Supplier Page from Thermo Fisher Scientific for Naphthalene-2-sulfonic acid sodium salt, 98%, may cont. up to 10% residual inorganic salts and water
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific