Supplier Page from Thermo Fisher Scientific for 1-(4-Nitrophenylazo)-2-naphthol
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific