Supplier Page from Thermo Fisher Scientific for Cyanogen bromide
3-Iodo-L-tyrosine, 97% from Thermo Fisher Scientific
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
Imidazole, 99% from Thermo Fisher Scientific
Sulfur trioxide pyridine complex, technical, 48-50% active SO3 from Thermo Fisher Scientific