Supplier Page from Thermo Fisher Scientific for D-Sorbitol, 91.0-100.5% (dry basis), Ultrapure, Thermo Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific