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| Product name | Estrone |
| CAS | 53-16-7 |
| MF | C18H22O2 |
| MW | 270.37 |
| Assay | 99% |
| Specification | USP31 |
| Appearance | white crystalline powder |
| usage | A metabolite of 17-Estradiol |
| Brand name | Greenbo |
| Packaging | as your requirement |
| payment | western unoin, money gram,T/T, PAYPAL |
a) Estrone is mainly as intermediate of Ethinyl Estradiol.
b) Estrone is one of Several Natural Estrogens, which also include estriol and estradiol. Estradiol is present almost always in the reproductive female body, and estriol is abundant primarily during pregnancy
Estrone was previously marketed in intramuscular and vaginal formulations and was used as an estrogen in the treatment of symptoms of hypoestrogenism such as hot flashes and atrophic vaginitis in menopausal orovariectomized women.[11] It has since been discontinued and is no longer available, having been superseded by other estrogens with greater potency and improved pharmacokinetics (namely oral bioavailability and duration).[4]Although estrone itself is no longer used medically, other marketed estrogens such as estradiol and estrone sulfateproduce estrone as a major metabolite.

Our Referance Specification for 99% BP/EP/USP standard
for more details, pls send the enquiry or contact us for COA,MSDS and certification
by mail:market(at)greenbo-biochem.com


a. Aluminum foil bag: 1 kg/bag, 2kg/bag, 5kg/bag, with plastic bags inside, aluminum bag outside;
b. Cardboard drum: 25 kgs/drum, with double layers plastic bags inside, external use cardboard drums.
c. Customized by customers.
The shipping term: can be by sea, by air, and sample or small quantity can be shippedby DHL, FEDEX, EMS and TNT.
Storage: Store in a well-closed container away from moisture and direct sun light.
Shelf Life: 2 years if store right.
a) Free sample can be supplied.
b) Guide our clients by professinal knowledge and teach them how to use our product after sales
c) Accpet SGS,BV any other third-party inspection before loading
d) High quality best price Guaranteed
Brief Introduction:



Q1:Why do you choose Greenbo Biochem as your partner?
A1.High quality can be guaranteed. Greenbo Biochem since 1990 are reputed API manufacturer and are Certified by ISO,GMP,FDA and have CEP/COS certification.Free sample can be arranged before shipment and SGS,BV and other third party inspection company are accepted before loading.For regular customers, we accept L/C payment term. If there is any quality problem after goods arrive. Greenbo Biochem will do fully payment refund.
A2. Best price can be guaranteed. As Greenbo Biochem are integrated pharmaceuticals and chemicals producer
the production cost can be controlled and price will be definitely more competitive than China trading companies.
A3.Professional engineer from Greenbo Biochem will give professional usage guide and services after sales.
Q2: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q3: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow(Alibaba).
Q4: 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 requests.
Q5: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.
Q6: How about delivery lead time?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Welcome to contact Greenbo at any time and send yr enquiry for furthur information of products and trade terms.
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