IUPAC Name: (8R,9S,13S,14S,17R)-17-ethynyl-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol

Source: Used as an estrogen medication as an oral contraceptive and in hormone therapy.

Summary: Mestranol is an estrogen medication used in the form of birth control and hormone therapy. It has very low solubility in water at 1.132 mg/L at 25 C. A Koc value of 22,000 indicate that it will be immobile within soil. Adsorption to suspended solids within water is expected to be high. Bioaccumulation in organisms is expected to be high.

GHS Hazard Statement: H302, H312, H315, H319, H332, H351, H362, GHS07, GHS08