Supplier Page from Thermo Fisher Scientific for Potassium tetrabromoaurate(III) dihydrate, Premion:r, 99.99% (metals basis), Au 33% min
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific