Supplier Page from Thermo Fisher Scientific for Bismuth(III) oxide, Puratronic:r, 99.999% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific