Supplier Page from Thermo Fisher Scientific for Thymolphthalein, 0.05% w/v solution in ethanol
2-Methoxybenzyl alcohol, 99% from Thermo Fisher Scientific
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Allopurinol, 98% from Thermo Fisher Scientific
Sebacic acid, 98% from Thermo Fisher Scientific