SPL Set ID: c1fc22e5-e02d-4dda-a9ac-c592e922c467

Tri-Sprintec ® (norgestimate and ethinyl estradiol tablets USP) is a combination oral contraceptive containing the progestational compound norgestimate, USP and the estrogenic compound ethinyl estradiol, USP. Each gray tablet contains 0.18 mg of the progestational compound, norgestimate, USP (18,19-Dinor-17-pregn-4-en-20-yn-3-one, 17-(acetyloxy)-13-ethyl-, oxime, (17α)-(+)-) and 0.035 mg of the estrogenic compound, ethinyl estradiol, USP (19-Nor-17α-pregna,1,3,5(10)-trien-20-yne-3, 17-diol), and the inactive ingredients include anhydrous lactose, lactose monohydrate, lake blend black LB 636 (ingredients include aluminum sulfate solution, aluminum-chloride solution, FD&C blue no. 2, FD&C red no. 40, FD&C yellow no. 6, sodium bicarbonate and sodium carbonate), magnesium stearate, and pregelatinized corn starch. Each light blue tablet contains 0.215 mg of the progestational compound norgestimate, USP (18,19-Dinor-17-pregn-4-en-20-yn-3-one,17-(acetyloxy)-13-ethyl-, oxime, (17α)-(+)-) and 0.035 mg of the estrogenic compound, ethinyl estradiol, USP (19-Nor-17α-pregna,1,3,5(10)-trien-20-yne-3, 17-diol), and the inactive ingredients include anhydrous lactose, FD&C blue no. 2 aluminum lake (ingredients include aluminum sulfate solution, aluminum-chloride solution, FD&C blue no. 2, sodium bicarbonate and sodium carbonate), lactose monohydrate, magnesium stearate, and pregelatinized corn starch. Each blue tablet contains 0.25 mg of the progestational compound norgestimate, USP (18,19-Dinor-17-pregn-4-en-20-yn-3-one, 17-(acetyloxy)-13-ethyl-, oxime, (17α)-(+)-) and 0.035 mg of the estrogenic compound, ethinyl estradiol, USP (19-Nor-17α-pregna,1,3,5(10)-trien-20-yne-3, 17-diol), and the inactive ingredients include anhydrous lactose, FD&C blue no. 2 aluminum lake (ingredients include aluminum sulfate solution, aluminum-chloride solution, FD&C blue no. 2, sodium bicarbonate and sodium carbonate), lactose monohydrate, magnesium stearate, and pregelatinized corn starch. Each white tablet contains only inert ingredients as follows: anhydrous lactose, hypromellose, magnesium stearate, and microcrystalline cellulose. The structural formulas are as follows: Norgestimate C23H31NO3 M.W. 369.50 C23H31NO3 M.W. 369.50 Ethinyl Estradiol C20H24O2 M.W. 296.40 C20H24O2 M.W. 296.40 Norgestimate Structure Ethinyl Estradiol Structure