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Letrozole Steroid Powder

Letrozole Steroid Powder

Model: Muscle-Building-3
Availability:In Stock

Letrozole Steroid Powder is a high purity and high quality of steroids, bring you the effect is immediate. At the same time our mode of transportation is the most advanced in China, is the only suppliers have stock in Canada and Europe, provide domestic delivery in Canada, Europe.

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Letrozole Steroid Powder

Product Name: Letrozole

Alias: Femara, Letrozole, TROZET

CAS Registry Number:112809-51-5

Purity: 98%

MF: C17H11N5

MW: 285.3

Character: White crystalline powder

 

Description

Some breast cancers are stimulated to grow by the hormone oestrogen. In women who have been through the menopause, oestrogen is no longer produced by the ovaries. But some oestrogen is still made in body fat using an enzyme (a type of protein) called aromatase. Aromatase inhibitors stop this enzyme from working so there?s less oestrogen in the body.

Letrozole will only be prescribed if your breast cancer has receptors within the cell that bind to the hormone oestrogen, known as oestrogen receptor positive or ER+ breast cancer. All breast cancers are tested for oestrogen receptors using tissue from a biopsy or after surgery. When oestrogen binds to these receptors, it can stimulate the cancer to grow.

When oestrogen receptors are not found (oestrogen receptor negative or ER- breast cancer) tests may be done for progesterone (another hormone) receptors. The benefits of hormone therapy are less clear for people whose breast cancer is only progesterone receptor positive (PR+ and ER-). Very few breast cancers fall into this category.

 

Usage

Letrozole is an orally active nonsteroidal aromatase inhibitor for the treatment of hormonally-responsive breast cancer after surgery.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.

Our advantages:

Domestic delivery service: We provide domestic delivery from Europe countries. For some hot items, will have enough stock in Europe and thus ship to you quickly.

Professional packing and delivery service: per our experience, we will use our special packing methods according to your orders and choose the best suitable forwarder for you.

Prompt delivery: Will send out the parcel within 12-24 hours once receiving your payment and provide the tracking number soon.

Best After-sale service: Any questions or problems, please feel free to contact with us and our customer service department will help you to solve it immediately.

 

CERTIFICATE OF ANALYSIS

PRODUCT NAME: letrozole
BATCH NUMBER: 20160317


MFG. DATE: MAR.17,2016

TEST DATE: MAR.18,2016
EXP.DATE: MAR.16,2018

ANALYSIS

SPECIFICATIONS

RESULTS

Assay

98.0-102.0%

99.8%

 

CHEMICAL CONTROL

Identification

IR
HPLC
UV

conform with standard IR conform
conform

Related substances

 

Related substances? A

0.3%(max)

0.07%

any other impurity

0.1%(max)

0.03%

all other impurities

0.3%(max)

0.07%

Organic volatile impurities

Conforms with ICH requirements

Residual solvents

dichloromethane

Nmt 600ppm

complies

Methanol

Nmt 3000ppm

complies

Acetone

Nmt 5000ppm

complies

ethanol

Nmt 5000ppm

complies

 

PHYSICAL CONTROL

Description

White to yellowish, crystalline powder

Complies

Water by KF

0.3%(max)

0.13%

Residue on ignition

0.1%(max)

0.04%

Heavy metals

0.001%(max)

Complies

 

STORAGE

Cool and dry

SHELF LIFE

24 months

Conclusion: It conforms to USP32

 

 



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