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Ethinylestradiol EP Impurity K

SZ CAT No SZ-E007012
CAS No 155683-61-7
Mol.F. C21H26O2
Mol.Wt. 310.4
Inv. Status In Stock


Chemical Name: 4-Methyl-19-nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol (as per EP)

Synonym: 4-Methyl Ethynyl Estradiol

Smiles: C[C@@]1([C@]2(O)C#C)[C@](CC2)([H])[C@@](CCC3=C4C=CC(O)=C3C)([H])[C@]4([H])CC1

Inchi: InChI=1S/C21H26O2/c1-4-21(23)10-8-18-16-6-5-14-12-15(22)11-13(2)19(14)17(16)7-9-20(18,21)3/h1,11-12,16-18,22-23H,5-10H2,2-3H3/t16-,17+,18+,20+,21+/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