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Anti-Estrogen Aromatase Inhibitor Exemestane Aromasin Powder CAS 107868-30-4

Categories Anti Estrogen Steroids
Brand Name: TINGYI
Model Number: CAS: 107868-30-4
Certification: GMP , ISO 9001:2008
Place of Origin: CHINA
MOQ: 10g
Price: Contact Us
Payment Terms: Bank Transfer - Bitcoin - Western Union - MoneyGram
Supply Ability: 300 KG/Month
Delivery Time: Within 7 Working Days
Packaging Details: Stealth And Discreet Packaging
Other name: Aromasin
MF: C20H24O2
MW: 296.4
MP: 155.13°C
Storage temp: Store at -20°C
Function: Anti-Estrogen
Appearance: White crystalline powder, odorless
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    Anti-Estrogen Aromatase Inhibitor Exemestane Aromasin Powder CAS 107868-30-4

    Effective Aromatase Inhibitor Exemestane / Aromasin Powder


    Exemestane is a steroidal Aromatase Inhibitor (AI) that is most commonly known as Aromasin. In

    fact, the Aromasin brand name is the only pharmaceutical grade brand of the Exemestane AI due

    to the tight patent Upjohn has maintained on the product. While tightly controlled by the

    pharmaceutical giant, Aromasin is available in numerous countries around the globe.

    The primary purpose of use as with most AI's would be to combat breast cancer in post-

    menopausal women. Shortly after, the AI would begin to gain a lot of popularity among anabolic

    steroid users for its ability to protect against estrogenic related side effects. This action is very

    similar to the older and more popular AI's in Arimidex and Femara It would also gain a fair

    amount of popularity in Post Cycle Therapy (PCT) plans among steroid users. It was not the first

    AI to gain such popularity but would prove to be a little more advantageous for this purpose than

    most AI's.

    Aromasin is officially classified as a steroidal suicide Aromatase Inhibitor, and carries the ability

    to inhibit the aromatase enzyme, which is responsible for the production or conversion of

    testosterone to estrogen. Aromasin has the ability to block aromatization, which in turn inhibits the

    production of estrogen, and thereby lowers the body's serum estrogen levels. This will prove

    useful to breast cancer patients as breast cancer often feeds off the estrogen hormone. It will also

    prove useful to the anabolic steroid user.

    Many anabolic steroids have the ability to increase estrogen levels due to the aromatase

    process, specifically the conversion of testosterone to estrogen. This can lead to gynecomastia

    and water retention. Excess water retention can also promote high blood pressure when it

    becomes severe. Steroids that do not carry a strong estrogenic nature can also cause these

    effects, most notably gynecomastia if they carry a progestin nature. A prime example would be

    Nandrolone, which while it aromatizes only does so at 20% the rate of testosterone. However, it

    also carries a strong progestin nature, and progesterone has been well noted for carrying the

    ability to stimulate the estrogenic mechanism in the mammary tissue. By administering Aromasin

    during the use of anabolic steroids, this will inhibit the aromatase process, lower estrogen levels

    and protect the individual from estrogenic side effects. The product claims on average to have

    the ability to lower serum estrogen levels by 85%.


    Exemestane is used to fight breast cancer and raise testosterone in the body.

    Exemestane blocks the process of aromatisation. So it lowers the amount of estrogen in the

    body. In early breast cancer, taking exemestane can help to stop breast cancer coming back. In

    advanced breast cancer the cancer cells may grow more slowly or stop growing completely.

    It blocks the enzyme aromatase, which is used to convert androgens into estrogen. In the

    absence of estrogen, tumors dependent on this hormone for growth will shrink


    1. It is one of the most powerful estrogen suppressing compounds.

    2. It is one of the best compounds to lower the aromatizing effect of steroids.

    3. It is available for body builders taking anabolic steroids.

    4. It acts by blocking the enzyme aromatase, subsequently blocking the production of estrogen.

    5. It is also a kind of antineoplastic (hormonal) raw materials.

    Lab Test Result:

    Test ItemsSpecificationResults
    DescriptionWhite crystalline powder, odorlessConforms
    SolubilityEasily soluble in water, unsoluble in ethanolConforms
    Solution clarity and colorsolution should be clear and colorlessConforms

    Related substances

    5’CMP 0.3%
    Simple impurity
    Total other impurity
    Loss on drying≤6.0%1.3%
    Heavy metals0.002%Conforms
    Bacterial Endotoxins0.3EU/mgConforms
    Microbial LimitConformsConforms
    Assay(on dried basis)≥98.0%99.8%

    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)


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