Estriol

Estriol Synonyms: oestriol; 1,3,5(10)-Estratriene-3,16a,17b-triol CAS: 50-27-1 EINECS: 200-022-2 Assay: 97.0%-102.0%, USP30. Packing: foil bag or tin. Delivery: Express courier. Character: White crystalline powder. Usage: A metabolite of Estradiol. An estrogenic metabolite considerably less potent than the hormone Estradiol. pharmaceutical material, Steroid hormone, estrogen. Standards:USP27 Application: In pregnant women with multiple sclerosis, estriol reduces the disease's symptoms noticeably, according to researchers at UCLA's Geffen Medical School. Estriol can be a weak or strong estrogen depending on if it is given acutely or chronically when given to immature animals, but is an antagonist when given in combination with estradiol. Estriol may play a role in the development of breast cancer, but based on in vitro research, does appear to act as an antagonist to the G-protein coupled estrogen receptor. Though estriol is used as part of the primarily North American phenomenon of bioidentical hormone replacement therapy, it is not approved for use by the FDA or Health Canada. Though initial research in the 1970s suggested it could be used therapeutically as an estrogen, subsequent research failed to confirm this hypothesis. Superiority: We promise most of powders are in stock and free samples are available. We have Professional team special for package and shipment and staring on tracking code 24hours for customs pass guaranteed. High quality, reasonable price and fast and Safety delivery is always our pursuit. It is certainly that warm after-sale service for you. Any of your question would be solved for the first as soon as Possible. Commerce clause Minimum order quantity 1g Price Negotiable Packaging Details 1kg/foil bag or as required Lead time Within 12 hours after receiving the payment Shipping Fast and secure shipping by DHL,EMS,UPS,TNT, FedEx.. Payment Terms Western Union, MoneyGram, T/T .PayPal Supply Ability: Mass stock