Supplier Page from Thermo Fisher Scientific for 1,3,5-Trimethyl-1H-pyrazole-4-carboxaldehyde, 98%
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific