CAS 112809-51-5 Letrozole Anti Estrogen SteroidS , Female Steroids For Weight Loss

CAS 112809-51-5 Letrozole Anti Estrogen SteroidS , Female Steroids For Weight Loss

Description

What letrozole is?

Letrozole is a type of hormone therapy drug used to treat breast cancer in women who have had their menopause. It is also called Femara.

This medication   is used to treat certain types of  breastcancer (such as hormone-receptor-positive breast cancer ) in women after menopause.Letrozole is also used to help prevent the cancer from returning. Some breast cancers are made to grow faster by a natural hormone called estrogen.Letrozole decreases the amount of estrogen  the body makes and helps to slow or reverse the growth of these breast cancers.It may also be used to treat intertility  in women.

Specification

Letrozole

Alias: Femara, Letrozole, TROZET

CAS Registry Number:112809-51-5

Purity: 98%

MF: C17H11N5

MW: 285.3

Character: White crystalline powder.

Usage: Letrozole 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 Letrozole include a lowered sex drive and continuous use can lead to lowered lipid function and an impaired immune system.

COA

Applications

The anti-estrogen action of letrozole has been shown to be useful in pretreatment for termination of pregnancy, in combination with misoprostol. It can be used in place of mifepristone, which is expensive and unavailable in many countries.

Letrozole is sometimes used as a treatment for gynecomastia, although it is probably most effective at this if caught in an early stage (such as in users of anabolic steroids).

Letrozole has also been shown to delay the fusing of the growth plates in mice.When used in combination with growth hormone, letrozole has been shown effective in one adolescent boy with a short stature.

How letrozole works

Letrozole lowers the levels of the female sex hormone oestrogen in the body. Oestrogen stimulates some breast cancers to grow. These breast cancers are called hormone sensitive or hormone receptor positive. Letrozole can stop or slow the growth of these cancers. It can also reduce the chance of a breast cancer coming back after surgery.

Letrozole only works in women who have had their menopause. It is a type of drug called an aromatase inhibitor. After the menopause, women don’t produce oestrogen from their ovaries. But they still produce a small amount by using an enzyme called aromatase which turns other sex hormones called androgens into oestrogen. This change happens mainly in fatty tissue, muscle and the skin. Aromatase inhibitors block aromatase so that it can’t change the androgen into oestrogen

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