Ethinylestradiol CAS NO: 57-63-6

CAS: NO. 57-63-6

Molecular Formula: C20H24O2

Molecular Weight: 296.41

Standard: USP30

Appearance: White powder

Melting Point: 180~186

Loss on drying: ≤ 1.0%

Assay: 97.0~102.0

Packing: 5kg/tin

Description

Ethinylestradiol is a man-made form of the naturally occurring female hormone called oestrogen. It is prescribed to treat period (menstrual) problems, and also to help ease menopausal symptoms. It is usually prescribed alongside another female hormone called a progestogen.

Ethinyl estradiol 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.

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.

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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