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Aromatase Inhibitor Formestan Cancer Treatment Steroids CAS 566-48-3 Formestane Anti Estrogen

China Yuantong Biotechnology Co.,Ltd certification
China Yuantong Biotechnology Co.,Ltd certification
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Aromatase Inhibitor Formestan Cancer Treatment Steroids CAS 566-48-3 Formestane Anti Estrogen

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Large Image :  Aromatase Inhibitor Formestan Cancer Treatment Steroids CAS 566-48-3 Formestane Anti Estrogen

Product Details:
Place of Origin: China
Brand Name: Keray
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: Keray Product Name: Formestan,Formestane,Aromatase Inhibitor ,Anti Estrogen Steroids ,Cancer Treatment Steroids,566-48-3,
Assay: 99.3 % Standard: USP35
High Light:

steroids for cancer treatment


anti cancer drugs

1.  Quick Detail:


Aromatase Inhibitor Formestan Cancer Treatment Steroids CAS 566-48-3 Formestane Anti Estrogen Steroids 

2.  Description:


English name: 4-androsten-4-ol-3,17-dione
English Name: Formestane; B, Aromatase inhibitor; 4-hydroxyandrost-4-ene-3,17-dione; (8xi, 9xi, 14xi) -4-methylandrost-4-ene-3,17-dione
CAS: 566-48-3
Formula: C20H28O2
MW: 300.4351
Molecular Structure:


Aromatase Inhibitor Formestan Cancer Treatment Steroids CAS 566-48-3 Formestane Anti Estrogen 0

Density: 1.1g / cm3
Boiling point: 435.1 ° C at 760 mmHg
Flash Point: 162.4 ° C
Vapor Pressure: 9.02E-08mmHg at 25 ° C
Uses:Used as an aromatic enzyme inhibitor


Appearance:white powder

3.  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



4.  Applications:



5.  Our Competitive Advantage:
Professional Manufacture: Shenzhen Keray biotech CO., LIMITED
is a legit and professional pharmaceutical manufacturer specialized in steroid hormone powders, steroid
injectable liquids, peptides,pharmaceutical raw materials & its intermediate. 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.

For more information, please contact Sylvia.
Email: silvia.young@outlook.com
Phone: +86 13418710728
Whatsapp/Skype: +86 13418710728.


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