Supplier Page from Thermo Fisher Scientific for Thymolphthalein
Acetophenone, 98%, pure from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 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