Supplier Page from Thermo Fisher Scientific for Bis(trimethylsilyl)carbodiimide, 97%
D-Cystine, 98% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
Methyl 4-(chloroformyl)butyrate, 98% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific