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Oral / Injectable Anti Estrogen Steroids White Powder Lentaron CAS 566-48-3 Formestane

China Yuantong Biotechnology Co.,Ltd certification
China Yuantong Biotechnology Co.,Ltd certification
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Oral / Injectable Anti Estrogen Steroids White Powder Lentaron CAS 566-48-3 Formestane

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Large Image :  Oral / Injectable Anti Estrogen Steroids White Powder Lentaron CAS 566-48-3 Formestane

Product Details:
Place of Origin: China
Brand Name: GC
Certification: KOSHER/ISO9001/SGS
Model Number: 566-48-3
Payment & Shipping Terms:
Minimum Order Quantity: 10g
Price: Negotiation
Packaging Details: Discreet and Safe Packages
Delivery Time: After receipt of your payment
Payment Terms: Western Union,Money Gram or T/T
Supply Ability: 500 kg per month
Detailed Product Description
Manufacturer: GC Product Name: Lentaron,566-48-3,Formestane,Anti Estrogen Steroids,
Assay: 99.3% Standard: USP35
Contact Person: Lynn Email: Beststeroids@chembj.com
Skype: Best.steroids Phone: 852-23866694
Mobile: 852-53617701
High Light:

anti estrogen steroid


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1.  Quick Detail:

Anti Estrogen Steroids White Powder Lentaron CAS 566-48-3 Formestane

2.  Description:

Product name: Formestane

Alias: Lentaron; 4-hydroxy-androst-4-ene-17-dione; 4-hydroxy-delta(sub4)-androstenedione

CAS register number: 566-48-3

Molecular formula: C19H26O3

Melting point: 199-202°C

Assay: 98.9%

Molecular structure:


Formestane Muscle Building Steroids Lentaron Aromatizing  For Breast Cancer


3.  Applications:

Formestane (Lentaron) is a type I, steroidal aromatase inhibitor. It is used in the treatment of estrogen-

receptor positive breast cancer in post-menopausal women. It is available as an intramuscular depot

 injection.Formestane is often used to suppress estrogen production from anabolic steroids or 

prohormones.It also acts as a prohormone to 4-hydroxytestosterone, an active steroid which displays

 weak androgenic activity in addition to acting as a mild aromatase inhibitor.Formestane has poor oral 

bioavailability and as such is no longer popular as many orally active aromatase inhibitors have been iden


4.  Specification:







    White or Almost White Crystalline Powder

white powder







Specific Rotation



Loss On Drying



Melting Point



Organic Volatile Impurities

    meets the requirement.


Related Substances

    meets the requirement.


Residual Solvents

    meets the requirement.


Particle Size

    100% ≤ 20 microns



The specification conform with USP35 standard



5.  Our Competitive Advantage:
is a legit and professional pharmaceutical manufacturer specialized in steroid hormone powders, steroid
injectable liquids, peptides,pharmaceutical raw materials & its intermediate.Our factory is in Nanhu Shouyi
Industrial District, just by the side of the beautiful South Lake in Wuhan. Our company integrates R&D,
producing, operating and marketing into an organic whole. All products are produced under
GMP conditions according to Standard Operation Procedure(SOP),not from little underground labs or black markets, so the quality is guaranteed. We have authority of export and import, and have experience of export for more than 10 years.

Minimum Order: 10-100 grams.our min packing of each powder is 10g or 100g, but some expensive powder can be bought at several grams.

Payment Method: Western Union,Money Gram,T/T.
Professional Delivery: By courier ( EMS, DHL, Fedex, UPS,TNT) is prefered, bulk order can be negotiated.5-7 business days delivery in timely manner. Tracking No. is available ,we can provide you latest tracking of our customers to check validity of delivery if you need.

Discreetly Packing: Safe and professional disguised package can be guaranteed.

Plenty In Stock: Most of powders are in stock.We export over 1000 kilograms of steroid powder per month.

High Delivery Rate: Our goods packing will not contain any hormone information and can be sent out from different areas of china. At present,the goods customs clearance rate we send to United states and Europe is 99%,  As for Canada, Brazil of quite high buckle close rate area, we also have a new way to get through the customs. We also have completely re-send policy to some areas.

The more details of our product, please feel free to contact us!

Contact Person: Lynn
Email : beststeroids@chembj.com
Skype : best.steroids
Phone : 852-23866694
Mobile : 852-53617701

Contact Details
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