Dowex® 50WX2 200-400 (H) is used as a catalyst for selective monotetrahydropyranylation of symmetrical diols and for selective monoesterification of dicarboxylic acids. It is also used to remove calcium from aqueous samples.
Seong Hoon Jeong.; Kinam Park. Drug loading and release properties of ion-exchange resin complexes as a drug delivery matrix. International Journal of Pharmaceutics. 2008, 361 (1), 26-32.
Strongly acidic cation-exchange resin, 2% cross-linked, H+ form, 200-400 mesh (dry).