CAS 112809-51-5 Pharmaceutical Active Ingredients Letrozole Femara Anti Estrogen Steroids
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CAS 112809-51-5 Pharmaceutical Active Ingredients Letrozole Femara Anti Estrogen Steroids
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Features
Basic Infomation
Place of Origin: China
Brand Name: Yuan Cheng
Certification: ISO9001
Model Number: CAS112809-51-5
High Light:

medicine raw material

,

raw materials testing pharmaceutical

Payment & Shipping Terms
Packaging Details: Discreet package
Delivery Time: 4-7 work days
Payment Terms: Bank transfer,,MoneyGram,Bitcoin
Supply Ability: 5000kg/m
Specifications
Chemical Name: Letrozole
Appearance: White Crystalline Powder
Email: Kevin@chembj.com
Purity: 99.68%
Whatsapp: +86 15372415908
Grade: Pharmaceutical Grade
CAS: 112809-51-5
MF: C17H11N5
MW: 285.3
Product Description

CAS 12809-51-5 Letrozole Femara Anti Estrogen steroids Letrozole pharmaceutical grade 

 

Product Name:Letrozole
Alias: Femara, Lelrozol, TROZET,Letroz,Lelroz, letrozolex
CAS Registry Number:112809-51-5
Purity: 98%
MF: C17H11N5
MW: 285.3
Appearance: White crystalline powder.
Grade:Pharmaceutical Grade

 

 

Letrozole Profile

 

Letrozoles are non suicidal Aromatase Inhibitors, belonging to the third generation of aromatase inhibitors. They are administered orally and hold the approval of the Food and Drug Administration of the United States (FDA) for use in treating two particular kinds of breast cancer. One is the case when hormone receptor positive breast cancer develops locally or is contracted through metastatis. The other is a similar case but when the cancer is of the estrogen receptor unknown category.

The estrogen receptor unknown category refers to those breast cancer conditions where the role of estrogens can not be determined with certainty. In these cases, it is impossible to predict if estrogen caused the cancer in the first place or if it would complicate and worsen the cancer further. Letrozoles are used in the treatment of such cancer conditions in post menopausal women. It is however rare that Letrozole be required for treating the post menopausal estrogen receptor unknown cancer, first-line. In most cases, it is used only after the usual first-line treatments using Selective Estrogen Receptor Modulator drugs like the Nolvadex have failed to show any positive effects.

 

 

Letrozole Effect

 

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.

 

 

Dosages and Half Life

 

The half life is approximately 2-4 days. Dosages vary quite a bit, 0.25mg up to 1mg every day or every other day is a good starting dose. It’s best to be conservative with the dosage because if you overdose the sides can be harsh.

 

 

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 Maximum absorption in
wavelength of 240 nm Minimum
absorption in wavelength of 215 nm
Conform Conform
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 ≥98.0% 99.2%
Conclusion Conforms Specifications of Enterprise Standard

 

 

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CAS 112809-51-5 Pharmaceutical Active Ingredients Letrozole Femara Anti Estrogen Steroids 0CAS 112809-51-5 Pharmaceutical Active Ingredients Letrozole Femara Anti Estrogen Steroids 1

 

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