Supplier Page from Thermo Fisher Scientific for 5-Carboxyfluorescein, single isomer, 97%
L(+)-Glutamic acid monosodium salt monohydrate, 99% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific
Sebacic acid, 98% from Thermo Fisher Scientific
Sulfur trioxide pyridine complex, technical, 48-50% active SO3 from Thermo Fisher Scientific