Supplier Page from Thermo Fisher Scientific for trans-2-Pentenoic acid, 90+%, remainder other isomers
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific