Supplier Page from Thermo Fisher Scientific for Urea hydrogen peroxide, 1 g tablets, stabilized, contains 35 wt% H2O2
L(+)-Glutamic acid monosodium salt monohydrate, 99% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
L(+)-Prolinol, 95% from Thermo Fisher Scientific
Menthone, 98%, mixture of isomers from Thermo Fisher Scientific