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|Product Name:||Ethynyl Estradiol||Advantages:||Reship Policy|
|Type:||Pharmaceutical Intermediate||Appearance:||White Powder|
Pharma Raw Materials,
|Product Name:||Ethynyl estradiol|
|Product Categories:||-;progestogen estrogen;ESTINYL;Hormone Drugs;Inhibitors;Alcohols and Derivatives;Steroids;Acetylenes;Biochemistry;Functionalized Acetylenes;Hydroxysteroids;Intermediates & Fine Chemicals;Metabolites & Impurities;Pharmaceuticals|
Ethynyl estradiol (EE) is a synthetic form of estrogen that is majorly employed in numerous hormonal contraceptives in combination with progestins. Occasionally, it is also used as a constituent of menopausal hormone therapy with combination with progestins for treating menopausal symptoms. Previously, the drug was used solely for numerous indications such as treatment of prostate cancer and gynecological disorders.
Ethynyl estradiol is a semisynthetic alkylated estradiol with a 17-alpha-ethinyl substitution. It is normally administred orally and is marketed mostly as a combination oral contraceptive under various brand names such as Alesse, Tri-cyclen, Yasmin, and Triphasil. A black box warning is normally labelled on the packaging that states that the drug should not be used in smoking women who are over 35 years old as it can lead to increased risk of serious cardiovascular side effects.
Ethynyl estradiol was first developed in 1930 and officially introduced for medical used in 1943. In the 1960s, the drug was widely used in birth control pills. EE is currently found in most combined forms of birth control pills, which makes it one of the most used estrogens.
Ethynyl estradiol is a synthetic derivative of the natural estrogen estradiol. The drug is one of two widely used in oral contraceptive pills. Mestranol is the other drug that is normally converted to ethinyl estradiol before it becomes biologically active. EE is used together with norethindrone as an oral contraceptive agent.
The estrogen in the drug diffuse into their target cells before interacting with a protein receptor. Notably, target cells include the female reproductive tract, the hypothalamus, the mammary gland, and the pituitary. Estrogens act by increasing the hepatic synthesis of thyroid binding globulin (TBG), sex hormone binding globulin (SHBG) as well as other serum proteins. It also acts by suppressing follicle-stimulating hormone (FSH) from anterior pituitary. All these activities are initiated by fist binding to the estrogen receptors. The hypothalamic-pituitary system is suppressed by the combination of an estrogen with a progestin, which decreases the secretion of gonadorotropin-releasing hormone (GnRH).
Ethnynyl estradiol is majorly used to control pregnancy after sex as a contraception in combined oral contraceptives (COC), which are also referred to as birth control. EE is not only used in preventing pregnancy but is also employed in the treatment of absence of menstruation, acne, as well as symptoms during menstruation. It majorly works by preventing ovulation (the release of an egg) during the menstrual cycle. Further, it acts by making the vaginal fluid thicker to help in preventing sperm from fertilizing the released egg. It also changes the lining of the uterus to prevent attachment of a fertilized egg. EE also works by making the menstruation cycle more regular, decreasing blood loss and painful periods, and decreasing the risk of ovarian cysts.
EE is also used as menopausal hormone therapy (HRT) which has numerous benefits such as vaginal itching, vaginal dryness (which normally causes pain during sexual intercourse), and depressed mood. Previously, it was used as a constituent of feminizing hormone therapy for transgender women; however, the use of estradiol has largely superseded it in this therapy. The drug can also be used in preventing osteoporosis and in treating hypogonadism in women and has been used as palliative care for breast cancer in women and prostate cancer in men.
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