Supplier Page from Thermo Fisher Scientific for Betaine, anhydrous, 98%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific