Supplier Page from Thermo Fisher Scientific for Sodium carbonate, ACS primary standard, 99.95-100.05% (dried basis)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Dotriacontane, 97% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific