Exemestane

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Equipped with the best GMP factory of best quality exemestane for cosmetic, health care and human nutritional products in China, it is able to supply you with top quality exemestane USP/EP 99%, as well as the reactive intermediate of natural food supplements products.Product Description Many breast cancers are stimulated to grow by the female sex hormones oestrogen and progesterone. These breast cancers are called hormone sensitive or hormone receptor positive and can be treated with drugs that block the effects of these hormones.In women who have had their menopause, oestrogen is mainly produced by changing androgens (sex hormones produced by the adrenal glands) into oestrogens. This process is called aromatisation and happens mainly in the fatty tissues, muscle and the skin. It needs a particular enzyme called aromatase.Exemestane blocks the process of aromatisation. So it lowers the amount of oestrogen in the body. In early breast cancer, taking exemestane can help to stop breast cancer coming back. In advanced breast cancer the cancer cells may grow more slowly or stop growing completely.CAS  NO.: 107868-30-4Molecular Formula: C20H24O2Molecular Weight: 296.4034Melting Point: 155.13℃    Specification: USPItemSpec.CharacteristicsWhite Crystalline PowerIdentificationA: IRB: RT(HPLC)Residue on Ignition≤0.1%Heavy Metals≤10ppmWater≤0.5%Specific Optical Rotation+290～+300°ImpuritySpirooxiran 1≤0.15%Spirooxiran 2≤0.15%Exemestane relatedCompound C≤0.15%Exemestane relatedCompound A≤0.15%Any unspecified impurity≤0.10%Total impurity≤0.50%Assay (HPLC)98.0％～102.0％MicronConclusionUSP Pending Monograph, Conform the stipulation Application This product is a second generation aromatase inhibitors, used in the treatment of metastatic breast cancer and is used as the adjuvant treatment of early breast cancer. Packing &DeliveryPackaging Detail:1kg/Alu-bag; 25kg/DrumDelivery Detail:ImmediatelyStorage and Shelf LifeStore in cool & dry place, Keep away from strong light and heat, 24 months when properly stored  Company InformationWellgreen Technology Co.,Ltd is a high - tech corporation and iso9001: quality management system certification specializing in the production of nutritional supplements, herbal essence, steroids and its intermediates pharmaceutical industry. Wellgreen has developed into the leading companies in this field, there are two factories.   Certifications FAQQ1: Can i get some samples?A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.Q2: How to start orders or make payments?A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow(Alibaba).Q3: How to confirm the Product Quality before placing orders?A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.Q4:What’s your MOQ?A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.Q5: How about delivery leadtime?A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)Q6:Is there a discount?A:Different quantity has different discount.Q7: How do you treat quality complaint?A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.Q8: How to contact us ?A:You can chat with us by Trademanager,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us. url:http://www.wellgreenxa.com

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Wellgreen Technology Co., Ltd

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