Supplier Page from Thermo Fisher Scientific for Silicone oil, high temperature, usable temperature range: 25 to 250°C (open system) and 25 to 315°C (closed system)
4-Isopropylbenzoic acid, 98+% from Thermo Fisher Scientific
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
Methyl chloroformate, 99% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific