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Oestrone; E1; 3-Hydroxyestra-1,3,5(10)-trien-17-one
MOQ: As your required
Estrone (E1), also spelled oestrone, is a steroid, a weak estrogen, and a minor female sex hormone. It is one of three major endogenous estrogens, the others being estradiol and estriol. Estrone, as well as the other estrogens, are synthesized from cholesterol and secreted mainly from the gonads, though they can also be formed from adrenal androgens in adipose tissue. Relative to estradiol, both estrone and estriol have far weaker activity as estrogens. Estrone can be converted into estradiol, and serves mainly as a precursor or metabolic intermediate of estradiol.
In addition to its role as a natural hormone, estrone has been used as a medication, for instance in menopausal hormone therapy.
Estrone has been available as an injected estrogen for medical use, for instance in hormone therapy for menopausal symptoms.
White or almost white crystalline powder
Packing and Delivery:
Delivery Time: Within 24 hours after receiving your payment
Payment Terms: Western Union, MoneyGram, T/T，L/C
Packing: foil bag or tin.
Package: Discreet Packing ways for your choice.
Well disguised packing. Fast and secure delivery by DHL, FedEx, HKEMS, UPS, etc.
Any Inquiries will be replied within 24 hours.
Any questions or problems after receiving the product, please feel free to contact us. Problems would be solved immediately.
Exclusive customer service and we always online if you need any help.Our after-sales service is also helpful.
1. Rich experience: Our company is a professional production leading factory in China in pharmaceutical area of many years.
2. Top quality: High quality guaranteed, once any problem is found, the package would be reshipped for you .
3. Security Shipping: Shipping by express (FedEx,UPS,DHL,EMS), by air. The most professional forwarder would be recommanded for you.
4. Fast delivery: We have stock, so we can delivery quickly once payment is received.
5. Quality service: We will give you warm after-sale service,if any question we will reply you within 24 hours.
6. Competitive prices: A discount would be given when you make a large order.
Any other question, please feel free to contact me.