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Aromatase Inhibitor Formestane Anti Estrogen Medicine Products Anti Cancer

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Aromatase Inhibitor Formestane Anti Estrogen Medicine Products Anti Cancer

Aromatase Inhibitor Formestane Anti Estrogen Medicine Products Anti Cancer
Aromatase Inhibitor Formestane Anti Estrogen Medicine Products Anti Cancer Aromatase Inhibitor Formestane Anti Estrogen Medicine Products Anti Cancer

Large Image :  Aromatase Inhibitor Formestane Anti Estrogen Medicine Products Anti Cancer

Product Details:
Place of Origin: CHINA
Brand Name: TINGYI
Certification: GMP , ISO 9001:2008
Model Number: CAS: 566-48-3
Payment & Shipping Terms:
Minimum Order Quantity: 10g
Price: Contact Us
Packaging Details: Stealth And Discreet Packaging
Delivery Time: Within 7 Working Days
Payment Terms: Bank Transfer - Bitcoin - Western Union - MoneyGram
Supply Ability: 300 KG/Month
Detailed Product Description
Other Name: Lentaron MF: C19H26O3
MW: 302.41 Storage Temp: 2-8°C
Density: 1.19 G/cm3 Melting Point: 199-202°C
Boiling Point: 475.4° C At 760mmHg Flash Point: 255.4° C
Refractive Index: 1.545 Appearance: White Solid
High Light:

anti estrogen products

,

anti estrogen drugs

 

Safe Steroidal Aromatase Inhibitor Formestane (Lentaron) Powder

 

 

Description:

 

Formestane is classified as a selective irreversible steroidal aromatase inhibitor. This agent is

 

structurally a derivative of androstenedione, differing from this well known prohormone only by the

 

addition of a 4-hydroxyl group. This group, however, is responsible for causing an irreversible

 

attachment between formestane and aromatase when the two come into contact with each other.

 

 

This means that formestane will bond with the enzyme and never let it go, permanently

 

deactivating it as a result. The enzyme will need to be replaced, through normal attrition, before

 

the body will recover its lost estrogen synthesizing capacity. This may take several days or more

 

following cessation of therapy. Given this mode of action, formestane is also referred to as a

 

"suicide" aromatase inhibitor, as the drug essentially sacrifices itself in the process of blocking

 

estrogen conversion. As a class of drugs, aromatase inhibitors are used (off-label) by male

 

bodybuilders and athletes to prevent the estrogenic side effects of certain anabolic/androgenic

 

steroids, and to increase fat loss and muscle definition while dieting.

 

 

Because of its potent estrogen-suppressing action, formestane has been used clinically to treat

 

breast cancer patients in a number of countries. It has been shown to be an effective option as a

 

second line of defense after tamoxifen, an estrogen receptor antagonist, has failed to elicit a

 

positive response with patients, and produces an overall response statistically similar to

 

tamoxifen when administered as the first-line therapy. In terms of overall potency, formestane is

 

not as strong as the selective third generation inhibitors like Arimidex (anastrozole) or Femara

 

(letrozole). One study, for example, notes a 79% level of suppression of estrogen levels with 4

 

weeks use of Arimidex 1 mg daily (on par with levels noted with Femara use), but only a 58%

 

level of suppression with intramuscular formestane injections (250 mg every two weeks). But next

 

to estrogen receptor antagonists like Clomid (clomiphene citrate) and Nolvadex (tamoxifen

 

citrate), formestane is significantly more effective at blocking the effects of estrogen in the body.

 

 

Application:
 

Formestane 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 identified.

 

 

Dosage:
 

The most common version of formestane sold was in a topical gel form and it was dosed at

 

100 - 200mgs per application. Users would apply it onto clean, dry skin and rub in thoroughly;

 

usually on the thighs or upper arms. It took 1 to 5 minutes to dry.
 

The injectable version for both breast cancer purposes and bodybuilders is 125mgs twice per

 

week or 250mgs once per week.

 
 
Lab Test Result:
 

 

Product Name

 

Formestane

 

Appearance

 

White Solid

 

Test Items

 

Specification

 

Results

 

Identification

 

By UV, To match with working standard

 

Complies

 

Related substances

 

Not more than 0.05%

 

Complies

 

Heavy metals

 

≤20ppm

 

10ppm

 

Loss on drying

 

<0.5%

 

0.1%

 

Resiue on ignition

 

≤0.1%

 

0.05%

 

Melting point

 

199-202°C

 

200°C

 

Assay (HPLC)

 

98~101%

 

99.2%

 

Conclusion

 

It conforms to EP Standard

 
 
Aromatase Inhibitor Formestane Anti Estrogen Medicine Products Anti Cancer 0
 

 

 

Anti-Estrogen Series
 

 

Tamoxifen Citrate (Nolvadex)

 

Dutasteride (Avodart)

 

Clomifene Citrate (Clomid)

 

Finasteride (Proscar)

 

Letrozole (Femara)

 

Formestane (Lentaron)

 

Toremifene Citrate (Fareston)

 

Cabergoline (Caber)

 

Exemestane (Aromasin)

 

Raloxifene Hydrochloride

 

Anastrozole (Arimidex)

 

Pramipexole

 

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