Supplier Page from Thermo Fisher Scientific for HEPES Buffer, 0.2M buffer soln., pH 7.4, low endotoxin
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific