Levonorgestrel

API

N° CAS 797-63-7

Sex hormones and modulators of the genital system

• Levonorgestrel is a synthetic progestogen with a contraceptive effect by blocking ovulation.
• White to off-white crystalline powder.
• It is a progestogen, that is, an agonist of the progesterone receptor, the main biological target of the progestogen sex hormone, progesterone. It is also a weak agonist of the androgen receptor, the main biological target of the sex hormone androgen testosterone.