Supplier Page from Thermo Fisher Scientific for Perchloric acid, pure, 0.1M solution in acetic acid
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ergosterol, 98% 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