China factory sell Tamoxife Citrate Pharmaceutical Powder CAS 54965-24-1 

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  T'amoxifen citrate is agent that demonstrates potent anti-estrogenic properties. The drug is technically an estrogen agonist/antagonist, which competitively binds to estrogen receptors in various target tissues. With the t`amoxifen molecule bound to this receptor, estrogen is blocked from exerting any action, and an anti-estrogenic effect is achieved. Since many forms of breast cancer are responsive to estrogen, the ability of t`amoxifen citrate to block its action in such cells has proven to be a very effective treatment. It is also utilized successfully as a preventative measure, taken by people with an extremely high familial tendency for breast cancer.