Supplier Page from Thermo Fisher Scientific for µb-Propiolactone, 97%
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific