Supplier Page from Thermo Fisher Scientific for Scandium(III) oxide, REacton:r, 99.998% (metals basis), REM 50ppm max
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific