Supplier Page from Thermo Fisher Scientific for 4-Amino-3-hydroxy-1-naphthalenesulfonic acid, ACS, 90+%
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific