemical Name: [4,​4'-​Bi-​19-​norpregna-​1,​3,​5(10)​-​trien-​20-​yne]​-​3,​3',​17,​17'-​tetrol, (17α)​-​(17'α)​- (9CI)

Smiles: C[C@@]12[C@](CC[C@]2(C#C)O)([H])[C@]3([H])CCC4=C(C5=C(CC[C@]6([H])[C@]7([H])CC[C@@]8(C)[C@@]6([H])CC[C@]8(C#C)O)C7=CC=C5O)C(O)=CC=C4[C@@]3([H])CC1

Inchi: InChI=1S/C20H24O4/c1-3-19(22)9-8-16-17-6-4-13-12-14(21)5-7-15(13)20(17,24-23)11-10-18(16,19)2/h1,5,7,12,16-17,21-23H,4,6,8-11H2,2H3/t16-,17-,18-,19-,20?/m0/s1

Reversed-​phase high-​performance liquid chromatographic determination of Norethindrone acetate and ethinyl estradiol in pharmaceutical formulation
By Koneru, Ajitha; Kimbahune, Ritu; Mubeen, G.; Lalitha, N.; Chakraborty, Krishnasis
From Indo American Journal of Pharmaceutical Research (2015), 5(6), 2442-2449
 
Analytical method development and validation for simultaneous determination and quantification of Ethinyl Estradiol and Gestodene in combined tablet dosage form by RP-​HPLC
By Nautiyal, Kanchan; Ramakrishna, K.
From Journal of Chemical and Pharmaceutical Research (2014), 6(10), 74-80
 
Simultaneous determination of ethinyl estradiol and drospirenone in oral contraceptive by high performance liquid chromatography
By Silva, Viviane Benevenuti; Galdos, Angel Arturo Gaona; Mothe, Cintia Maria Alves; Pallastrelli, Michele Bacchi; Prado, Maria Segunda Aurora; Singh, Anil Kumar; Kedor-Hackmann, Erika Rosa Maria; Santoro, Maria Ines Rocha Miritello
From Brazilian Journal of Pharmaceutical Sciences (2013), 49(3), 521-528
 
New oxidative decomposition mechanism of estradiol through the structural characterization of a minute impurity and its degradants
By Beni, Zoltan; Hada, Viktor; Varga, Emese; Maho, Sandor; Aranyi, Antal; Szantay, Csaba, Jr.
From Journal of Pharmaceutical and Biomedical Analysis (2013), 78-79, 183-189