Supplier Page from Thermo Fisher Scientific for Zinc foil, 1.6mm (0.063in) thick, 15x15cm (5.9x5.9in), 99% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific