Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.127mm (0.005in) thick, annealed, 99.95% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific