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

High Purity Anti Estrogen Raw Steroid Femara Letrozole Powder CAS 112809-51-5
Country of Origin: China
Certifaction: GMP, ISO
Type: Anti-Estrogen Steroids
Minimum Order Quantity: 10g
Price: 0.1$/g
Supply Ability: 1000kg/Month
Delivery Time: 3 days
Package: Foil Bag or Special Packing
Payment Term: T/T, Western Union, Money Gram
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  • 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.       


    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.


    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.














    conform with standard IR conform


    Related substances


    Related substances  A



    any other impurity



    all other impurities



    Organic volatile impurities

    Conforms with ICH requirements

    Residual solvents


    Nmt 600ppm



    Nmt 3000ppm



    Nmt 5000ppm



    Nmt 5000ppm



    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. 

  • company 1

    Shenzhen Huge Bio-Chemical Co., Ltd. is an enterprise who is specilized in developing, manufacturing and marketing of steroid hormone APIs & intermediates. Medical intermediates and so on. With more than 10 years development and experience our Huge Bio-Chemical not only owns top R&D team, robust technologies and broad selling network but also establised perfect management system meeting ISO standard system. 

    Our international leading technology including advanced manufacturing processes, robust technologies and first-class analytical instruments ensures the high quality and high purity of our products. We have to attribute our success and reputation to our industries such as scale development, specialized operation, regionalization business, differentiated management. We strictly abide by ISO 9001 quality standards for product development, raw materials inspection, production process and finished goods inspection. The quality of our products conforms to latest EP, USP and CP, and the in-house specifications are continually improving. 

    We keep perfecting our industrial structure and enhancing brand competitiveness to win more share in international market. Our products sell well in many countries such as the United States, Russian, Japan, European Countries and so on. Our products and services enjoy positive feedback from clients and goods reputation worldwide. 

    We will keep sticking to the following mission to offer top quality products and high-quality and high-efficient service to our worldwide customers. 

    Quality: Chariness and Preciseness; Constantly Strive for Excellence 

    Developing: Keen Innovation; Technology-Leading 

    Business: International Service; Professional Integrity 

    Service: Customer Orientationl; Quick and Accurate


    Shenzhen Huge Bio-Chemical Co.,Ltd.

    Address :  Building B, Oriental Time Plaza, Huaqiang Bei, Futian District, Shenzhen.

    Factory Address :  Xiaohe Town Yicheng Xiangfan City Hubei Province

    Telephone :  86-755-83791412 

    Emal :  sarah@hugebiochem.com.cn

    Whatsapp :  +8613809892441

    Wickr Me :  sarah4823

    Skype :  liu.sarah6

    My website :  http://soloyizu.en.made-in-china.com/