Supplier Page from Thermo Fisher Scientific for Tri-n-octylphosphine, tech. 90%
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
L-Serine methyl ester hydrochloride, 98% from Thermo Fisher Scientific
Phenylselenol, 98% from Thermo Fisher Scientific
Sulfur trioxide pyridine complex, technical, 48-50% active SO3 from Thermo Fisher Scientific