Supplier Page from Thermo Fisher Scientific for (1S)-(+)-Camphor-10-sulfonic acid, 98+%(dry wt.), water <2%
3-Fluoroaniline, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific