Supplier Page from Thermo Fisher Scientific for 2,5-Dimethylbenzenesulfonic acid hydrate, 99%
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Glutaryl dichloride, 97% from Thermo Fisher Scientific
Glyoxylic acid monohydrate, 98%, pure from Thermo Fisher Scientific