Supplier Page from Thermo Fisher Scientific for 2,2-Diphenyl-1-picrylhydrazyl (free radical), 95%
2-Furoic acid, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Glyoxylic acid monohydrate, 98%, pure from Thermo Fisher Scientific