Breast Cancer Femara Letrozole Female Steroids White Powder CAS 112809-51-5
1 . Quick Details:
Product name: Letrozole
Assay: 99.5%
CAS: 112809-51-5
Molecular formula: C17H11N5
Molecular weight: 285.3
Appearance: White power
Usage: Letrozole is approved by the United States Food and Drug Administration (FDA) for the treatment of local or metastatic breast cancer that is hormone receptor positive or has an unknown receptor status in postmenopausal women.
2 . Product Description:
Femara 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 Nol vadex, 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.
When used with strong, readily aromatizing androgens such as Di anabol or test osterone, gynecomastia and water retention can be effectively blocked. In combination with Propecia (finasteride), we have a great advance.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 nan drolone.Additionally the quality of the muscle should be greater, the athlete appearing harder and much more defined without holding excess water.
3 . Product Application:
Letrozole is intended for use only by women who are no longer of childbearing age. Possible candidates must have already ceased to menstruate. It is often used in patients who have already undergone other cancer treatments, such as radiation, chemotherapy, and used other cancer drugs, like tamoxifen. This nonsteroidal aromatase inhibitor may help prevent any remaining cancer cells from spreading.
Femara is used for the treatment of post-menopause breast cancer. Femara is a powerful Aromatase Inhibitor that was developed to fight breast cancer. For athletes and bodybuilders, it is a drug used to combat the estrogenic side effects of anabolic steroids water-retention, acne and gynocomastia. It will also raise testosterone levels because of the lowered estrogen in the body. Side effects from include a lowered sex drive and continuous use can lead to lowered lipid function and an impaired immune system.
4 . Specification:
| Test Items |
Specification |
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 |
182ºC-184ºC |
182ºC |
| Related substances |
≤0.5% |
0.3% |
| Single impurity |
≤0.3% |
0.2% |
| Loss on drying |
≤1.0% |
0.8% |
| [Assay] |
≥98.0% |
99.2% |
| Conclusion |
Conforms Specifications of Enterprise Standard. |
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1: After our quation ,you will choose to accept or not.
2: If you decide to have a try, choose a payment method to pay for the order.
3: We will sent the package out in 24hours after we received the payment ,then will sent the tracking number with packaging detail to you via mai.
4: We will help track the package until you receive it successful,if accident happen ,we will see the reason to decide re-sent for free or half-price re-sent.
Our Competitive Advantages:
1. Rich experience: we specialize in this field for many years, our steroids have been exported almost over the world. Such as USA, Canada, UK, Brazil, Germany, Russia, Australia, Greece, Poland, Bulgaria, Rumania, Netherlands, Sweden, Ukraine, Latvia, Lithuania, Ireland, Austria, Iran, Turkey, Mexico, Thailand, India, Malaysia, Singapore, other Middle East countries, European countries, American countries and more Areas.
2. Great quality: High purity and Favorable price. Good quality is the first base of our success. All of our products enjoys high purity. Thus, it can make sure your demand. Welcome order the samples, MOQ just 10 grams.
3. Safe and fast delivery: Lots of different discreet safe packing methods, experience in choosing express, 4~7 days to arrive, successful rate 99%.
4. Experiential order and cooperation: Besides raw powders, we offer hormone solution and Recipes. We can teach you or discuss how to make hormone solution on the site. Any discussion and question is welcome!
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1. Mass stock, to make sure delivery promptly every day when the payment is done.
2. Having been engaged in this field for years, we have sophisticated and professional logistics department, which can guarantee safe and speedy delivery.
3. Well-trained and disciplined packing team which is professional enough to provide you a safe package. It also avoid a lot of emergency happen during the delivery so that high customs pass is guaranteed. Unique ways to ship 10grams to 20 kilograms powders(or 100ml to 30 Liter liquids) at one time to your destination.
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