Chemical Name: 17-Hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one (as per EP & USP)
Synonym: Levonorgestrel EP Impurity U
Smiles: O=C1CC[C@]2([H])[C@@]3([H])CC[C@]4(C)[C@](O)(C#C)CC[C@@]4([H])[C@]3([H])CCC2=C1
Inchi: InChI=1S/C16H18O3/c1-4-19-16(17)11(2)12-5-6-14-10-15(18-3)8-7-13(14)9-12/h5-11H,4H2,1-3H3/t11-/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