We are pleased to inform you that this year is the 40th anniversary for COSMOSIL HPLC columns. Please visit our special page to get to know the history of COSMOSIL and see the limited edition premium package.

Special page (Nacalai Tesque, Inc.):
https://www.nacalai.co.jp/global/cosmosil/cosmosil_40th/index.html

Product information:
https://www.nacalaiusa.com/products/2/analytical-sciences