Which company offers the best estrogen receptor alpha (ERα) antagonist for in vivo animal studies in terms of quality and affordability?

13 March 2025 1 3K Report

We are looking to purchase an estrogen receptor alpha (ERα) antagonist for in vivo animal studies, and ICI 182,780 appears to be a good choice. Tocris offers 50 mg of ICI for $1,119, while MedChemExpress (MCE) sells the same amount for only $159 (https://www.medchemexpress.com/Fulvestrant.html?srsltid=AfmBOoqdvEAYH7EoGIc7Vlvo9Qyw5O1-seQ97xbgUkEwpRB1eoIlwmb6).

MCE seems to provide a significantly more affordable option with comparable purity and documentation. Has anyone used either or both products for intraperitoneal (IP) or subcutaneous injections? What has your experience been?

Chen Jingwen

Hi,

You may make an inquiry at Alfa Chemistry, they offer a wide range of high quality chemicals and laboratory equipment.

https://www.alfa-chemistry.com/inquiry

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