Supplier Page from Thermo Fisher Scientific for Hafnium(IV) 2,4-pentanedionate, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific