Loyal Biotechnology Co.,Ltd

Letrozole Anti Estrogen Powder

Letrozole Anti Estrogen powder Brief Introduction: Letrozole (INN, trade name Femara) is an oral non-steroidal aromatase inhibitor for the treatment of hormone-reactive breast cancer after surgery. Letrozole is an anti-estrogen of the Aromatase Inhibitor (AI) family and is one of the most potent...

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Product Details

Letrozole Anti Estrogen powder 

Brief Introduction:

Letrozole (INN, trade name Femara) is an oral non-steroidal aromatase inhibitor for the treatment of hormone-reactive breast cancer after surgery.
Letrozole is an anti-estrogen of the Aromatase Inhibitor (AI) family and is one of the most potent and powerfully effective of all AI' s. In fact, its potency is sometimes too much for some to handle when used for off label use. Letrozole first gained U.S. FDA approval in 1997 and would hit the market under the brand name Femara through Novartis. Letrozole is one of the most commonly used anti-estrogens among steroid users during steroid use to combat possible estrogenic related side effects. It is so effective as an anti-estrogen in this regard many anabolic steroids have effectively reversed gynecomastia symptoms with Letrozole.

Product Name:

Letrozole

Brand Name:

Femara

Synonyms:

LetrozoleUsp28; Letrozole99%; CGS-20267, Femara; LETRAZOLE;

letrozolex; Lelrozol; 1-[BIS(4-CYANOPHENYL)METHYL]-1, 2, 4-TRIAZOLE;

4, 4'-(1H-1, 2, 4-Triazol-1-ylmethylene) dibenzonitrile

CAS:

112809-51-5

MF:

C17H11N5

MW:

285.3

Product Categories:

Anti-Cancer; Pharmaceutical material and intermeidates;

Active Pharmaceutical Ingredients; Letrozole; Antineoplastic; All Inhibitors;

anti-neoplastic; Inhibitors; Intermediates & Fine Chemicals; Pharmaceuticals;

API's; APIs; Antibiotics; Aromatics; Heterocycles; ELOXATIN; Anti-cancer& immunity

Structure:

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Melting point

181-183°C

Assay

98.0%

Appearance

White powder

Package

10g/100g/500g/1kg/aluminium foil bag or as required

Usage

AAS, can be used as pharmaceutical material

Payment term

Western union, MoneyGram, Biotcoin, TT Bank transfer

Delivery Method

FedEx, DHL, UPS, TNT, EMS, HKEMS, etc

 

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Letrozole(Femara) Specification:  
Complete certificate of analysis (COA) issued after every finished batch as follows:

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Letrozole(Femara) Usage and Traits:
Letrozole is an AI, which holds the purpose of blocking the aromatase enzyme, which is in turn responsible for the production of estrogen. By inhibiting estrogen production, this lowers total serum estrogen levels in the body. This will be useful to the breast cancer patient on the basis of such cancer often feeding off the estrogen hormone. It will be beneficial to the anabolic steroid user as excess estrogen often leads to some of the most commonly associated side effects of anabolic steroid use.
There have been physicians who have chosen Letro as it's often known to treat low testosterone conditions, but this is normally not the preferred method of treatment. Without question, when it comes to low testosterone treatment exogenous testosterone is generally the only thing that makes sense. However, Letrozole can be useful in such a plan in conjunction with exogenous testosterone in order to combat possible side effects. We will look into this in the effects section.

 

Letrozole(Femara) cycle:
For the purpose of Estrogen control during a cycle: Letrozole is the most effective aromatase inhibitor utilized to reduce levels of circulating Estrogen in the body during a cycle involving the use of aromatizable androgens (anabolic steroids that have an affinity to bind to the aromatase enzyme and undergo aromatization into Estrogen). This has been outlined previously in the introduction. Letrozole doses for this purpose cover a very wide range, and how much Letrozole is required (and how often) is also largely dependent on the doses of aromatizable anabolic steroids used, the individual's sensitivity to aromatase inhibitors, and the rate of aromatization of the anabolic steroids used. With this being said, the general range of Letrozole doses are approximately 1.25mg – 2.5mg daily. There does exist a very large margin for adjustment and user preference when it comes to Letrozole dosages, as each individual should slowly adjust their dose depending on how they feel the body is responding. This is especially so for Letrozole, which is the most powerful and potent AI of the three. Even 1.25mg daily is too much for many anabolic steroid users, and often times the recommended dose is actually 1.25mg every other day, and often can be even less frequent especially considering the half-life of Letrozole is that of 2 – 4 days. These Letrozole doses can easily be adjusted if the user feels it is not working well enough, or if it is reducing Estrogen levels too much.

 

Production facility:

The factory has GMP guideline plant which is compliant with ISO9001:2008, with extremely strict production and quality system, dedicated to provide high quality steroid products.

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