Supplier Page from Thermo Fisher Scientific for Coumarin 314, 99%, pure
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
Maleic acid, 99% from Thermo Fisher Scientific
Sulfur trioxide pyridine complex, technical, 48-50% active SO3 from Thermo Fisher Scientific