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Norethindrone EP Impurity G

SZ CAT No SZ-N012007
CAS No 38673-36-8
Mol.F. C20H26O2
Mol.Wt. 298.4
Inv. Status Under Synthesis

Chemical Name: 17-hydroxy-19-norpregn-4-en-20-yn-3-one (as per EP)

Synonym: 17-epi-norethisterone ; Norethindrone 17-epi-Impurity ; 18-Methyllevonorgestrel

Smiles: C[C@@]1([C@@]2(O)C#C)[C@](CC2)([H])[C@@](CCC3=CC4=O)([H])[C@]([C@@]3([H])CC4)([H])CC1

Inchi: InChI=1S/C22H30O2/c1-4-22(23)13-11-20-19-8-6-15-14-16(24-5-2)7-9-17(15)18(19)10-12-21(20,22)3/h1,6,14,17-20,23H,5,7-13H2,2-3H3/t17-,18+,19+,20-,21-,22-/m0/s1

Method development and validation of norethindrone acetate assay and its related impurities in API and pharmaceutical formulation with ortogonal detector technques
By Satish, J.; Radhakrishnanand, P.; Babu, K. Surendra
From International Journal of Pharmacy and Pharmaceutical Sciences (2017), 9(12), 110-118
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
Development and validation of method for the determination of related substances of norethindrone in norethindrone tablets and degradation studies
By Murali Krishna, P.; Thirupathi Rao, B.; Kishore Kumar, R.; Venkateswarlu, P.
From International Journal of ChemTech Research (2011), 3(1), 143-148