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99% Purity Anti Estrogen Drugs Bodybuilding Letrozol / Femara CAS 112809-51-5

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99% Purity Anti Estrogen Drugs Bodybuilding Letrozol / Femara CAS 112809-51-5

99% Purity Anti Estrogen Drugs Bodybuilding Letrozol / Femara CAS 112809-51-5
99% Purity Anti Estrogen Drugs Bodybuilding Letrozol / Femara CAS 112809-51-5 99% Purity Anti Estrogen Drugs Bodybuilding Letrozol / Femara CAS 112809-51-5

Large Image :  99% Purity Anti Estrogen Drugs Bodybuilding Letrozol / Femara CAS 112809-51-5 Get Best Price

Product Details:
Place of Origin: China
Brand Name: yuancheng
Certification: GMP
Model Number: 112809-51-5
Payment & Shipping Terms:
Minimum Order Quantity: 10g
Price: negotiation
Packaging Details: foil bag or tin
Delivery Time: 4-7days
Payment Terms: Bank Transfer, Western Union, MoneyGram,Bitcoin
Supply Ability: 100kg/week
Detailed Product Description
CAS: 112809-51-5 Molecular Formula: C17H11N5
Molecular Weight: 285.31 Alias: Femara
High Light:

Anti Estrogen Drugs Bodybuilding

,

anti estrogen bodybuilding

 

99% High Purity Hot Selling Letrozol / Femara CAS: 112809-51-5

 

Description:

Femara(generic name is letrozol) 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.

Additionally the quality of the muscle should be greater, the athlete appearing harder and much more defined without holding excess water.

 

Applications:


Femara (letrozole) is a type II (non-steroidal) third generation aromatase inhibitor. Clinically it is used to treat postmenopausal women with either estrogen receptor positive or estrogen receptor unknown breast cancer.
In women with breast cancer, it has been shown to reduce estrogen levels by 98% or more (1). However, it’s use and benefits are not limited to eliminating estrogen in women.
For pre-contest bodybuilders, Letrozole is almost a necessity to eliminate water retention and achieve the ripped look necessary to compete in today’s bodybuilding world. However, in my experience, it is only necessary to be used for the last 4-6 weeks, to eliminate excess estrogen and water retention. After using Letrozole I recommend staying away from any estrogen suppression for at least a month to try to normalize the body.

 

QAF
Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information.
Payment by T/T, Western Union or MoneyGram or Bitcoin
Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a
courier to us and take the samples.
You can send us your product specifications and requests,we will manufacture the products according
to your requests.
Q4:Is there a discount?
A:Different quantity has different discount.
Q5: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a
real quality problem caused by us, we will send you free goods for replacement

 

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 182ºC-184ºC 182ºC
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 Enterprise Standard.

 

 

 

 

99% Purity Anti Estrogen Drugs Bodybuilding Letrozol / Femara CAS 112809-51-5 0

 

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