Supplier Page from Thermo Fisher Scientific for TRIS-HCl, 0.5M buffer soln., pH 7.4, low endotoxin
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific