Supplier Page from Thermo Fisher Scientific for 1-Heptanesulfonic acid, sodium salt, 98%
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific