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Norethindrone 4,5a-Dihydro Impurity

SZ CAT No SZ-N012010
CAS No 52-79-9
Mol.F. C20H28O2
Mol.Wt. 300.4
Inv. Status Custom Synthesis

Chemical Name: 17α-Ethynyl-17β-hydroxy-5α-estran-3-one

Synonym: 5α-Dihydronorethindrone

Smiles: O[C@@]1(C#C)CC[C@@]2([H])[C@]3([H])CC[C@@]4([H])CC(CC[C@]4([H])[C@@]3([H])CC[C@]12C)=O

Inchi: InChI=1S/C23H32O2/c1-5-23(24)13-11-21-20-8-6-16-14-17(25-15(2)3)7-9-18(16)19(20)10-12-22(21,23)4/h1,6,14-15,18-21,24H,7-13H2,2-4H3/t18-,19+,20+,21-,22-,23-/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