Supplier Page from Thermo Fisher Scientific for Niobium(V) ethoxide, 99.999% (metals basis), Ta <500ppm
Acetylenedicarboxylic acid, 98% from Thermo Fisher Scientific
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific