Supplier Page from Thermo Fisher Scientific for 2,3-Dimethyl-1,3-butadiene, 98%, stabilized with BHT
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Gluconic acid, 50 wt% solution in water from Thermo Fisher Scientific