Supplier Page from Thermo Fisher Scientific for Scandium(III) oxide, REacton:r, 99.998% (metals basis), REM 50ppm max
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific