Supplier Page from Thermo Fisher Scientific for Sulfur in Isooctane standard solution, Specpure:r, 20µmg/g (0.0020%)
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific