Ethinylestradiol

Ethinylestradiol
Synonyms: NOVESTROL; NEO-ESTRONE; ETHYNYLESTRADIOL
CAS NO: 57-63-6
Molecular Weight: 296.41 
Molecular Formula: C20H24O2
Appearance: Off-White to Light-Yellow Crystalline Powder
Standard: USP28
Usage: A synthetic steroid with high oral estrogenic potency
Usage:
Synthesis and release of the goods can stimulate the pituitary gonadotropic hormone (FSH and LH), gonadotrophin, stimulate gonadal sex hormone release.
Description:
Ethinyl estradiol (EE) also sometimes written as ethinylestradiol, ethynyl estradiol, or ethinyl ?stradiol, is a derivative of 17β-estradiol (E2), the major endogenous estrogen in humans.EE is an orally bioactive estrogen used in many formulations of combined oral contraceptive pills.It is one of the most commonly used medications for this purpose.
Transdermal ethinyl estradiol carries a greater risk of clot formation and venous thromboembolism than naturally occurring 17β-estradiol, which some have theorized to be related to different amounts of hepatic metabolism after absorption.The same contraindications and precautions apply for EE as with other estrogen medications.
Estinyl was a preparation of EE alone that was used for the management of menopausal symptoms and female hypogonadism.
EE is released into the environment as a xenoestrogen from the urine and feces of people who take it as a medication.
The major concern with unopposed estrogen (without progestogen) is of endometrial cancer.As such, the medication is generally prescribed with progesterone in the setting of birth control

Application:
Ethinyl estradiol (EE), also sometimes written as ethinylestradiol, ethynyl
estradiol, or ethinyl estradiol, is aderivative of 17 beta-estradiol (E2), the major endogenous estrogen in humans. EE is an orally bioactive estrogen used in many formulations of combined oral contraceptive pills. It is one of the most
commonly used medications for this purpose.
Transdermal ethinyl estradiol carries a greater risk of clot formation and venous thromboembolism than naturally occurring 17β-estradiol, which some have theorized
to be related to different amounts of hepatic metabolism after absorption. The same contraindications and precautions apply for EE as with other estrogen medications.
     
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