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Ethinylestradiol Impurity 3

SZ CAT No SZ-E007020
CAS No 303014-88-2
Mol.F. C40H46O4
Mol.Wt. 590.8
Inv. Status Custom Synthesis

Chemical Name: [2,​2'-​Bi-​19-​norpregna-​1,​3,​5(10)​-​trien-​20-​yne]​-​3,​3',​17,​17'-​tetrol, (17α)​-​(17'α)​- (9CI)

Smiles: OC1=C(C2=C(O)C=C(CC[C@]3([H])[C@]4([H])CC[C@@]5(C)[C@@]3([H])CC[C@]5(C#C)O)C4=C2)C=C6C(CC[C@]7([H])[C@]6([H])CC[C@@]8(C)[C@@]7([H])CC[C@]8(C#C)O)=C1

Inchi: InChI=1S/C40H46O4/c1-5-39(43)21-17-31-27-7-9-29-23(25(27)15-19-37(31,39)3)11-13-33(41)35(29)36-30-10-8-28-26(24(30)12-14-34(36)42)16-20-38(4)32(28)18-22-40(38,44)6-2/h1-2,11-14,25-28,31-32,41-44H,7-10,15-22H2,3-4H3/t25-,26-,27-,28-,31+,32+,37+,38+,39+,40+/m1/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