Synonyms:
4-sulfocalix[4]arene (contains ca.15% water) ; 25,26,27,28-tetrahydroxycalix[4]arene-5,11,17,23-tetrasulfonic acid ; tetrasulfo(tetrahydroxy)calix[4]arene ; calix(4)arene-p-sulfonic acid ; 4-sulfocalix[4]arene hydrate ; 4-sulfocalix[4]arene ; tetrahydroxycalix[4]arenetetrasulfonic acid ; 4-sulfocalix(4)arene 97+% ; p-sulfonatocalix[4]arene ; 4-sulfocalix[4]arene >=97.0% (hplc)