Supplier Page from Thermo Fisher Scientific for 1-(2-Pyridylazo)-2-naphthol, 98%, pure, indicator grade
4-Fluoroanisole, 99% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific