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Effective Femara Anti Estrogen Steroids Letrozole Raw Powders for Cancer Treatment CAS 112809-51-5

  • Product NameEffective Femara Anti Estrogen Steroids Letrozole Raw Powders for Cancer Treatment CAS 112809-51-5
    CAS No.112809-51-5
    Purity99%
    Min Quantity2000Kilograms
    Price~
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  • CAS No:112809-51-5 4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile
    Molecular Structure

    Detailed Description

    Effective Femara Anti Estrogen Steroids Letrozole Raw Powders for Cancer Treatment CAS 112809-51-5
    skype:tracyxu123 email tracy at ycphar dot com
    Quick Detail:
    Letrozole (Femara)
    CAS: 112809-51-5
    Assay: 98.0-102.0%. USP32
    Packing: 1Kg/foil bag
    Delivery: Courier.
    MF: C17H11N5
    MW: 285.3
    MP: 181-183 degrees
    Character: White crystalline powder.
    Description:
    Femara(generic name is letrozole) is a new drug developed for the treatment of advanced breast cancer in women. Femara is the second in a new class of third-generation selective oral aromatase inhibitors.

    It acts by blocking the enzyme aromatase, subsequently blocking the production of estrogen. Since many forms of breast cancer cells are stimulated by estrogen, it is hoped that by reducing amounts of estrogen in the body the progression of such a disease can be halted. This is the basic premise behind Nolvadex, except this drug blocks the action and not production of estrogen.

    The effects of Femara can be quite dramatic to say the least. A daily dose of one tablet (2.5 mg) can produce estrogen suppression greater than 80 % in treated patients. With the powerful effect this drug has on hormone levels, it is only to be used (clinically) by post-menopausal women whose disease has progressed following treatment with Nolvadex. Side effects like hot flushes and hair thinning can be present, and would no doubt be much more severe in pre-menopausal patients.

    With the one drug halting estrogen conversion and the other blocking 5-alpha reduction (testosterone, methyltestosterone and Halotestin only), related side effects can be effectively minimized. Here the strong androgen testosterone could theoretically provide incredible muscular growth, while at the same time being as tolerable as nandrolone.
    Additionally the quality of the muscle should be greater, the athlete appearing harder and much more defined without holding excess water.

    Applications:
    1. Letrozole is a powerful Aromatase Inhibitor that was developed to fight breast cancer.
    2. For athletes and bodybuilders, it is a drug used to combat the estrogenic side effects of anabolic steroids water-retention, acne and gynocomastia.
    3. It will also raise testosterone levels because of the lowered estrogen in the body.
    4. Femara(generic name is letrozole) is a new drug developed for the treatment of advanced breast cancer in women.
    5. Femara is the second in a new class of third-generation selective oral aromatase inhibitors.
    6. It acts by blocking the enzyme aromatase, subsequently blocking the production of estrogen.

    OUR ADWANTAGE:
    1, High quality with competitive price:
    1) Standard: Enterprise Standard
    2) All Purity≥98%
    3) We are manufacturer and can provide high quality products with factory price.
    2, Fast and safe delivery
    1) Parcel can be sent out in 24 hours after payment. Tracking number available
    2) Secure and discreet shipment. Various transportation methods for your choice.
    3) Customs pass rate ≥99%
    4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.
    3, We have clients throughout the world.
    1) Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
    2) Market feedback and goods feedback will be appreciated, meeting customers's requirement is our responsibility.
    3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.

    COA:
    Tests
    Specifications
    Results
    Appearance
    White or off-white crystaline powder
    White
    Crystalline powder
    Solubility

    Soluble in Chloroform;
    Soluble in ethanol when heated
    Conform
    ldentification
    (1)Maximum absorption in wavelength of 240 nm
    Minimum absorption in wavelength of 215 nm
    Conform
    Conform

    (2)Infrared spectrum should be in accordance
    the dominant peak of contrast
    In accordance with the dominant
    peak of contrast
    Melting points
    182°C-184°C
    182°C
    Related substances
    ≤0.5%
    0.3%
    Single impurity
    ≤0.3%
    0.2%
    Loss on drying
    ≤1.0%
    0.8%
    [Assay]C17H11N5
    (On anhydrous basis)
    ≥98.0%
    99.2%
    Conclusion
    Conforms Specifications of USP35

    Specifications:

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  • Effective Femara Anti Estrogen Steroids Letrozole Raw Powders for Cancer Treatment CAS 112809-51-5
  • Effective Femara Anti Estrogen Steroids Letrozole Raw Powders for Cancer Treatment CAS 112809-51-5