SPL Set ID: 2c2a37e1-adaf-4947-abb1-736bfa58bf98
1 drug(s) with this SPL Set ID
Norethindrone acetate and ethinyl estradiol tablets are a continuous dosage regimen of a progestin-estrogen combination for oral administration. The following two strengths of norethindrone acetate and ethinyl estradiol tablets are available: 0.5 mg/2.5 mcg: Each round light yellow tablet contains 0.5 mg norethindrone acetate and 2.5 mcg ethinyl estradiol; debossed with N1 on one side. 1 mg/5 mcg: Each round white tablet contains 1 mg norethindrone acetate and 5 mcg ethinyl estradiol; debossed with N2 on one side. Each white tablet also contains lactose monohydrate, pregelatinized starch, polyethylene glycol, magnesium stearate, ethyl cellulose, vitamin E, titanium dioxide, hypromelloses, macrogol/PEG, triacetin, polydextrose. Each light yellow tablet also contains lactose monohydrate, pregelatinized starch, polyethylene glycol, magnesium stearate, ethyl cellulose, vitamin E, iron oxide yellow, iron oxide black, talc, polyvinyl alcohol, titanium dioxide, lecithin (soya). The structural formulas are as follows. Norethindrone Acetate [19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-, (17α)-]; Molecular Weight: 340.47 Molecular Formula: C22H28O3 Ethinyl Estradiol [19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17α)-]; Molecular Weight: 296.41 Molecular Formula: C20H24O2 Chemical Structure Chemical Structure