Supplier Page from Thermo Fisher Scientific for Barium iodide, ultra dry, 99.995% (metals basis)
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific