Supplier Page from Thermo Fisher Scientific for 1-(4-Nitrophenylazo)-2-naphthol
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific