WELLGREEN has over ten years manufacturing experience for Estriol,1,3,5(10)-Estratriene-3,16a,17b-triol; Estra-1,3,5(10)-triene-3,16alpha,17beta-triol for cosmetic, women health care and enlarged prostate, prostate cancer in China, it is able to supply you top quality Estriol, 1,3,5(10)-Estratriene-3,16a,17b-triol; Estra-1,3,5(10)-triene-3,16alpha,17beta-triol with competitive price.
The ovary produces a form named estradiol, which is converted into another important estrogen called estrone. Estriol is yet another form of estrogen metabolized from estradiol, weaker than the other two, but still active. Although estriol is most commonly linked to pregnancy since it is produced in the most measurable amounts at that time, it is still present throughout a woman's lifetime at varying levels and fluctuate throughout the day.
Synonyms: 1,3,5(10)-Estratriene-3,16a,17b-triol; Estra-1,3,5(10)-triene-3,16alpha,17beta-triol
CAS NO.: 50-27-1
Appearane: White or almost white crystalline powder
Molecular Weight: 288.38
Melting Point: 281-282℃
White or almost white crystalline powder
Specific optical rotation
Practically soluble in water
sparingly soluble in ethanol
(96 per cent)
Loss on drying
Impurity A ≤ 0.5%
Impurities B,C,D,E,F,G ≤0.5%
Sum of impurities other than A≤1.0%
Disregard limit≤ 0.05%
Non specific impurities≤ 0.05%
97.0 ~ 103.0%
Conform to USP38
Used in the treatment of leucopenia disease, also have certain curative effect to an enlarged prostate, prostate
1. For cervicitis, especially for the menopausal syndrome, senile vaginitis.
2. used as a supplementary drug trimester abortion and abortion.
3. for enlarged prostate, prostate cancer and the like.
4. rapid increase peripheral leukocytes role, generally 1 to 3 after treatment began to take effect, but the effect of short duration. Chemotherapy or radiotherapy-induced leukocyte reduction effective.
5. can reduce vascular permeability and fragility, can be used to treat a variety of bleeding, menorrhagia, hysterectomy or tonsils, are fast hemostasis.
Delivery time :
Around 3-5 working days after your payment.
1kg/Alu foil bag, 5kg/Tin
T/T or Western Union or Paypal
Stored in dry and cool place, keep away from strong light and heat.
Shelf Life :
Two years when properly stored.
Wellgreen Technology Co.,Ltd is a high - tech corporation and ISO9001: 2008 quality management system certification specializing in the production of nutritional supplements, herbal essence, steroids and its intermediates pharmaceutical industry. We insist the principle of Top quality, Excellent service, Outstanding technology innovation, Constantly development and the goal of To be well in the green life.
Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your request
Q3:What’s your MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q5:Is there a discount?
A:Different quantity has different discount.
Q6: How to contact us ?
A:You can chat with us by Trademanager,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us.
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Wellgreen Technology Co.,Ltd
Add: 605 Building B,Oak Block, No.36 Fenghui Nan Road, Xi'an, China
Tel: +86-29-88453375 / 89388326
Fax: + 86-29-88352329