Supplier Page from Thermo Fisher Scientific for Xylenol orange, sodium salt, ACS reagent
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific