Product Description

Unit Price: US $0.1 / grams 
Min. Order: 10 grams 
Powder : Yes 
Purity : >99% 
Production Capacity : 12000kg/Year

Product Info

Price 0.1$/g
Supplyability 1000kg/Month
Payment T/T, Western Union, Money Gram
Certification GMP, ISO
Place China
Packaging Foil Bag or Special Packing

Product Detail

High Purity Anti Estrogen Raw Steroid Femara Letrozole Powder  CAS 112809-51-5

Basic View:

Product Name: Letrozol 
CAS No: 112809-51-5
Molecular formula: C17H11N5
Molecular weight: 285.3
Appearance: White power
Assay: 99 percent
Delivery time: 5-7working days door to door
Minimum order: 1g
Supply ability: 100kg/month
Quality standard: USP32

Detailed Description:

(1)Femara is approved by the United States Food and Drug Administration (FDA) for the treatment of local or metastatic breast cancer that is hormone receptor positive or has an unknown receptor status in postmenopausal women.
(2)Femara is intended for use only by women who are no longer of childbearing age. Possible candidates must have already ceased to menstruate. It is often used in patients who have already undergone other cancer treatments, such as radiation, chemotherapy, and used other cancer drugs, like tamoxifen. This nonsteroidal aromatase inhibitor may help prevent any remaining cancer cells from spreading.
(3)Femara 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 include a lowered sex drive and continuous use can lead to lowered lipid function and an impaired immune system.       

Usage:

Letrozol has a 2-4 day half-life, and it needs to be taken for up to 60 days to get a steady blood plasma level, using Letrozolesat such a low dose does happen to make it a very good economic choice compared with other aromatase inhibitors.
 

Effects:

Letrozol has been shown to delay the fusing of the growth plates in mice. When used in combination 
with hormone, letrozol has been shown effective in one adolescent boy with a short stature; Letrozol
has also been used to treat endometriosis a C17 α-alkylation which allows the hormone to survive f
irst-pass liver metabolism when ingested. It is because of this that is also sold in tablet form.


COA:


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

 


Our Advantages: 

1, High quality with competitive price: 
1)Standard: BP/USP
2)All Purity≥ 99%
3)We are manufacturer and can provide high quality products with factory price. 
2, Fast and safe delivery
1)Parcel can be sent out in 24 hours after payment. Tracking number available
2)Secure and discreet shipment. Various transportation methods for your choice. 
3)Customs pass rate ≥ 99%
4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring. 



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