Supplier Page from Thermo Fisher Scientific for Nickel foil, 0.025mm (0.001in) thick, annealed, 99% (metals basis)
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific