Supplier Page from Thermo Fisher Scientific for Lead(IV) oxide, Puratronic:r, 99.995% (metals basis)
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific