Supplier Page from Thermo Fisher Scientific for Polygalacturonic acid, M.W. 25,000-50,000
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Fluoranthene, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific