Supplier Page from Thermo Fisher Scientific for 1-Octanesulfonic acid, sodium salt, anhydrous, HPLC grade
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific