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|Appearance:||White Crystalline Powder||Usage:||A Powerful Aromatase Inhibitor That Was Developed To Fight Breast Cance|
Legal Letrozole Femara Fat Burning Steroids To Weight Loss 112809-51-5
1. CAS No.: 112809-51-5
2. M.F.: C17H11N5
3. M.W.: 285.3
4. Assay: 99%
5. Appearance: White crystalline powder
6. Usage:a powerful Aromatase Inhibitor that was developed to fight breast cancer
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Letrozole is the chemical name of Novartis selective third generation aromatase inhibitor, a drug that works by blocking the aromatase enzyme responsible for the production of estrogen.
In clinical use, Letrozole is primarily administered to halt the progression of breast cancer in women. It is generally used as part of an aggressive treatment in post-menopausal women, to fight and reverse the spread of breast cancer after other treatments (such as Tamoxifen therapy) has failed. Its probably the most efficient product on the market for this purpose. Letrozole is very similar in both structure and action to its AI predecessor Arimidex.
In athletics and bodybuilding, it is used as an ancillary compound within anabolic steroid cycles for its estrogen reducing properties, and has the additional benefit of modestly increasing testosterone levels. Many anabolic steroids aromatize (convert to estrogen via the aromatase enzyme), a process that is responsible for many of the undesirable side effects which accompany anabolic steroid use such as acne, gynecomastia, water-retention, etc.
Letrozole is known as a hormonal breast cancer treatment.
Some breast cancers need the hormone oestrogen to grow. In women who have been through the menopause, the main source of oestrogen is through the change of sex hormones called androgens into oestrogen. An enzyme called 'aromatase' is needed for this change to occur. Letrozole works by inhibiting (or blocking) this enzyme. This reduces the amount of oestrogen in your body, which slows the growth of the cancer cells.
Letrozole also does quite a few things that would be of interest to both bodybuilders and athletes. Firstly, it has been shown to reduce estrogen levels by 98% or greater. In at least one documented incident, Letrozole reduced test subject estrogen to undetectable levels, while increasing LH, FSH and SHBG .
White or off-white crystaline powder
Soluble in Chloroform;
(1)Maximum absorption in wavelength of 240 nm
(2)Infrared spectrum should be in accordance the dominant peak of contrast
In accordance with the dominant peak of contrast
Loss on drying
Conforms Specifications of Enterprise Standard.
1, High quality with competitive price:
2) All Purity≥99%
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1) Parcel can be sent out in 24 hours after payment.Tracking number available
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3) Customs pass rate ≥99%
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