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Ethinylestradiol EP Impurity I

SZ CAT No SZ-E007010
CAS No 67703-68-8
Mol.F. C20H22O2
Mol.Wt. 294.4
Inv. Status In Stock


Chemical Name: 19-Nor-17α-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol (as per EP)

Synonym: 6,7-Dehydro Ethynyl Estradiol

Smiles: C#C[C@]1(O)CC[C@@]2([H])[C@]3([H])C=CC4=C(C=CC(O)=C4)[C@@]3([H])CC[C@]12C

Inchi: InChI=1S/C20H22O3/c1-3-20(23)18(22)11-17-16-6-4-12-10-13(21)5-7-14(12)15(16)8-9-19(17,20)2/h1,5,7,10,15-17,21,23H,4,6,8-9,11H2,2H3/t15-,16-,17+,19+,20+/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