Supplier Page from Thermo Fisher Scientific for Tris(hydroxymethyl)aminomethane, 99.8%, for analysis, biochemical grade
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific