Round, pink biconvex tablet with 'W' debossed on one side and '912' debossed on the other.
Active ingredients, active moieties: Levonorgestrel 100 μg; ethinylestradiol 20 μg.
Loette 21 is a combined oral contraceptive (COC) tablet containing the synthetic progestin, levonorgestrel, and the synthetic estrogen, ethinylestradiol.
Physical characteristics: Levonorgestrel is a white, odorless, crystalline powder. It is practically insoluble in water, slightly soluble in alcohol, acetone, ether, and soluble in chloroform.
Ethinylestradiol is a white to creamy white, odorless, crystalline powder. It is insoluble in water and soluble in alcohol, chloroform, ether, vegetable oils, and aqueous solutions of alkali hydroxides.
Excipients/Inactive Ingredients: Microcrystalline cellulose, Lactose monohydrate, Magnesium stearate, Polacrilin potassium, Opadry pale pink YS-1-14587A, Polyethylene glycol 1450, Purified water, Wax E pharma.