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99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara

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99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara

China 99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara supplier
99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara supplier 99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara supplier

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Product Details:

Place of Origin: Zhejiang,China
Brand Name: Pharma Grade
Certification: ISO,GMP
Model Number: 112809-51-5

Payment & Shipping Terms:

Minimum Order Quantity: 10grams
Price: negotiable
Packaging Details: Foil bag or other discreelty package,according the order quantity and different country.
Delivery Time: within 24 hours after payment.
Payment Terms: Western Union, MoneyGram, T/T,bank transfer,Bitocin
Supply Ability: 1000kg/month
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Detailed Product Description
Products Name: Letrozole Sale Name: Letrozole Tablets
Quality: 99.5% Appearance: White Or White Crystalline Powder
Usage: Muscle To Reduce Fat MOQ: 10G

API raw powders Letrozole cas112809-51-5 white for women

Letrozole, alias Frey, is a white or off-white powder of chemicals. Chemical name 1-[bis(4-cyanophenyl)methyl]-1,2,4-triazole; 4,4'-(1 H-1,2,4-triazol-1-yl Methyl)-bisbenzonitrile having a molecular formula of C17H11N5 and a molecular weight of 285.31. It is a new generation of aromatase inhibitor, which is a synthetic benzyltriazole derivative. Letrozole can reduce the estrogen level by inhibiting aromatase, thereby eliminating the stimulating effect of estrogen on tumor growth. For breast cancer chemotherapy and radiotherapy.

Basic Information

Chinese name: Letrozole
Chinese alias: 1-[bis(4-cyanophenyl)methyl]-1,2,4-triazole; 4,4'-(1 H-1,2,4-triazol-1-yl Methylene)-bisbenzonitrile
Letrozole tablets, Furui
English name: Letrozole Tablets
English alias: 4,4'-(1H-1,2,4-TRIAZOL-1-YLMETHYLENE) BIS-BENZONITRILE; CGS-20267; FEMARA; LETROZOL; 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; 4,4'-( 1H-1,2,4-Triazole-1-ylmethylene)bisbenzonitrile; 4,4'-[(1H-1,2,4-Triazole-1-yl)methylene]dibenzonitrile
CAS No.: 112809-51-5
Molecular formula: C17H11N5
Molecular weight: 285.31 [1]
Molecular structure diagram:
Letrozole molecular structure
Letrozole molecular structure
Appearance White or off-white powder
Melting point 181-183 ° C


Quick Details:


Chinese name


Foreign name







Molecular formula


Letrozole Basic information,important




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.


Product Usage
[Use 1] Pyrrole-type aromatase inhibitor. For the treatment of breast cancer



1. Treatment of postmenopausal advanced breast cancer (estrogen receptor, progesterone receptor positive or receptor status unknown), mostly used for second-line treatment after anti-estrogen treatment failure;
2. First-line treatment for postmenopausal breast cancer with locally advanced or diffuse (foreign data);
3. Extended adjuvant therapy for postmenopausal breast cancer patients who have received tamoxifen standard adjuvant therapy for 5 years (foreign data);
4. Postoperative adjuvant therapy for early hormone-positive breast cancer patients [2]


99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara


2.5 mg each time, orally, once a day. There is no clinical correlation between gender, age, and liver and kidney function and letrozole, so elderly patients and patients with impaired liver and kidney function do not have to adjust the dose. According to years of clinical experience, it also has the effect of promoting ovulation [2].


Packaging & Delivery:

We have professional team for package and shipment. Special way to ship 100 grams to 100kg powders at one time to your country. Fast and discreet shipment could be arranged for customs pass Guaranteed.



Important details


99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara




99.5% Purity API Raw Material Powder , Cas 112809-51-5 Letrozole Femara


Fitness Tips~~

Men want to have a wide shoulder, what to do?

1, chest movement

Standing, arms spread out to do chest expansion, each time you have more time and physical strength to do a few minutes, not easy to be excessive fatigue, the arm from the front flat quickly becomes a side flat and continue to think after the vibration, the arm to shoulder Qi Ping. You can also bend your elbows, move your waist, and so on.


2, tension spring

Pingla, mainly practicing the muscles of the arms and shoulders, makes the arms and shoulders look strong, increases the thickness of the chest and back, makes the back muscles of the chest muscles more three-dimensional. At the same time promotes the stimulation of the shoulder skeletal muscles, helps to have a strong shoulder .


3 push-ups

This will do it. It is also an exercise for the shoulders and arm muscles.

These sports can be done for a long time. In the spare time or sitting in front of the computer for a long time, the lounge can take a few minutes to do it, and it doesn't take too long. After all, not everyone wants Schwarzenegger's figure. We are just an intensive exercise on the shoulders of the needles.


It is not advisable to be too intense when doing these exercises. Take it slowly and do a little activity before you do it. These methods can be done at leisure time after work.




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