306 Xinsha Road, Shajing Street, Bao'an District,Shenzhen, Guangdong, China
বাড়ি পণ্যAnti Estrogen Steroids

CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer

CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer

    • CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer
    • CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer
  • CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer

    পণ্যের বিবরণ:

    Place of Origin: China
    পরিচিতিমুলক নাম: Sendi
    সাক্ষ্যদান: ISO9001, CQC, GMP and USP etc
    Model Number: 112809-51-5

    প্রদান:

    Minimum Order Quantity: 10gram
    মূল্য: $1~6/kg
    Packaging Details: 5KG/Cardboard bucket
    Delivery Time: 5-7 work days
    Payment Terms: Bank Transfer, Western Union, Money Gram, Bitcoin, T/T
    Supply Ability: 600kg/per month
    এখন যোগাযোগ
    বিস্তারিত পণ্যের বর্ণনা
    MF: C17H11N5 MW: 285.3
    Assay: 99% Standard: USP
    Character: White powder Boiling point: 472.0±55.0 °C at 760 mmHg
    flash point: 214.2±24.5 °C Melting point: 181-183ºC
    density: 1.1±0.1 g/cm3

    99% Anti-estrogen Letrozole(Femara) CAS 112809-51-5 for Cancer Treatment
     

    As for us,the quality of the product comes from production, not quality testing.We can guarantee that most of our products' assay are up to 99%.
    As for us, we always keep pace with the market to quote proper and the most competitive price.
    As for us, customers are the source of our manufacturing.We always adhere to the customer-oriented development principles. We take sincere concern for customers,and always stand in the customer's position to consider.

     

    This is Gillian, come to visit my shop, pleasantly surprise for you!

     

    --------Product Details--------
     

    Product Name: Letrozole(Femara)
    Synonyms: 4,4'-(1H-1,2,4-TRIAZOL-1-YLMETHYLENE) BIS-BENZONITRILE;FEMARA;CGS-20267;LETROZOL;LETROZOLE;LetrozoleUsp28;Letrozole99%;CGS-20267, Femara
    CAS: 112809-51-5
    MF: C17H11N5
    MW: 285.3
    Chemical Properties: white powder
    Package: 5KG/Cardboard bucket
    Standard: USP
    Grade: medical grade
    Assay: 99%
    Use: Pyrrole type aromatization enzyme inhibitors. Used in the treatment of breast cancer.
    storage temp. -20°C Freezer
    Density: 1.1±0.1 g/cm3
    Melting point: 181-183ºC
    Boiling point: 472.0±55.0 °C at 760 mmHg
    flash point: 214.2±24.5 °C
     
    Description:
    Letrozole is a new generation of selective aromatase inhibitors. It is a synthetic benzyl triazole derivative. And it can inhibit aromatase and decrease estrogen levels, therefore eliminate estrogen on tumor growth stimulation. The activity of letrozole in the body is 150-250 times more than that of the first generation of aromatase inhibitors-aminoglutethimide. Because of its high selectivity and no influence on glucocorticoid, mineralocorticoid, and thyroid function, large doses have no inhibitory effect on the secretion of adrenal steroids and therefore have high therapeutic targets.
    It's used to the treatment of advanced breast cancer in postmenopausal patients who anti-estrogen ineffective, and early breast cancer.
     
    Dosage:
    Take 2.5 mg each time, one time a day. Sex, age, and liver and kidney function are not related to letrozole clinically. Therefore, elderly patients and patients with impaired liver and renal function do not have to adjust the dose.
     
    Distinctions Between Letrozole and Anastrozole:
    Letrozole tablets: suitable for advanced breast cancer after menopause, most used in the treatment of anti-estrogen treatment failure after second-line therapy.
    Anastrozole: an effective selective inhibitor for three azole aromatase, it inhibits the aromatase relied by cytochrome P-450, further blocks estrogen biosynthesis, which is the main factor to stimulate breast cancer cell growth. The 50% inhibitory concentration (IC50) value of human placenta aromatase is 15 nmol/L.

     

    --------COA--------

     

    product name Letrozole
    CAS No. 112809-51-5 Outer packing 1KG/drum
    Production date 2017.03.18 shelf life 2019.03.17
    Standard adopted USP32
    Items of Analysis Specification Results
    Appearance White to off-white crystalline powder, odorless White crystalline powder, odorless
    Relative SubstancesA ≤0.3% 0.01%
    Any other individual impurity ≤0.10% Not detect
    Total impurities ≤0.5% Not detect
    Water ≤0.3% 0.09%
    Residue On Ignition ≤0.1% 0.02%
    Heavy metals ≤10% <10%
    Ethanol ≤3000ppm <2ppm
    Isopropanol ≤5000ppm <2ppm
    Acetic ether ≤2000ppm <48ppm
    Dimethylformamide ≤880ppm <6ppm
    Assay 98.0~102.0% 99.41%
    Conclusion Qualified

     
    CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer

     

    --------FAQ--------


    1.What time do you deliver products we have ordered?
    We always deliver products within 24 hours after receiving payments for the most products we sell are in large stock.
     
    2.What kind of shipment ways do you adopt?
    We always take expresses to transport products including EMS, DHL, TNT, UPS, FedEx and so on. We will adopt the most suitable express ways according to your products quantities,product category and rate of clearance. As for large order, we also can transport products by sea.
     
    3.Can you provide free sample for us?
    Yes, we can do it. The sample is free, but you have to bear the freight.
     
    4.Can we trust your products quality?
    We are a kind of company working on chemical industry for thirteens years.Our products meet all standards.And we have our own certificate of analysis. We can provide COA of each batch good.As you know, we can provide sample for you ,so if you are worried about the quality of our product, you can take sample first to have a test, then decide whether purchase in large quantity.
     
    5.Why are your products higher than others?
    We always keep pace with the market to quote proper and the most competitive price. What you buy in our company is the guarantee of product quality.Several factors influencing the product price include assay, extraction process, grade,raw materials used and so on. So I suggest that you can take sample to test the quality to determine whether the price is proper.

     

    --------About Our Company--------

     

    Shenzhen Sendi Biotechnology CO., Ltd, owned by Yuancheng group,is a large high-tech chemical enterprise specializing in fine chemicals, flavors, spices, food additives, pharmaceutical raw materials and intermediates.We set research, development, production, operation, sales in one.We have more than 10000 square meters manufacturing shop established in terms of GMP standard from pilot to large production, with advanced equipment.We have perfect quality assurance system and perfect quality control system. And we also have multiple sets of high pressure liquid chromatography, gas chromatography and UV analysis instrument with high efficiency and high sensitivity spectrophotometer, to analyze and control the product.


    warehouse 
    CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer
     
    Lab
    CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer

    If you have any question, please feel free to contact me!

    CAS112809-51-5 99% Anti Estrogen Steroids Powder Letrozole ( Femara ) for Cancer

    যোগাযোগের ঠিকানা
    Shenzhen Sendi Biotechnology Co.Ltd.

    ব্যক্তি যোগাযোগ: Ivy Young

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