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Exemestane

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  Post Date: Sep 11,2015
  Expiry Date: Sep 10,2016
  Detailed Description: Cas No. :107868-30-4 Quantity: 2000Kilograms
Specs:ISO
Price:1 USD Kilograms
Payment Method: Western Union, MoneyGram, T/T, Bank transfer
Exemestane
Product Category: Pharmaceutical raw materials and intermediates
Appearance: White or Almost White Crystalline Powder
Product content: ≥ 99%
CAS:107868-30-4
Molecular formula: C20H24O2
Molecular Weight:296.40
hnzz01 at ycgmp dot com

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Packing specifications: 25kg / barrel
Usage:antiinfective

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Product Details:Place of Origin: China
Brand Name: Yuancheng
Certification: agnes-pharmade
Payment & Shipping Terms:Minimum Order Quantity: 100ml
Price: Negotiable
Packaging Details: Foil bag or as requirement
Delivery Time: 24 hours after payment
Payment Terms: Western Union, MoneyGram, Bank Transfer
Supply Ability: 2000ml/month


Product Description

Exemestane is an oral steroidal aromatase inhibitor that is used in ER-positive breast cancer in addition to surgery and/or radiation in post-menopausal women.

The main source of estrogen is the ovaries in premenopausal women, while in post-menopausal women most of the body's estrogen is produced via the conversion of androgens into estrogen by the aromatase enzyme in the peripheral tissues (i.e. adipose tissue like that of the breast) and a number of sites in the brain. Estrogen is produced locally via the actions of the aromatase enzyme in these peripheral tissues where it acts locally. Any circulating estrogen in post-menopausal women as well as men is the result of estrogen escaping local metabolism and entering the circulatory system.

Exemestane is an irreversible, steroidal aromatase inactivator, structurally related to the natural substrate androstenedione. It acts as a false substrate for the aromatase enzyme, and is processed to an intermediate that binds irreversibly to the active site of the enzyme causing its inactivation, an effect also known as "suicide inhibition." By being structurally similar to enzyme targets, Exemestane permanently binds to the enzymes, preventing them from converting androgen into estrogen.

The estrogen suppression rate for exemestane varies from 35% for estradiol (E2) to 70% for estrone (E1).



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  CAS Registry Number:

107868-30-4

  Synonyms: ;Exemestan;6-Methylenandrosta-1,4-diene-3,17-dione;10,13-Dimethyl-6-methylidene-7,8,9,10,11,12,13,14,15,16-decahydrocyclopenta[a]phenanthrene-;6-methylideneandrosta-1,4-diene-3,17-dione;(8ξ,9ξ,14ξ)-6-methylideneandrosta-1,4-diene-3,17-dione;Exemestane(Aromasin);Exemestone;
  Molecular Formula: C20H24O2
  Molecular Weight: 296.4034
  Molecular Structure: 107868-30-4 Exemestane

  Company: Zhuzhou Yuancheng Hezhong Technology Development Co., Ltd     [ China ]        
  Contact: Hanhan
  Tel: +86-181-88931013
  Fax: +86-181-88931013
  Email: hanhan9937@ycphar.com
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