Supplier Page from Thermo Fisher Scientific for N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride, 98+%
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific